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23 lines
349 B
Bash
Executable File
23 lines
349 B
Bash
Executable File
#!/usr/bin/env bash
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# echo and eval
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set -e
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a=
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while getopts a OPT; do
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case "$OPT" in
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a)
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# Append to file instead of overwriting.
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a=-a
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;;
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?)
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exit 2
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;;
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esac
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done
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shift "$(($OPTIND - 1))"
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cmd="$1"
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outfile="${2:-/dev/null}"
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mkdir -p "$(dirname "$outfile")"
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echo "$cmd" | tee $a "$outfile"
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eval "$cmd"
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exit "$?"
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