596 lines
18 KiB
Bash
Executable File
596 lines
18 KiB
Bash
Executable File
#!/usr/bin/env sh
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# Fasd (this file) can be sourced or executed by any POSIX compatible shell.
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# Fasd is originally written based on code from z (https://github.com/rupa/z)
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# by rupa deadwyler under the WTFPL license. Most if not all of the code has
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# been rewritten.
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# Copyright (C) 2011, 2012 by Wei Dai. All rights reserved.
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#
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# Permission is hereby granted, free of charge, to any person obtaining
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# a copy of this software and associated documentation files (the
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# "Software"), to deal in the Software without restriction, including
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# without limitation the rights to use, copy, modify, merge, publish,
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# distribute, sublicense, and/or sell copies of the Software, and to
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# permit persons to whom the Software is furnished to do so, subject to
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# the following conditions:
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#
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# The above copyright notice and this permission notice shall be included
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# in all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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# IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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# CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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# TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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fasd() {
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case "$1" in
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--init)
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shift
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while [ "$1" ]; do
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case $1 in
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env)
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{ # source rc files if present
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[ -s "/etc/fasdrc" ] && . "/etc/fasdrc"
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[ -s "$HOME/.fasdrc" ] && . "$HOME/.fasdrc"
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# set default options
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[ -z "$_FASD_DATA" ] && _FASD_DATA="$HOME/.fasd"
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[ -z "$_FASD_BLACKLIST" ] && _FASD_BLACKLIST="--help"
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[ -z "$_FASD_SHIFT" ] && _FASD_SHIFT="sudo busybox"
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[ -z "$_FASD_IGNORE" ] && _FASD_IGNORE="fasd cd ls echo"
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[ -z "$_FASD_SINK" ] && _FASD_SINK=/dev/null
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[ -z "$_FASD_TRACK_PWD" ] && _FASD_TRACK_PWD=1
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[ -z "$_FASD_MAX" ] && _FASD_MAX=2000
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[ -z "$_FASD_BACKENDS" ] && _FASD_BACKENDS=native
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if [ -z "$_FASD_AWK" ]; then
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# awk preferences
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local awk; for awk in mawk gawk original-awk nawk awk; do
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$awk "" && _FASD_AWK=$awk && break
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done
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fi
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} >> "${_FASD_SINK:-/dev/null}" 2>&1
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;;
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auto) cat <<EOS
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{ if compctl; then # zsh
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eval "\$(fasd --init posix-alias zsh-hook zsh-ccomp zsh-ccomp-install \
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zsh-wcomp zsh-wcomp-install)"
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elif complete; then # bash
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eval "\$(fasd --init posix-alias bash-hook bash-ccomp bash-ccomp-install)"
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else # posix shell
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eval "\$(fasd --init posix-alias posix-hook)"
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fi
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} >> "$_FASD_SINK" 2>&1
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EOS
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;;
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posix-alias) cat <<EOS
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alias a='fasd -a'
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alias s='fasd -si'
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alias sd='fasd -sid'
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alias sf='fasd -sif'
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alias d='fasd -d'
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alias f='fasd -f'
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# function to execute built-in cd
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fasd_cd() { [ \$# -gt 1 ] && cd "\$(fasd -e echo "\$@")" || fasd "\$@"; }
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alias z='fasd_cd -d'
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EOS
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;;
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zsh-hook) cat <<EOS
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# add zsh hook
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_fasd_preexec() {
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{ eval "fasd --proc \$(fasd --sanitize \$3)"; } >> "$_FASD_SINK" 2>&1
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}
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autoload -U add-zsh-hook
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add-zsh-hook preexec _fasd_preexec
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EOS
