mmv: move/copy/append/link multiple files by wildcard patterns

mmv.sh

# Create multiple folders
$ mkdir -p source/tags/modules/{dob,grid,radio,set,telephone,text}

# Move multiple files by wildcard pattern
$ mmv "source/tags/modules/*.txt" "source/tags/modules/#1/#1.txt"

# Create multiple files by wildcard pattern (e.g. same name as their folder)
$ cd source/tags/modules

# then...
for dir in *; do 
  touch "$dir/$dir.txt"; 
done

# Insert content into multiple files at once
for folder in *; do 
  echo -e "module-$folder {\n  // write some LESS here\n}\n" >> "$folder/$folder.less";
done