From ac422d577c1de1e94620787380932b9ccbd7b10a Mon Sep 17 00:00:00 2001

From: Harald Hoyer <harald@redhat.com>

Date: Fri, 10 Jun 2016 14:31:52 +0200

Subject: [PATCH] base/dracut-lib.sh: add trim()

trim() to remove leading and trailing whitespace

---

 modules.d/99base/dracut-lib.sh | 7 +++++++

 1 file changed, 7 insertions(+)

diff --git a/modules.d/99base/dracut-lib.sh b/modules.d/99base/dracut-lib.sh

index cb1ddd76..71dcedcf 100755

--- a/modules.d/99base/dracut-lib.sh

+++ b/modules.d/99base/dracut-lib.sh

@@ -39,6 +39,13 @@ str_ends() {

     [ "${1%*$2}" != "$1" ]

 }

+trim() {

+    local var="$*"

+    var="${var#"${var%%[![:space:]]*}"}"   # remove leading whitespace characters

+    var="${var%"${var##*[![:space:]]}"}"   # remove trailing whitespace characters

+    echo -n "$var"

+}

+

 if [ -z "$DRACUT_SYSTEMD" ]; then

     warn() {