Re: How to get a true canonical path

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Re^2: How to get a true canonical path by hsinclai (Deacon) on Jun 09, 2004 at 14:56 UTC
Yeh - that figures out links pretty well.. `use strict; use Cwd 'abs_path'; my $fileinquestion = "/var/mail/"; my $realpathfor = abs_path($fileinquestion); print "$realpathfor\n";` [download] If you have to be out inside a system operation, the value of `pwd -P` [download] is pretty real Out of curiosity I tried a .. operation under win2k with AS.. it seems to work.. `#!perl use strict; use Cwd; use Cwd 'abs_path'; my $q = 'C:\\TEMP\\'; chdir $q; my $dirnow = getcwd(); print "Changed dir to C:\\TEMP\n"; print "Cwd thinks I am in $dirnow\n"; chdir "..\\"; print "Changed dir up one level ..\n"; my $newdirnow = getcwd(); print "Cwd now thinks I am in $newdirnow\n";` [download] so that might do the right thing if a user provides input including \path\..\another\path, so long as backslashes get treated correctly	[reply] [d/l] [select]
Re^2: How to get a true canonical path by rinceWind (Monsignor) on Jun 09, 2004 at 16:30 UTC
Thanks - Look like it will do the trick. I need to check VMS though. One thing I have noticed is that the directory must exist - and must actually be a directory. Feeding a file to Cwd::abs_path causes it to carp with "Not a directory". -- I'm Not Just Another Perl Hacker	[reply]
Re^3: How to get a true canonical path by eserte (Deacon) on Jun 09, 2004 at 16:55 UTC
Not on my system (perl5.8.0): `$ perl -MCwd=abs_path -e 'warn abs_path("$ENV{HOME}/../slavenr/.cshrc" +)' /home/slavenr/.cshrc at -e line 1.` [download]	[reply] [d/l]