checkinst : new script to check if newer scripts are available

Useful/checkinst

@@ -0,0 +1,61 @@
+#!/bin/bash
+
+# Display functions
+function check_out
+{
+	echo "[checkinst] $1"
+}
+function check_fatal
+{
+	check_out "FATAL : $1"
+}
+
+# Variables
+out_target='/usr/local/bin/'
+in_source='./'
+
+# Process arguments
+while [ $# -gt 0 ]
+do
+	case $1 in
+        '--help' | '-h')
+                check_out "usage : $0 [options]"
+                check_out 'Used to check if newer scripts are available.'
+                check_out '-h | --help : display this help'
+                check_out '-o | --out <directory> : current local installed scripts directory'
+                check_out '-i | --in <directory> : available newer scripts'
+                ;;
+        '--out' | '-o')
+				out_target=$2
+				shift
+                check_out "set output directory to $out_target"
+                ;;
+        '--in' | '-i')
+                in_source=$2
+                shift
+                check_out "set input directory to $in_source"
+                ;;
+        *)
+                check_fatal "unknown argument $1"
+                ;;
+	esac
+	shift
+done
+
+# Check installation
+check_out "Checking newer scripts from $in_source to $out_target"
+
+for sc in `ls $in_source`
+do
+	if [ ! -e "$out_target$sc" ]
+	then
+		check_out "x - not installed : $sc"
+	elif [ "$in_source$sc" -nt "$out_target$sc" ]
+	then
+		check_out "+ - can be updated : $sc"
+	fi
+done
+
+# End
+check_out 'Done.'
+exit $?