20 lines
300 B
Bash
Executable File
20 lines
300 B
Bash
Executable File
#!/bin/sh
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if [ $# -eq 0 ] || [ "$1" = "-h" ]; then
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cat <<EOF
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Usage: ${0##*/} STRING [FILES]
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Prepend STRING to FILES or stdin if unspecified. STRING may not contain pipes
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('|').
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EOF
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exit
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fi
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VAR="$1"
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shift
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[ $# -eq 0 ] && OPT_INPLACE="" || OPT_INPLACE="-i"
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sed $OPT_INPLACE "1i$VAR" "$@"
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