Output file without comments or blanklines

cmtstrip

#!/bin/bash
# Output file without comments or blanklines

# Display usage if no parameters given
if [ -z $1 ]; then
  echo " ${0##*/} <*c> <filename> - print file w/o comments/blanklines - (c)lipboard"
  exit 1
fi

case $1 in
  # Copy output to xorg server clipboard
  c ) shift
      # Check if selection exists
      if [ ! -f "$@" ]; then
        echo " Selection \""$@"\" does not exist." && exit
      fi
      # Exit if root (root doesn't have access to user xorg server)
      if [[ `whoami` == root ]]; then
        echo " Copying to clipboard cannot be user root" && exit
      else
        grep -vh '^[[:space:]]*\(#\|$\)' "$@" | xclip -selection c
        echo " Comments stripped from file and copied to xorg server clipboard"
      fi
      ;;
  # Print output to terminal
  * ) if [ ! -f "$@" ]; then
        echo " Selection \""$@"\" does not exist." && exit
      fi
      grep -vh '^[[:space:]]*\(#\|$\)' "$@" ;;
esac