28 lines
361 B
Bash
Executable File
28 lines
361 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##*/} [OPTIONS] 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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Options:
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-i: If files are provided, convert them in-place.
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EOF
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exit
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fi
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unset OPT
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if [ "$1" = "-i" ]; then
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OPT=-i
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shift
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fi
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VAR="$1"
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shift
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sed $OPT "1i$VAR" "$@"
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