dry option

readme.md

@@ -62,14 +62,17 @@ If you're using zsh or a different shell, make sure to have `~/bin` in your `$PA
 ```
 $ wipe-modules --help
 
-  Usage: wipe-modules [path] [days]
+  Usage: wipe-modules [path] [days] [options]
 
   Path:
     The full path of your code directory
 
   Days:
     The days you want to set to mark projects as inactive
 
+  Options:
+    -D, --dry      Only show node_modules to be removed
+
   Example: wipe-modules ~/code 30
 
   That will remove the node_modules of your ~/code projects

wipe-modules.sh

@@ -3,6 +3,7 @@
 # variables
 code_dir=$1
 last_modified=$2
+dry=$3
 modules_removed=0
 is_dir=0
 is_number=0
@@ -12,14 +13,17 @@ run=0
 usage() {
   cat <<EOF
 
-  Usage: wipe-modules [path] [days]
+  Usage: wipe-modules [path] [days] [options]
 
   Path:
     The full path of your code directory
 
   Days:
     The days you want to set to mark projects as inactive
 
+  Options:
+    -D, --dry      Only show node_modules to be removed
+
   Example: wipe-modules ~/code 30
 
   That will remove the node_modules of your ~/code projects
@@ -33,26 +37,48 @@ go_gir() {
   # move to code directory
   cd $code_dir
 
+  # if $dry is --dry (or -D) then show message
+  if [ "$dry" == "--dry" -o "$dry" == "-D" ]; then
+    echo "\033[90m The node_modules in the following directories can be wiped out. \033[39m"
+    sleep 2
+    echo ""
+  fi
+
   # find the code directories whose last modify time (mtime) is older than $last_modified days
   # and loop through each resulting dir
   for d in `find . -maxdepth 1 -type d -mtime +$last_modified`; do
     # move to code dir subdirectory
     cd $d
     if [ `find . -maxdepth 1 -type d -name 'node_modules'` ]
     then
-      # wipe the node_modules folder!
-      rm -rf node_modules
-      modules_removed=`expr $modules_removed + 1`
+      # if $dry is not --dry (or -D) then just print the name of the folder that
+      # matches the search
+      if [ "$dry" == "--dry" -o "$dry" == "-D" ]
+      then
+        # print the current directory name
+        echo "$d"
+        modules_removed=`expr $modules_removed + 1`
+      else
+        # wipe the node_modules folder!
+        rm -rf node_modules
+        modules_removed=`expr $modules_removed + 1`
+      fi
     fi
+
     # go one directory up to continue iterating
     cd ..
   done
 
   # display nice little information message when done
   if [ $modules_removed -gt 0 ]; then
-    echo "\033[90m $modules_removed node_modules successfully removed! \033[39m"
+    if [ "$dry" == "--dry" -o "$dry" == "-D" ]; then
+      echo ""
+      echo "\033[90m $modules_removed node_modules were found! \033[39m"
+    else
+      echo "\033[90m $modules_removed node_modules successfully removed! \033[39m"
+    fi
   else
-    echo "\033[90m Our agent couldn't find any inactive project. \033[39m"
+    echo "\033[90m Our agent couldn't find any inactive projects. \033[39m"
   fi
 }