svn merge -r3389:3974 https://scst.svn.sourceforge.net/svnroot/scst/trunk/scripts

git-svn-id: http://svn.code.sf.net/p/scst/svn/branches/2.1.0.x@3975 d57e44dd-8a1f-0410-8b47-8ef2f437770f

scripts/kernel-version

@@ -0,0 +1,21 @@
+# -*- mode: shell-script -*-
+# Shell functions for parsing the Linux kernel version.
+
+# Kernel version number.
+function kernel_version {
+  if [ "${1#2.}" != "$1" ]; then
+    echo "$1" | sed -n 's/^\([0-9]*\.[0-9]*\.[0-9]*\).*$/\1/p'
+  else
+    echo "$1" | sed -n 's/^\([0-9]*\.[0-9]*\).*$/\1/p'
+  fi
+}
+
+# Last component of the kernel version, or the empty string if $1 does
+# not contain a patchlevel.
+function patchlevel {
+  if [ "${1#2.}" != "$1" ]; then
+    echo "$1" | sed -n 's/^\([0-9]*\.[0-9]*\.[0-9]*\)[.-]\(.*\)$/\2/p'
+  else
+    echo "$1" | sed -n 's/^\([0-9]*\.[0-9]*\)[.-]\(.*\)$/\2/p'
+  fi
+}