KDE: sending files to a script from the browser

[Alma J Wetzker]

COOL!  Thanks Joel.  Something to play with....
     -- Alma

Joel Hammer wrote:
> Well, my first effort at a swarm script worked, but only for a small number
> of files. If files > 10, my system slows down a lot.
> 
> So, version 2.
> 
> KDE starts up all the scripts with the open with command, but each script
> immediately suspends itself with SIGSTOP.  This saves CPU time.
> 
> A master script is started or is running in the background, whatever, and
> this wakes up each of the slave scripts sequentially by sending them a
> SIGCONT signal.
> 
> This actually works for a large number of scripts, although KDEinit
> starts taking up a lot of CPU time.
> 
> KDE is a weak sister, IMHO.
> 
> A slave (Comment.scr) script aborts the entire editing session by sending
> a SIGUSR1 to the master script (Master.scr), which then sends all the
> scripts a kill signal.
> 
> I think I could have gotten away without a separate master script by
> having each slave script become the master script in turn, but, the
> single master script seemed much easier to to.
> 
> Who says linux can't be fun and useful?
> 
> Now to label all those Hawaiian  photos. This is where my wife comes
> in. I sure hope she likes vim.
> 
> Joel
> 
> The MASTER script, Master.scr
> 
> #!/bin/bash
> abort()
> {
> rm junkwaiting
> ps ax | grep Comment.scr | sed "s/^ *//" | cut -f1 -d " " > junkwaiting
> [ -s junkwaiting ] && {
> while read i
> do
> kill -9 $i
> echo kill -9 $i
> done < junkwaiting
> }
> }
> trap abort SIGUSR1 
> j=0
> while [ "$j" -le 1 ]
> do
> 	ps ax | grep -v grep | grep vim
>   [ $? -eq 0 ] &&   echo "vim is running"  || {
>     ps ax | grep Comment.scr  | sed "s/^ *//" | cut -f1 -d" " > junkwaiting
>     read i < junkwaiting
>     echo $i
> 		[ -z "$i" ] || kill -SIGCONT $i 
>                  }
> sleep 2
> done
> 
> END OF MASTER SCRIPT
> 
> The slave script, Comment.scr
> 
>  
> #!/bin/bash
> AbortAll()
> {
> ps ax | grep Master.scr | sed "s/^ *//" | cut -f1 -d" " >  junk$2
> read i < junk$2
> rm junk$2
> kill -SIGUSR1 $i 
> }
> editcomment()
> {
> MAGICK_HOME=/usr/bin/ImageMagick-5.5.7
>   export MAGICK_HOME
>   echo "This is the current comment in this file" > junkheader.txt
> 	echo "Edit the comment between  the =================" >> junkheader.
> 	echo "=================================================" >> junkheader.txt
>   echo "=================================================" > junktail.txt
> 	echo "This was the last comment used " >> junktail.txt
>   cat /root/junkcomment | sed -n "/^=/,/^=/p" | sed /^=/d >> junktail.txt
> 	rm /root/junkcomment
> 	echo Instructions: >> junktail.txt
> 	echo "To end all commenting, enter ABORT or Abort or abort on the first line of the page and :wq" >> junktail.txt
> 	echo "To erase the current comment, erase this entire page and exit" >> junktail.txt
> 	echo "To skip just this case, enter Cancel or CANCEL or cancel on the first line of this page and :wq" >> junktail.txt
>   rm /root/.junkcomment.swp 2>/dev/null 
>   rm /tmp/junk 2>/dev/null
> 	xv $1 &
>   konsole -e /usr/bin/vim  /root/junkcomment \
>      -c "r junkheader.txt"  \
> 		 -c "$" \
>      -c "r ! identify -verbose $1 | \
>   	          sed -n \"/comment/,/signature/p\" | \
>               sed \"s/ *comment: *//\" | \
>   					 sed \"/signature.*/d\" " \
>      -c "$" \
>      -c "r junktail.txt" 
> killall xv
> [ -s /root/junkcomment ] && 
>      {
>      read a < /root/junkcomment
> 		 echo This is a $a
> 		 case $a in
>       *abort* ) echo "Will try to abort" >> junkmessages
> 			          AbortAll $0 $$;;
> 			*Abort* ) AbortAll $0 $$;;
> 			*ABORT* ) AbortAll $0 $$;;
>       *CANCEL* ) d=e;;
> 			*cancel* ) echo Have tried to cancel;;
> 			*Cancel* ) d=e;;
> 		  *     )	
> 			        rm /tmp/file
> 			        convert -comment "`cat /root/junkcomment | sed -n "/^=/,/^=/p" | sed /^=/d ` " $1 /tmp/file 
>               cp /tmp/file $1;;
> 			esac
> 	   }
> }
> # =================Start of program==================================
> kill -SIGSTOP $$
> editcomment $1 $$ 
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