snippet.rb

#!/bin/sh

### 
#  Bash shell script to convert filenames with 
#  uppercase + spaces to lowercase + underscores
#  E.g.
#    Moving "Goudy Old Style BT.ttf" to "goudy_old_style_bt.ttf"
#  
#  Author: Glenn Roberts
#
#  Released under the MIT license
#
###
   
for i in *
do
  j=`echo $i | tr '[A-Z]' '[a-z]'`
  k=`echo $j | tr ' ' '_'`
  echo "Moving \"" $i "\" to \""  $k "\""
  mv "$i" $k
done