17 lines
273 B
Bash
Executable file
17 lines
273 B
Bash
Executable file
#!/usr/bin/env bash
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if [[ ! -f "$1" ]]; then
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cat <<HELP
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Removes the tailing new line character in a file
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$(basename $0) <file>
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HELP
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exit 1
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fi
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declare -r tmp="$(mktemp)"
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if [[ "$(tail -c 1 "$1" | wc -l)" = 1 ]]; then
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head -c -1 "$1" > "$tmp"
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mv -f "$tmp" "$1"
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fi
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