15 lines
280 B
Bash
15 lines
280 B
Bash
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trim() {
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local var
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if (( $# == 0 )) ; then
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var=$(</dev/stdin)
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else
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var="$*"
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fi
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# remove leading whitespace characters
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var="${var#"${var%%[![:space:]]*}"}"
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# remove trailing whitespace characters
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var="${var%"${var##*[![:space:]]}"}"
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printf '%s' "$var"
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}
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