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29 lines
849 B
29 lines
849 B
6 years ago
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From ac422d577c1de1e94620787380932b9ccbd7b10a Mon Sep 17 00:00:00 2001
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From: Harald Hoyer <harald@redhat.com>
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Date: Fri, 10 Jun 2016 14:31:52 +0200
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Subject: [PATCH] base/dracut-lib.sh: add trim()
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trim() to remove leading and trailing whitespace
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---
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modules.d/99base/dracut-lib.sh | 7 +++++++
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1 file changed, 7 insertions(+)
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diff --git a/modules.d/99base/dracut-lib.sh b/modules.d/99base/dracut-lib.sh
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index cb1ddd76..71dcedcf 100755
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--- a/modules.d/99base/dracut-lib.sh
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+++ b/modules.d/99base/dracut-lib.sh
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@@ -39,6 +39,13 @@ str_ends() {
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[ "${1%*$2}" != "$1" ]
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}
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+trim() {
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+ local var="$*"
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+ var="${var#"${var%%[![:space:]]*}"}" # remove leading whitespace characters
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+ var="${var%"${var##*[![:space:]]}"}" # remove trailing whitespace characters
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+ echo -n "$var"
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+}
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+
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if [ -z "$DRACUT_SYSTEMD" ]; then
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warn() {
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