harakit/tests/posix/bin/cat

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#!/bin/sh
# Copyright (c) 2024 Emma Tebibyte <emma@tebibyte.media>
# SPDX-License-Identifier: FSFAP
#
# Copying and distribution of this file, with or without modification, are
# permitted in any medium without royalty provided the copyright notice and this
# notice are preserved. This file is offered as-is, without any warranty.
# Strictly POSIX-compliant cat(1) implementation. See cat(1p)
for arg in "$@"; do
case "$arg" in
-u) args="$(printf '%s %s\n' "$args" "$arg")" ;;
*) args="$(printf -- '%s -i %s\n' "$args" "$arg")" ;;
esac
done
# See IEEE Std 1003.1-2017 3.282
# https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/V1_chap03.html#tag_03_282
IFS=' '
mm $args