new feat to markslider: autoexec

mvregex

@@ -1,11 +1,15 @@
 #!/bin/bash
 
+function helpexit() {
+    echo rename files in current folder replacing arg1 with arg2.
+    echo '-n for match non ascii, replace with arg2'
+    exit
+}
+
 IFS=$'\n'
-if [ -z "$1" ]
-then echo rename files in current folder replacing arg1 with arg2.
-     echo '-n for match non ascii, replace with arg2'
-     exit
-fi
+[[ -z "$1" ]] && helpexit
+[[ "$1" = "-h" ]] && helpexit
+
 POSTPROC="sed 's,	, -> ,'"
 which ncsv &>/dev/null && POSTPROC="ncsv -c"
 c=0