clock with timer, folderflat with custom character and as-is

FolderFlat

@@ -4,25 +4,61 @@ function help() {
     echo "Files in subfolders will be renamed / -> _"
     echo "Empty folders are removed"
     echo "   -f  to force action "
+    echo "   -n  to move files as is, i.e. not include path names in new name "
+    echo "   -p C Replace path separator / with character C "
 }
 
 function helpexit() {
     help
     exit
 }
-[[ -z "$1" ]] && {
+
+function preview() {
+  echo ""
+  for f in $( find . -mindepth 2 -type f -path '*.*' -printf %P'\n' | head ); do
+    [[ "$NO_PATH" = "1" ]] && {
+      echo "$f => " .
+    } || {
+      echo "$f =>" "${f//\//$SEP}"
+    }  
+  done    
+  echo "..."
+}
+
+function flat() {
+  for f in $( find . -mindepth 2 -type f -path '*.*' -printf %P'\n' ); do
+    [[ "$NO_PATH" = "1" ]] && {
+      mv -iv "$f" .
+    } || {
+      mv -iv "$f" "${f//\//$SEP}"
+    }  
+  done
+  find . -depth -type d -empty -delete
+}
+
+SEP="_"
+FORCE=0
+while getopts fhnp: opt
+do  case "$opt" in
+    f)
+        FORCE=1
+    ;;
+    h)
+        helpexit
+    ;;
+    n)
+        NO_PATH=1
+    ;;
+    p)
+        SEP=$OPTARG
+    ;;
+    esac
+done
+IFS=$'\n'
+[[ "$FORCE" = "0" ]] && {
     help
+    preview
     echo "Are you sure? Break with ctrl-c"
     read i   
 }
-[[ "$1" = "-h" ]] && helpexit
-
-IFS=$'\n'
-
-for f in $( find . -mindepth 2 -type f -path '*.*' -printf %P'\n' );
-do mv -iv "$f" "$( echo $f | sed s,[/],_,g )"
-done
-find . -depth -type d -empty -delete
-
-
-
+flat