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Add tailing-newline-removal script

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This commit is contained in:
Akemi Izuko 2023-12-23 20:14:19 -07:00
parent d9e00d5e63
commit ad005f402b
Signed by: akemi
GPG key ID: 8DE0764E1809E9FC
1 changed files with 16 additions and 0 deletions
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16
bin/remove_last_line.sh Executable file
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@ -0,0 +1,16 @@
#!/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