fix bug that kexec can't get running pod due to preceding for 'wc -l'

zsh/0001_core.zsh

@@ -0,0 +1,14 @@
+trim() {
+  local var
+  if (( $# == 0 )) ; then
+    var=$(</dev/stdin)
+  else
+    var="$*"
+  fi
+
+  # remove leading whitespace characters
+  var="${var#"${var%%[![:space:]]*}"}"
+  # remove trailing whitespace characters
+  var="${var%"${var##*[![:space:]]}"}"
+  printf '%s' "$var"
+}

zsh/aliases.zsh

@@ -264,4 +264,4 @@ alias yarn_sass="SASS_BINARY_SITE=https://npm.taobao.org/mirrors/node-sass/ yarn
 alias vim="nvim"
 
 ## source files
-alias ss="source ~/.yadr/zsh/functions.zsh; source ~/.yadr/zsh/aliases.zsh"
+alias ss="source ~/.zshrc"

zsh/k8s.zsh

@@ -39,7 +39,7 @@ function getpod {
       break
     fi
     RUNNING_PODS=($(echo $ALL_PODS | egrep "$PROJECT.* ?[1-9]/[0-9]? *Running" | awk '{print $1}'))
-    if [[ `echo $ALL_PODS | wc -l` != ${#RUNNING_PODS[@]} ]]; then
+    if [[ `echo $ALL_PODS | wc -l | trim` != ${#RUNNING_PODS[@]} ]]; then
       sleep 2
       echo $fg[red]'Pods are not ready, wait...'$reset_color
       continue