Set skype status using command line.

setSkypeStatus.sh

#!/usr/bin/env bash

STATUS=$1

if [ -z "$STATUS" ] ; then echo "usage $0 [ONLINE|AWAY]" ; exit; fi

(cat <<EOF
tell application "Skype"
   send command "SET USERSTATUS ${STATUS}" script name "Set Skype Status"
end tell
EOF
) | osascript

# A couple of aliases
# alias skypeaway='~/bin/setSkypeStatus.sh AWAY'
# alias skypeback='~/bin/setSkypeStatus.sh ONLINE'