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;;
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bash-hook) cat <<EOS
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# add bash hook
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echo \$PROMPT_COMMAND | grep -v -q "fasd --proc" && \
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PROMPT_COMMAND='eval "fasd --proc \$(fasd --sanitize \$(history 1 | \
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sed -e "s/^[ ]*[0-9]*[ ]*//"))" >> "$_FASD_SINK" 2>&1;'"\$PROMPT_COMMAND"
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EOS
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;;
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posix-hook) cat <<EOS
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_fasd_ps1_func() {
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{ eval "fasd --proc \$(fasd --sanitize \
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\$(fc -nl -0 | sed -n '\$s/\s*\(.*\)/\1/p'))"; } >> "$_FASD_SINK" 2>&1
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}
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echo "\$PS1" | grep -v -q "_fasd_ps1_func" && \
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export PS1="\\\$(_fasd_ps1_func)\$PS1"
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EOS
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;;
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zsh-ccomp) cat <<EOS
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# zsh command mode completion
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_fasd_zsh_cmd_complete() {
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local compl
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read -c compl
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compstate[insert]=menu # no expand
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reply=(\${(f)"\$(fasd --complete "\$compl")"})
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}
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EOS
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;;
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zsh-wcomp) cat <<EOS
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# zsh word mode completion
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_fasd_zsh_word_complete() {
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[ "\$2" ] && local _fasd_cur="\$2"
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[ -z "\$_fasd_cur" ] && local _fasd_cur="\${words[CURRENT]}"
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local fnd="\${_fasd_cur//,/ }"
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local typ=\${1:-e}
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fasd --query \$typ \$fnd | sort -nr | sed 's/^[0-9.]*[ ]*//' | \
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while read line; do
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compadd -U -V fasd "\$line"
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done
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compstate[insert]=menu # no expand
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}
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_fasd_zsh_word_complete_f() { _fasd_zsh_word_complete f ; }
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_fasd_zsh_word_complete_d() { _fasd_zsh_word_complete d ; }
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_fasd_zsh_word_complete_trigger() {
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local _fasd_cur="\${words[CURRENT]}"
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eval \$(fasd --word-complete-trigger _fasd_zsh_word_complete \$_fasd_cur)
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}
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# define zle widgets
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zle -C fasd-complete 'menu-select' _fasd_zsh_word_complete
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zle -C fasd-complete-f 'menu-select' _fasd_zsh_word_complete_f
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zle -C fasd-complete-d 'menu-select' _fasd_zsh_word_complete_d
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EOS
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;;
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zsh-ccomp-install) cat <<EOS
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# enbale command mode completion
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compctl -U -K _fasd_zsh_cmd_complete -V fasd -x 'C[-1,-*e],s[-]n[1,e]' -c - \
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'c[-1,-A][-1,-D]' -f -- fasd fasd_cd
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EOS
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;;
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zsh-wcomp-install) cat <<EOS
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# enable word mode completion
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zstyle ':completion:*' completer _complete _ignored \
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_fasd_zsh_word_complete_trigger
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EOS
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;;
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bash-ccomp) cat <<EOS
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# bash command mode completion
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_fasd_bash_cmd_complete() {
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# complete command after "-e"
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local cur=\${COMP_WORDS[COMP_CWORD]}
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[[ \${COMP_WORDS[COMP_CWORD-1]} == -*e ]] && \
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COMPREPLY=( \$(compgen -A command \$cur) ) && return
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# complete using default readline complete after "-A" or "-D"
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case \${COMP_WORDS[COMP_CWORD-1]} in
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-A|-D) COMPREPLY=( \$(compgen -o default \$cur) ) && return
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esac
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# get completion results using expanded aliases
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local RESULT=\$( fasd -q --complete "\$(alias -p \$COMP_WORDS \
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2>> "$_FASD_SINK" | sed -n "\\\$s/^.*'\(.*\)'/\1/p") \${COMP_LINE#* }" )
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IFS=\$'\n' COMPREPLY=( \$RESULT )
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}
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_fasd_bash_hook_cmd_complete() {
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for cmd in \$*; do
