dotfiles/bin/remove_last_line.sh

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2023-11-07 20:21:40 -07:00
#!/usr/bin/env bash
if [[ ! -f "$1" ]]; then
cat <<HELP
Removes the tailing new line character in a file
$(basename $0) <file>
HELP
exit 1
fi
declare -r tmp="$(mktemp)"
if [[ "$(tail -c 1 "$1" | wc -l)" = 1 ]]; then
head -c -1 "$1" > "$tmp"
mv -f "$tmp" "$1"
fi