• RawNotes
• kde desktop scripts

Author

Christopher Marshall (christopherlmarshall@yahoo.com)

Raw Notes on Writing KDE Desktop Scripts

# xmessage
   # this would put a directory listing up in the xm window
   ls | xmessage -file -
   # this would echo the choice when it was done
   xmessage -print -buttons b1,b2,b3 "choose one please"
   # a delay prompt
   xmessage -timeout 10 "please wait for a second"

# lockfile
# this is how you would usually use it
   if ! lockfile -1 -r1 $lockfile ; then
      echo "couldn't get lockfile"
   fi
   do_a_bunch_of_stuff
   rm $lockfile

# audio prompts
   ogg123 -d arts somefile.ogg
   xmessage -timeout 10 "please enjoy the music while we serve you"
   kill $!

# clickable script template combining these elements
   #!/bin/bash

   lockfile=~/lock1
   #song=/usr/drive2/music/mcarey/track01.cdda.ogg
   song=/usr/drive2/music/bach/track01.cdda.ogg

   # guard against multiple clicks
   if ! lockfile -1 -r1 $lockfile ; then
      xmessage -timeout 5 "this command is already running.  stop clicking so much, silly"
      exit 1
   fi

   ogg123 -d arts file.ogg &
   xmessage -timeout 10 "program running"
   # kill the ogg process, "$!" is the last background process started
   kill $!

   rm $lockfile