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Forum index » Off-Topic Area » Programming

How to "grep-out" entries out of .desktop files?

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RSH

Joined: 05 Sep 2011
Posts: 1564
Location: Germany

Posted: Wed 08 Feb 2012, 03:15 Post subject:

How to "grep-out" entries out of .desktop files?

Hi,

Code:

Name=$(grep "^Name=" abiword.desktop)
echo ${Name:5}

gives me the English Entry f.e. Name=AbiWord.

If i do try this with

Code:

Name=$(grep "^Name[de]=" abiword.desktop)
echo ${Name:9}

i get error message "broken pipe" shown in terminal.

What do i have to do to get the entry of f.e. the German Name[de] or the French Name[fr] etc.?

Thanks

RSH

jpeps

Joined: 31 May 2008
Posts: 2449

Posted: Wed 08 Feb 2012, 04:11 Post subject: Re: How to "grep-out" entries out of .desktop files?

try:

Code:

Name=$(grep "^Name\[de\]=" abiword.desktop)

RSH

Joined: 05 Sep 2011
Posts: 1564
Location: Germany

Posted: Wed 08 Feb 2012, 04:30 Post subject: Re: How to "grep-out" entries out of .desktop files?

jpeps wrote:

try:

Code:

Name=$(grep "^Name\[de\]=" abiword.desktop)

Oh ja, this is it! Cool

Thank you, have been big trouble to me and now i do know more about the use of the "\" stuff.

jpeps

Joined: 31 May 2008
Posts: 2449

Posted: Wed 08 Feb 2012, 04:59 Post subject: Re: How to "grep-out" entries out of .desktop files?

RSH wrote:

..and now i do know more about the use of the "\" stuff.

They are our friend Smile

RSH

Joined: 05 Sep 2011
Posts: 1564
Location: Germany

Posted: Wed 08 Feb 2012, 07:53 Post subject:

Quote:

They are our friend

I do hope so. Smile

I am sure you do have also a hint how to put the changed Name[de] back into the .desktop file. I know i did see something like this before (i believe somewhere in petspec?) but can not find it... Confused

jpeps

Joined: 31 May 2008
Posts: 2449

Posted: Wed 08 Feb 2012, 12:48 Post subject:

RSH wrote:

Quote:

They are our friend

I do hope so. Smile

not sure what you're asking...maybe something like ?

sed -i "s/oldname/new/" file.desktop

RSH

Joined: 05 Sep 2011
Posts: 1564
Location: Germany

Posted: Wed 08 Feb 2012, 14:49 Post subject:

Yes, this is what i mean.

I did try

Code:

put_in_file() {
echo Name=$ITEM_NAME
echo Name[$lang_category]=$ITEM_DENAME
if [ -f "$APPLPATH/$TREE_INCLUDED_ITEMS.desktop" ]; then
echo "$APPLPATH/$TREE_INCLUDED_ITEMS.desktop"
fi
sed -i "s/$ITEM_NAME/$ITEM_DENAME/" $APPLPATH/$TREE_INCLUDED_ITEMS.desktop
}
export -f put_in_file

All values are right (echo shows me) but

Code:

sed -i "s/$ITEM_NAME/$ITEM_DENAME/" $APPLPATH/$TREE_INCLUDED_ITEMS.desktop

and

Code:

sed -i "s|$ITEM_NAME|$ITEM_DENAME|" $APPLPATH/$TREE_INCLUDED_ITEMS.desktop

does not work. Shocked

technosaurus

Joined: 18 May 2008
Posts: 3845

Posted: Wed 08 Feb 2012, 17:35 Post subject:

from jwm_menu_create - I didn't use grep or sed though

Code:

[ $myLANG ] || myLANG=${LANGUAGE%% *}
[ $myLANG ] || myLANG=${LANG%_*}

[ -f /usr/share/locale/$myLANG/LC_MESSAGES/jwm ] && . /usr/share/locale/$myLANG/LC_MESSAGES/jwm

for DESKTOP_FILE in /usr/share/applications/*.desktop ; do
ICON="" CATS="" NAME="" EXEC="" LINE="" #prevent carryover from previous file
while read LINE || [ "$LINE" ]; do
   case $LINE in
      Name=*|Name?${myLANG%_*}?=*) NAME="${LINE#*=}"'' ;; # sc0ttman... should use "Name[$myLANG]=" if found
#       Comment=*|Comment?${LANG%_*}?=*) COMMENT="${LINE#*=}"'' ;; #jwm doesn't support tooltips on menu items yet ... uncomment this if it ever does
      Icon=*) ICON="${LINE#*=}"'' ;;
      Categories=*) CATS="${LINE#*=}"'' ;;
      Exec=*) EXEC="${LINE#*=}"'' ;;
   esac

done < $DESKTOP_FILE
#once you have all of those you can echo it back to the file here:
done

Edit: It looks like you may be trying to duplicate this:
http://www.murga-linux.com/puppy/viewtopic.php?t=70804
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jpeps

Joined: 31 May 2008
Posts: 2449

Posted: Wed 08 Feb 2012, 23:47 Post subject:

RSH wrote:

Code:

sed -i "s/$ITEM_NAME/$ITEM_DENAME/" $APPLPATH/$TREE_INCLUDED_ITEMS.desktop

does not work. Shocked

That probably means that something in the item_names needs an escape or the path/app.desktop name is incorrect.

RSH

Joined: 05 Sep 2011
Posts: 1564
Location: Germany

Posted: Thu 09 Feb 2012, 07:32 Post subject:

jpeps wrote:

That probably means that something in the item_names needs an escape or the path/app.desktop name is incorrect.

One of the item_names is :"AbiWord Textverarbeitung" (without the quotes but with the space between the two words).

What is an escape? How do i do this?

jpeps

Joined: 31 May 2008
Posts: 2449

Posted: Thu 09 Feb 2012, 11:24 Post subject:

RSH wrote:

jpeps wrote:

That probably means that something in the item_names needs an escape or the path/app.desktop name is incorrect.

One of the item_names is :"AbiWord Textverarbeitung" (without the quotes but with the space between the two words).

What is an escape? How do i do this?

It should work, provided your variable is defined correcty. ( eg new="Abiword Textverarbeitung" ) You might try:

sed -i "s/${old}/${new}/ "

You can test it out with "sed -e", which will print without making any change.

An escape is our friend "\" You can also escape a space:

new="Abiword\ Textverarbeitung"

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