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22 lines
365 B
22 lines
365 B
#!/bin/sh
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set -e
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usage() {
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echo "usage: $0 [-h] [CMD...]" >&2
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}
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while getopts h opt; do
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case "$opt" in
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h) usage; exit 0;;
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?) usage; exit 255;;
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esac
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done
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shift $(($OPTIND-1))
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while read -r line; do
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for cmd; do
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read -r value
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line="$(printf "%s\n%s\n" "$value" "$line" | eval "$cmd")"
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done
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printf "%s\n" "$line"
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done
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