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From 6656e1547f875253d1499bcd06ae0f6440a087c6 Mon Sep 17 00:00:00 2001
From: Harald Hoyer <harald@redhat.com>
Date: Wed, 25 May 2016 14:49:34 +0200
Subject: [PATCH] dracut-functions.sh: add str_starts() and str_ends()
---
dracut-functions.sh | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/dracut-functions.sh b/dracut-functions.sh
index d71ff676..4a9729c7 100755
--- a/dracut-functions.sh
+++ b/dracut-functions.sh
@@ -29,6 +29,10 @@ fi
# Generic substring function. If $2 is in $1, return 0.
strstr() { [[ $1 = *$2* ]]; }
+# returns OK if $1 contains literal string $2 at the beginning, and isn't empty
+str_starts() { [ "${1#"$2"*}" != "$1" ]; }
+# returns OK if $1 contains literal string $2 at the end, and isn't empty
+str_ends() { [ "${1%*"$2"}" != "$1" ]; }
# helper function for check() in module-setup.sh
# to check for required installed binaries