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complete -F _fasd_bash_cmd_complete \$cmd
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done
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}
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EOS
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;;
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bash-wcomp) cat <<EOS
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# bash word mode completion
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_fasd_bash_word_complete() {
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[ "\$2" ] && local _fasd_cur="\$2"
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[ "\$_fasd_cur" ] || local _fasd_cur="\${COMP_WORDS[COMP_CWORD]}"
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local typ=\${1:-e}
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local fnd="\${_fasd_cur//,/ }"
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local RESULT=\$(fasd -q --query \$typ \$fnd | sed 's/^[0-9.]*[ ]*//')
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IFS=\$'\n' COMPREPLY=( \$RESULT )
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} >> "$_FASD_SINK" 2>&1
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_fasd_bash_word_complete_trigger() {
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[ "\$_fasd_cur" ] || local _fasd_cur="\${COMP_WORDS[COMP_CWORD]}"
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eval "\$(fasd --word-complete-trigger _fasd_bash_word_complete \$_fasd_cur)"
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} >> "$_FASD_SINK" 2>&1
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_fasd_bash_word_complete_wrap() {
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local _fasd_cur="\${COMP_WORDS[COMP_CWORD]}"
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_fasd_bash_word_complete_trigger
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local z=\${COMP_WORDS[0]}
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# try original comp func
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[ "\$COMPREPLY" ] || eval "\$( echo "\$_FASD_BASH_COMPLETE_P" | \
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sed -n "/ \$z\$/"'s/.*-F \(.*\) .*/\1/p' )"
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# fall back on original complete options
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local cmd="\$(echo "\$_FASD_BASH_COMPLETE_P" | \
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sed -n "/ \$z\$/"'s/complete/compgen/') \$_fasd_cur"
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[ "\$COMPREPLY" ] || COMPREPLY=( \$(eval \$cmd) )
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} >> "$_FASD_SINK" 2>&1
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EOS
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;;
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bash-ccomp-install) cat <<EOS
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# enable bash command mode completion
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_fasd_bash_hook_cmd_complete fasd a s d f sd sf z
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EOS
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;;
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bash-wcomp-install) cat <<EOS
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_FASD_BASH_COMPLETE_P="\$(complete -p)"
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for cmd in \$(complete -p | awk '{print \$NF}' | tr '\n' ' '); do
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complete -o default -o bashdefault -F _fasd_bash_word_complete_wrap \$cmd
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done
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# enable word mode completion as default completion
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complete -o default -o bashdefault -D -F _fasd_bash_word_complete_trigger \
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>> "$_FASD_SINK" 2>&1
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EOS
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;;
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esac; shift
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done
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;;
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--init-alias)
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fasd --init posix-alias
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;;
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--init-zsh)
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fasd --init zsh-hook zsh-ccomp zsh-ccomp-install zsh-wcomp zsh-wcomp-install
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;;
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--init-bash)
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fasd --init bash-hook bash-ccomp bash-ccomp-install
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;;
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--init-posix)
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fasd --init posix-hook
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;;
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# if "$_fasd_cur" is a query, then eval all the arguments
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--word-complete-trigger)
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shift; [ "$2" ] && local _fasd_cur="$2" || return
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case "$_fasd_cur" in
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,*) echo "$1" e "$_fasd_cur";;
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f,*) echo "$1" f "${_fasd_cur#?}";;
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d,*) echo "$1" d "${_fasd_cur#?}";;
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*,,) echo "$1" e "$_fasd_cur";;
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*,,f) echo "$1" f "${_fasd_cur%?}";;
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*,,d) echo "$1" d "${_fasd_cur%?}";;
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esac
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;;
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--sanitize)
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shift; echo "$@" | \
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sed 's/\([^\]\)$([^ ]*\([^)]*\)))*/\1\2/g;s/\([^\]\)[|&;<>$`]\{1,\}/\1 /g'
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;;
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--proc) shift # process commands
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# stop if we don't own ~/.fasd (we're another user but our ENV is still set)
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[ -f "$_FASD_DATA" -a ! -O "$_FASD_DATA" ] && return
