adding a bash getopts template

diff --git a/bash/getopts-template.sh b/bash/getopts-template.sh
new file mode 100644 (file)
index 0000000..b7f85b7
--- /dev/null
+++ b/bash/getopts-template.sh
@@ -0,0 +1,51 @@
+#!/bin/bash
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the COMMON DEVELOPMENT AND DISTRIBUTION LICENSE
+#
+# You should have received a copy of the
+# COMMON DEVELOPMENT AND DISTRIBUTION LICENSE (CDDL) Version 1.0
+# along with this program.  If not, see http://www.sun.com/cddl/cddl.html
+#
+# 2023 http://www.bananas-playground.net
+
+# this is a small example how to use getops in bash
+
+SELF=`basename "$0"`
+
+Help() {
+   # Display Help
+   echo "Syntax: ${SELF} [-n|h|v|V]"
+   echo "Available ptions are:"
+   echo "-n    Input your name."
+   echo "-h    Print this Help."
+   echo "-v    Verbose mode."
+   echo "-V    Print software version and exit."
+   echo
+}
+
+VERBOSE="false"
+NAME=""
+
+while getopts "hvVn:" option ; do
+       case $option in
+               h) Help 
+                       exit;;
+               v) VERBOSE="true" ;;
+               V) echo "Version 1.0"
+                       exit;;
+               n) NAME=$OPTARG ;;
+
+               ?) # Invalid option
+                       Help
+                       exit;;
+       esac
+done
+
+if [[ -z "$NAME" ]] ; then
+       echo 'Missing -n' >&2
+       exit 1
+fi
+
+
+echo "${NAME}"
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