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Top Forums Shell Programming and Scripting HELP on checking for directory or symbolic link Post 302694977 by newbie_01 on Friday 31st of August 2012 08:39:52 PM
Old 08-31-2012
Quote:
Originally Posted by methyl
Nearly there but the echo statements do not match the tests. The Conditional Expression syntax "[[ .....]]" is not needed.

Code:
#!/bin/ksh

for checkdir in dir*
do
   echo "Checking ${checkdir}"

   if [ -h "${checkdir}" ] ; then
      echo "... ${checkdir} is a symbolic link"
   elif [ -d "${checkdir}" ] ; then
      echo "... ${checkdir} is a directory"
   fi
done


Thanks a lot methyl, that is so very embarrassing SmilieSmilie ....

All good now ... still stumped on why the -d returns true for a symbolic link though, it's like it is trying to check whether the link that the symlink is set to is a directory.

I can live with doing the -h then the -d for the time being ... thanks again for pointing out my mistakes ... need to grab some more coffee I guess

Below is an example where I create another symbolic link but the actual directory /tmp/x does not exist and my original script works like how I want it to. Any chance that there is a test where it will not try and resolve what the symbolic link is linking to?

Code:
tmp $: ./x.ksh
Checking dir1
... dir1 is a directory
Checking dir2
... dir2 is a directory
Checking dir3
... dir3 is a directory
Checking dir4
... dir4 is a symbolic link
tmp $: cat x.ksh
#!/bin/ksh

for checkdir in dir*
do
   echo "Checking ${checkdir}"

   if [[ -d "${checkdir}" ]] ; then
      echo "... ${checkdir} is a directory"
   elif [[ -h "${checkdir}" ]] ; then
      echo "... ${checkdir} is a symbolic link"
   fi
done
tmp $: ls -ltrd /tmp
drwxrwxrwt  79 root     root      221472 Sep  1 12:41 /tmp
tmp $: ls -ltrd /tmp/x
/tmp/x: No such file or directory
tmp $:


Last edited by newbie_01; 08-31-2012 at 09:45 PM.. Reason: More info
 

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PAPS(1) 						      General Commands Manual							   PAPS(1)

NAME
paps - UTF-8 to PostScript converter using Pango SYNOPSIS
paps [options] files... DESCRIPTION
paps reads a UTF-8 encoded file and generates a PostScript language rendering of the file. The rendering is done by creating outline curves through the pango ft2 backend. OPTIONS
These programs follow the usual GNU command line syntax, with long options starting with two dashes (`-'). A summary of options is included below. --landscape Landscape output. Default is portrait. --columns=cl Number of columns output. Default is 1. --font=desc Set the font description. Default is Monospace 12. --rtl Do rtl layout. --paper ps Choose paper size. Known paper sizes are legal, letter, a4. Default is A4. --bottom-margin=bm Set bottom margin in postscript points (1/72 inch). Default is 36. --top-margin=tm Set top margin. Default is 36. --left-margin=lm Set left margin. Default is 36. --right-margin=rm Set right margin. Default is 36. --help Show summary of options. --header Draw page header for each page. --markup Interpret the text as pango markup. --encoding=ENCODING Assume the documentation encoding is ENCODING. --lpi Set the lines per inch. This determines the line spacing. --cpi Set the characters per inch. This is an alternative method of specifying the font size. --stretch-chars Indicates that characters should be stretched in the y-direction to fill up their vertical space. This is similar to the texttops behaviour. AUTHOR
paps was written by Dov Grobgeld <dov.grobgeld@gmail.com>. This manual page was written by Lior Kaplan <kaplan@debian.org>, for the Debian project (but may be used by others). April 17, 2006 PAPS(1)
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