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# make zsh do word splitting for the for loop to work
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[ "$ZSH_VERSION" ] && emulate sh && setopt localoptions
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# blacklists
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local each; for each in $_FASD_BLACKLIST; do
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case " $* " in *\ $each\ *) return;; esac
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done
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# shifts
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while true; do
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case " $_FASD_SHIFT " in
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*\ $1\ *) shift;;
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*) break
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esac
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done
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# ignores
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case " $_FASD_IGNORE " in
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*\ $1\ *) return
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esac
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shift; fasd --add "$@" # add all arguments except command
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;;
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--add|-A) shift # add entries
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# find all valid path arguments, convert them to simplest absolute form
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local paths="$(while [ "$1" ]; do
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[ -e "$1" ] && echo "$1"; shift
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done | sed '/^[^/]/s@^@'"$PWD"'/@
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s@/\.\.$@/\.\./@;s@/\(\./\)\{1,\}@/@g;: 0;s@[^/][^/]*//*\.\./@/@;t 0
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s@^/*\.\./@/@;s@//*@/@g;s@/\.\{0,1\}$@@;s@^$@/@' | tr '\n' '|')"
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# add current pwd if the option is set
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[ "$_FASD_TRACK_PWD" = "1" -a "$PWD" != "$HOME" ] && paths="$paths|$PWD"
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[ -z "${paths##\|}" ] && return # stop if we have nothing to add
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# maintain the file
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local tempfile
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tempfile="$(mktemp "$_FASD_DATA".XXXXXX)" || return
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$_FASD_AWK -v list="$paths" -v now="$(date +%s)" -v max="$_FASD_MAX" -F"|" '
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BEGIN {
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split(list, files, "|")
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for(i in files) {
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path = files[i]
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if(path == "") continue
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paths[path] = path # array for checking
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rank[path] = 1
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time[path] = now
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}
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}
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$2 >= 1 {
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if($1 in paths) {
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rank[$1] = $2 + 1
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time[$1] = now
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} else {
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rank[$1] = $2
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time[$1] = $3
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}
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count += $2
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}
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END {
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if(count > max)
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for(i in rank) print i "|" 0.9*rank[i] "|" time[i] # aging
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else
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for(i in rank) print i "|" rank[i] "|" time[i]
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}' "$_FASD_DATA" 2>> "$_FASD_SINK" >| "$tempfile"
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if [ $? -ne 0 -a -f "$_FASD_DATA" ]; then
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env rm -f "$tempfile"
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else
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env mv -f "$tempfile" "$_FASD_DATA"
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fi
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;;
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--delete|-D) shift # delete entries
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# turn valid arguments into entry-deleting sed commands
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local sed_cmd="$(while [ "$1" ]; do echo "$1"; shift; done | \
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sed '/^[^/]/s@^@'"$PWD"'/@;s@/\.\.$@/\.\./@;s@/\(\./\)\{1,\}@/@g
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: 0;s@[^/][^/]*//*\.\./@/@;t 0;s@^/*\.\./@/@;s@//*@/@g;s@/\.\{0,1\}$@@
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s@^$@/@;s@\([.[/*^$]\)@\\\1@g;s@^\(.*\)$@/^\1|/d@')"
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# maintain the file
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local tempfile
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tempfile="$(mktemp "$_FASD_DATA".XXXXXX)" || return
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sed -e "$sed_cmd" "$_FASD_DATA" 2>> "$_FASD_SINK" >| "$tempfile"
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if [ $? -ne 0 -a -f "$_FASD_DATA" ]; then
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env rm -f "$tempfile"
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else
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env mv -f "$tempfile" "$_FASD_DATA"
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fi
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;;
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--query) shift # query the db, --query [$typ ["$fnd" [$mode [$quote]]]]
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[ -f "$_FASD_DATA" ] || return # no db yet
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[ "$1" ] && local typ="$1"
