summaryrefslogtreecommitdiffstats
path: root/system-build/functions/aliases.sh
blob: 3df028f61535dfde4cf8b4a008d2d5c4a1d904b7 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
#!/bin/sh

## live-build(7) - System Build Scripts
## Copyright (C) 2006-2015 Daniel Baumann <mail@daniel-baumann.ch>
##
## This program comes with ABSOLUTELY NO WARRANTY; for details see COPYING.
## This is free software, and you are welcome to redistribute it
## under certain conditions; see COPYING for details.


Find_files ()
{
	(ls "${@}" | grep -qs .) > /dev/null 2>&1
}

In_list ()
{
	NEEDLES="${1}"
	shift

	for ITEM in ${@}
	do
		for NEEDLE in ${NEEDLES}
		do
			if [ "${NEEDLE}" = "${ITEM}" ]
			then
				return 0
			fi
		done
	done

	return 1
}

Truncate ()
{
	for FILE in ${@}
	do
		if [ ! -L ${FILE} ]
		then
			: > ${FILE}
		fi
	done
}