home/files/bin/colorize

#!/bin/sh

exec 2>&1

tmp_f=
if [ $# -eq 0 ]; then
	tmp_f="${TMPDIR:-/tmp}/colorize.$$"

	trap "rm -f '$tmp_f'" INT TERM

	cat > "$tmp_f"
	set -- "$tmp_f"
fi

if [ -t 1 ]; then
	if env | grep -q ^PAGER=; then
		if [ -z "$PAGER" ]; then
			PAGER=cat
		fi
	else
		PAGER="less -R"
	fi
else
	PAGER=cat
fi

for f; do
	l=
	eval t=$(file -i - < "$f" | cut -d' ' -f2-)
	case "$t" in
		application/xml)
			l=xml
			;;
		text/x-shellscript)
			l=sh
			;;
	esac

	pygmentize ${l:+-l $l} "$f"
done | $PAGER

if [ -n "$tmp_f" ]; then
	rm -f "$tmp_f"
fi