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[ "$2" ] && local fnd="$2"
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[ "$3" ] && local mode="$3"
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[ "$4" ] && local quote="$4"
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[ "$quote" ] && local qts='"\""' || local qts=
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# make zsh do word spliting for the for loop to work
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[ "$ZSH_VERSION" ] && emulate sh && setopt localoptions
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# cat all backends
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local each _fasd_data; for each in $_FASD_BACKENDS; do
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_fasd_data="$_fasd_data
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$(fasd --backend $each)"
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done
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[ "$_fasd_data" ] || _fasd_data="$(cat "$_FASD_DATA")"
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# set mode specific code for calculating the prior
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case $mode in
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rank) local prior='times[i]';;
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recent) local prior='sqrt(100000/(1+t-la[i]))';;
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*) local prior='times[i] * frecent(la[i])';;
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esac
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# query the database
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echo "$_fasd_data" | while read line; do
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[ -${typ:-e} "${line%%\|*}" ] && echo "$line"
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done | $_FASD_AWK -v t="$(date +%s)" -v q="$fnd" -F"|" '
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function frecent(time) {
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dx = t-time
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if( dx < 3600 ) return 6
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if( dx < 86400 ) return 4
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if( dx < 604800 ) return 2
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return 1
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}
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function likelihood(pattern, path) {
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m = gsub("/+", "/", path)
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r = 1
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for(i in pattern) {
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tmp = path
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gsub(".*" pattern[i], "", tmp)
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n = gsub("/+", "/", tmp)
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if(n == m)
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return 0
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else if(n == 0)
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r *= 20 # F
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else
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r *= 1 - (n / m)
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}
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return r
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}
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BEGIN {
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split(q, pattern, " ")
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for(i in pattern) pattern_lower[i] = tolower(pattern[i]) # nocase
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}
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{
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if(!wcase[$1]) {
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times[$1] = $2
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la[$1] = $3
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wcase[$1] = likelihood(pattern, $1)
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if(!cx) nocase[$1] = likelihood(pattern_lower, tolower($1))
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} else {
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times[$1] += $2
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if($3 > la[$1]) la[$1] = $3
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}
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cx = cx || wcase[$1]
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ncx = ncx || nocase[$1]
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|
}
|
|
END {
|
|
if(cx) {
|
|
for(i in wcase) {
|
|
if(wcase[i])
|
|
printf "%-10s %s\n", '"$prior"' * wcase[i], '"$qts"' i '"$qts"'
|
|
}
|
|
} else if(ncx) {
|
|
for(i in nocase) {
|
|
if(nocase[i])
|
|
printf "%-10s %s\n", '"$prior"' * nocase[i], '"$qts"' i '"$qts"'
|
|
}
|
|
}
|
|
}' - 2>> "$_FASD_SINK"
|
|
;;
|
|
|
|
--backend)
|
|
case $2 in
|
|
native) cat "$_FASD_DATA";;
|
|
viminfo)
|
|
local t="$(date +%s)"
|
|
< "$HOME/.viminfo" sed -n '/^>/{s@~@'"$HOME"'@;p}' | \
|
|
while IFS=" " read line; do
|
|
t=$((t-60)); echo "${line#??}|1|$t"
|
|
done
|
|
;;
|
|
recently-used)
|
|
tr -d '\n' < "$HOME/.local/share/recently-used.xbel" | \
|
|
sed 's@file:/@\n@g;s@count="@\n@g' | sed '1d;s/".*$//' | \
|
|
tr '\n' '|' | sed 's@|/@\n@g' | $_FASD_AWK -F'|' '{
|
|
sum = 0
|
|
for( i=2; i<=NF; i++ ) sum += $i
|
|
print $1 "|" sum
|
|
}'
|
|
;;
|
|
*) eval "$2";;
|
|
esac
|
|
;;
|
|
|
|
*) # parsing logic and processing
|
|
local fnd last _FASD_BACKENDS="$_FASD_BACKENDS" _fasd_data
|
|
while [ "$1" ]; do case "$1" in
|
|
--complete) [ "$2" = "--" ] && shift; set -- $(echo $2); local lst=1 r=r;;
|
|
--query|--add|--delete|-A|-D) fasd "$@"; return $?;;
|
|
--version) echo "0.5.4"; return 0;;
|
|
--) while [ "$2" ]; do shift; fnd="$fnd$1 "; last="$1"; done;;
|
|
-*) local o="${1#-}"; while [ "$o" ]; do case "$o" in
|
|
s*) local show=1;;
|
|
l*) local lst=1;;
|
|
i*) local interactive=1 show=1;;
|
|
r*) local mode=rank;;
|
|
t*) local mode=recent;;
|
|
e*) o="${o#?}"; if [ "$o" ]; then # there are characters after "-e"
|
|
local exec="$o" # anything after "-e"
|
|
else # use the next argument
|
|
local exec="${2:?"-e: Argument needed "}"
|
|
shift
|
|
fi; break;;
|
|
b*) o="${o#?}"; if [ "$o" ]; then
|
|
_FASD_BACKENDS="$o"
|
|
else
|
|
_FASD_BACKENDS="${2:?"-b: Argument needed"}"
|
|
shift
|
|
fi; break;;
|
|
B*) o="${o#?}"; if [ "$o" ]; then
|
|
_FASD_BACKENDS="$_FASD_BACKENDS $o"
|
|
else
|
|
_FASD_BACKENDS="$_FASD_BACKENDS ${2:?"-B: Argument needed"}"
|
|
shift
|
|
fi; break;;
|
|
a*) local typ=e;;
|
|
d*) local typ=d;;
|
|
f*) local typ=f;;
|
|
q*) local quote=1;;
|
|
h*) echo "fasd [options] [query ...]
