1 files changed, 35 insertions, 0 deletions
diff --git a/conftools/get-version.sh b/conftools/get-version.sh
new file mode 100755
index 0000000..2592f10
--- /dev/null
+++ b/conftools/get-version.sh
@@ -0,0 +1,35 @@
+#!/bin/sh
+#
+# USAGE: get-version.sh path/to/expat.h
+#
+# This script will print Expat's version number on stdout. For example:
+#
+#   $ ./conftools/get-version.sh ./lib/expat.h
+#   1.95.3
+#   $
+#
+
+if test $# = 0; then
+  echo "ERROR: pathname for expat.h was not provided."
+  echo ""
+  echo "USAGE: $0 path/to/expat.h"
+  exit 1
+fi
+if test $# != 1; then
+  echo "ERROR: too many arguments were provided."
+  echo ""
+  echo "USAGE: $0 path/to/expat.h"
+  exit 1
+fi
+
+hdr="$1"
+if test ! -r "$hdr"; then
+  echo "ERROR: '$hdr' does not exist, or is not readable."
+  exit 1
+fi
+
+MAJOR_VERSION=$(sed -n -e '/MAJOR_VERSION/s/[^0-9]*//gp' "$hdr")
+MINOR_VERSION=$(sed -n -e '/MINOR_VERSION/s/[^0-9]*//gp' "$hdr")
+MICRO_VERSION=$(sed -n -e '/MICRO_VERSION/s/[^0-9]*//gp' "$hdr")
+
+printf '%s.%s.%s' "$MAJOR_VERSION" "$MINOR_VERSION" "$MICRO_VERSION"