rcknr

#!/bin/sh

echo "$@" | awk -v ORS="" '{ gsub(/./,"&\n") ; print }' | while read l;
do
  case "$l" in
    [-_.~a-zA-Z0-9] ) echo -n ${l} ;;
    "" ) echo -n %20 ;;
    * )  printf '%%%02X' "'$l"
  esac
done

cosimo

#!/bin/bash
#
# Example of how to parse short/long options with 'getopt'
#

OPTS=`getopt -o vhns: --long verbose,dry-run,help,stack-size: -n 'parse-options' -- "$@"`

if [ $? != 0 ] ; then echo "Failed parsing options." >&2 ; exit 1 ; fi

echo "$OPTS"