|
|
[f|a|s|d|z] [opions] [query ...]
|
|
options:
|
|
-s show list of files with their ranks
|
|
-l list paths only
|
|
-i interactive mode
|
|
-e <cmd> set command to execute on the result file
|
|
-b <name> only use <name> backend
|
|
-b <name> add additional backend <name>
|
|
-a match files and directories
|
|
-d match directories only
|
|
-f match files only
|
|
-r match by rank only
|
|
-t match by recent access only
|
|
-h show a brief help message
|
|
|
|
fasd [-A|-D] [paths ...]
|
|
-A add paths
|
|
-D delete paths" >&2; return;;
|
|
esac; o="${o#?}"; done;;
|
|
*) fnd="$fnd $1"; last="$1";;
|
|
esac; shift; done
|
|
|
|
# if we hit enter on a completion just execute
|
|
case "$last" in
|
|
# completions will always start with /
|
|
/*) [ -z "$show$lst" -a -${typ:-e} "$last" -a "$exec" ] \
|
|
&& eval $exec "\"$last\"" && return;;
|
|
esac
|
|
|
|
local result
|
|
result="$(fasd --query 2>> "$_FASD_SINK")" # query the database
|
|
[ $? -gt 0 ] && return
|
|
if [ "$interactive" ] || [ "$exec" -a -z "$fnd$lst$show" -a -t 1 ]; then
|
|
result="$(echo "$result" | sort -nr)"
|
|
echo "$result" | sed = | sed 'N;s/\n/ /' | sort -nr >&2; printf "> " >&2
|
|
local i; read i; [ 0 -lt "${i:-0}" ] 2>> "$_FASD_SINK" || return 1
|
|
result="$(echo "$result" | sed -n "${i:-1}"'s/^[0-9.]*[ ]*//p')"
|
|
if [ "$result" ]; then
|
|
fasd --add "$result"; eval ${exec:-echo} "\"$result\""
|
|
fi
|
|
elif [ "$lst" ]; then
|
|
echo "$result" | sort -n${r} | sed 's/^[0-9.]*[ ]*//'
|
|
elif [ "$show" ]; then
|
|
echo "$result" | sort -n
|
|
elif [ "$fnd" -a "$exec" ]; then # exec
|
|
result="$(echo "$result" | sort -n | sed -n '$s/^[0-9.]*[ ]*//p')"
|
|
fasd --add "$result"; eval $exec "\"$result\""
|
|
elif [ "$fnd" -a ! -t 1 ]; then # echo if output is not terminal
|
|
result="$(echo "$result" | sort -n | sed -n '$s/^[0-9.]*[ ]*//p')"
|
|
fasd --add "$result"; echo "$result"
|
|
else # no args, show
|
|
echo "$result" | sort -n
|
|
fi
|
|
|
|
esac
|
|
}
|
|
|
|
fasd --init env
|
|
|
|
case $- in
|
|
*i*) ;; # assume being sourced, do nothing
|
|
*) # assume being executed as an executable
|
|
if [ -x "$_FASD_SHELL" -a -z "$_FASD_SET" ]; then
|
|
_FASD_SET=1 exec $_FASD_SHELL "$0" "$@"
|
|
else
|
|
fasd "$@"
|
|
fi
|
|
esac
|
|
|