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Going places with a Dolphin (adding to xml in sequence)

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Top Forums Shell Programming and Scripting Going places with a Dolphin (adding to xml in sequence)
# 1  
Old 01-30-2011
Going places with a Dolphin (adding to xml in sequence)
Hi all, I hope someone can help me write a script that:

Reads the xml file which holds Dolphins "Places" in KDE.
If a specific tag is not there, it should create a set for it, in order.

so this little file lives in
~/.kde/share/apps/kfileplaces/bookmark.xml
Here is my example.
Code:
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE xbel>
<xbel xmlns:bookmark="http://www.freedesktop.org/standards/desktop-bookmarks" 
xmlns:mime="http://www.freedesktop.org/standards/shared-mime-info" 
xmlns:kdepriv="http://www.kde.org/kdepriv" dbusName="kfilePlaces" >
 <bookmark href="file:///home/mcc" >
  <title>Home</title>
  <info>
   <metadata owner="http://freedesktop.org" >
    <bookmark:icon name="user-home" />
   </metadata>
   <metadata owner="http://www.kde.org" >
    <ID>1295957584/0</ID>
    <isSystemItem>true</isSystemItem>
   </metadata>
  </info>
 </bookmark>
 <bookmark href="remote:/" >
  <title>Network</title>
  <info>
   <metadata owner="http://freedesktop.org" >
    <bookmark:icon name="network-workgroup" />
   </metadata>
   <metadata owner="http://www.kde.org" >
    <ID>1295957584/1</ID>
    <isSystemItem>true</isSystemItem>
   </metadata>
  </info>
 </bookmark>
 <bookmark href="file:///" >
  <title>Root</title>
  <info>
   <metadata owner="http://freedesktop.org" >
    <bookmark:icon name="folder-red" />
   </metadata>
   <metadata owner="http://www.kde.org" >
    <ID>1295957584/2</ID>
    <isSystemItem>true</isSystemItem>
   </metadata>
  </info>
 </bookmark>
 <bookmark href="trash:/" >
  <title>Trash</title>
  <info>
   <metadata owner="http://freedesktop.org" >
    <bookmark:icon name="user-trash" />
   </metadata>
   <metadata owner="http://www.kde.org" >
    <ID>1295957584/3</ID>
    <isSystemItem>true</isSystemItem>
   </metadata>
  </info>
 </bookmark>
</xbel>

So it should look for a specific title, and if it is not there, create a set in sequence

for example you are looking for the title SuperDirectory, and if it is not in that file, create it.

Code:
 <bookmark href="file:///mnt/usb/superdir" >
  <title>SuperDirectory</title>
  <info>
   <metadata owner="http://freedesktop.org" >
    <bookmark:icon name="folder-red" />
   </metadata>
   <metadata owner="http://www.kde.org" >
    <ID>1295957584/4</ID>
    <isSystemItem>true</isSystemItem>
   </metadata>
  </info>
 </bookmark>

should be injected above </xbel>. So 1295957584 needs to be held as a variable I guess and then /4 figured out and tagged on.

I am thinking it should be a perl script... only... I haven't ever worked with perl, and I haven't had to work my brain in a decade either. I would really appreciate the help.

---------- Post updated at 11:17 AM ---------- Previous update was at 12:15 AM ----------

So I have been reading.

It seems like the smartest thing to do is parse the file, create an array out of the ID tags. and add 1 stored as a variable.

Then I guess I can just delete that end tag, and stuff a new bookmark set using the variable and replace the end tag... because it looks like xml doesn't much like appending sets.

Is this the right direction?
Last edited by CtrlKey; 01-30-2011 at 12:28 PM..
# 2  
Old 01-30-2011
Yes, that would appear to be a good starting point
# 3  
Old 01-31-2011
Thank you. New to Linux... programmed a few languages in the past. Never written a shell script.

So it looks like sed is going to be my friend. Ignoring the array right now, because I need baby steps, and I expect I will work that out even though it seems more complicated than what I am trying to do now..


Ok... I can just echo that over. Working on creating that odd array. I guess I will make a variable out of the number before the slash, and then a +1 array to variable for after.

I could use some direction on how to remove the slash, and create two variables... even if I just grab the last tag to split it, and add one to the end.
Code:
#!/bin/bash
cat bookmarks.xml > oldbookmarks.xml
sed -i '/<[\/]xbel>/d' bookmarks.xml
while IFS='<>' read _ starttag value endtag; do
    case "$starttag" in 
        ID) Ids+=("$value") ;;
   esac
let newid="$Ids"+1
done < bookmarks.xml
echo '<bookmark href="file:///home/public/data" >
  <title>DataDir</title>
  <info>
   <metadata owner="http://freedesktop.org" >
    <bookmark:icon name="folder-red" />
   </metadata>
   <metadata owner="http://www.kde.org" >
    <ID>'"$Ids"'</ID>
    <isSystemItem>true</isSystemItem>
   </metadata>
  </info> 
 </bookmark> 
</xbel>' >>bookmarks.xml

Not really there but closer

Thanks again.

---------- Post updated at 06:57 PM ---------- Previous update was at 03:50 PM ----------

I'm thinking I should be writing this in perl.

Of course I know even less about that.

---------- Post updated 01-31-11 at 01:00 AM ---------- Previous update was 01-30-11 at 06:57 PM ----------

This is for FOSS if it matters. I would just like direction, not solutions.
Last edited by CtrlKey; 01-30-2011 at 06:18 PM..
# 4  
Old 02-13-2011
Ok. So I have made a lot of progress. But I am cheating to make this work on a fresh install...

What I need it to do is read all of those ID tags and return the last number of the last tag and +1.

Code:
#!/bin/bash
LOGINNAME=$(logname)
cat /home/$LOGINNAME/.kde/share/apps/kfileplaces/bookmarks.xml > /home/$LOGINNAME/.kde/share/apps/kfileplaces/oldbookmarks.xml
sed -i '/<[\/]xbel>/d' /home/$LOGINNAME/.kde/share/apps/kfileplaces/bookmarks.xml 
while IFS='<>' read _ starttag value endtag; do
    case "$starttag" in 
        ID) Ids+=("$value") ;
e=$(echo $Ids | sed 's/\(.\)/\1 /g') ;
a=($e)
    esac
done < /home/$LOGINNAME/.kde/share/apps/kfileplaces/bookmarks.xml
echo '<bookmark href="file:///home/public/data" >
  <title>DataDir</title>
  <info>
   <metadata owner="http://freedesktop.org" >
    <bookmark:icon name="folder-red" />
   </metadata>
   <metadata owner="http://www.kde.org" >
    <ID>'"${a[0]}${a[1]}${a[2]}${a[3]}${a[4]}${a[5]}${a[6]}${a[7]}${a[8]}${a[9]}${a[10]}${a[11]+4}"'</ID>
    <isSystemItem>true</isSystemItem>
   </metadata>
  </info> 
 </bookmark> 
</xbel>' >>/home/$LOGINNAME/.kde/share/apps/kfileplaces/bookmarks.xml

Any help is appreciated. I am pretty sure it is in sed, but sed is a very weird tool to me.
Last edited by Neo; 02-13-2011 at 03:15 AM.. Reason: removed bump
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