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 Forum index » Off-Topic Area » Programming
Right click to find symbolic link
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don570


Joined: 10 Mar 2010
Posts: 2527
Location: Ontario
PostPosted: Thu 02 Aug 2012, 19:08    Post_subject:  Right click to find symbolic link  
Forum member SFR has a neat and simple method to
discover if icon is a symbolic link to a folder ( or to an
ordinary file).

He used it in Large file finder
http://murga-linux.com/puppy/viewtopic.php?t=77779

I used it in the script create-3mu found HERE

The 'find' command won't work if the location given
is a symbolic link. So getting the real location is important.

Code:

FPATH="$1"
TEST=`stat -c %F "$FPATH"`
if [ "$TEST" = "symbolic link" ]; then
  FPATH=`stat -c %N "$FPATH" | cut -f3 -d '\`'`
  FPATH=${FPATH%?}
fi



Explanation: FPATH is path of the folder(or file).
After execution of the code it will be the path to the real folder(or file)

The variable TEST will contain the text "symbolic link" if
the user has right clicked on a symbolic link.

In the special case of the symbolic link and the real file being
in the same folder -----> just the real name is returned.

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RSH


Joined: 05 Sep 2011
Posts: 1564
Location: Germany
PostPosted: Fri 03 Aug 2012, 10:36    Post_subject:  
Hi.

Code:
FPATH="$1"
TEST=`stat -c %F "$FPATH"`
if [ "$TEST" = "symbolic link" ]; then
  FPATH=`stat -c %N "$FPATH" | cut -f3 -d '\`'`
  FPATH=${FPATH%?}
fi

This is exactly the solution to something i am currently working on. The LazY Puppy Run-Script-GUI (Starter) shows only symbolic links to the Run-Scripts in a different directory. I do use this now to remove these symbolic links and its Run-Scripts (including the directory) from within the Run-Script-GUI.

Code:
FPATH="$Progs$TREEOUTPUT"
TEST=`stat -c %F "$FPATH"`
if [ "$TEST" = "symbolic link" ]; then
   FPATH=`stat -c %N "$FPATH" | cut -f3 -d '\`'`
   FPATH=${FPATH%?}
fi
dbn=`dirname $FPATH`
rm -r $dbn
rm $Progs$TREEOUTPUT

Thanks a lot to don570 and to SFR.

RSH
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seaside

Joined: 11 Apr 2007
Posts: 841
PostPosted: Fri 03 Aug 2012, 16:15    Post_subject:  
Another way is to use readlink -

Code:
 [[ `readlink "$1"` ]] && FPATH=`readlink "$1"` || FPATH="$1"


Cheers,
s
(Or readlink -e if recursion needed)
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