File Test Operator '-e' with large files

pelagic has asked for the wisdom of the Perl Monks concerning the following question:

Hello Fratres, I got following phenomenon:

$ ls -ltr
-rw-------   1 pelagic  dba      4294967296 Mar 16 13:50 foo
-rw-------   1 pelagic  dba         4096 Mar 16 13:52 bar
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a big and a small file.
I then execute the following:

use strict;
my @files = qw/foo bar/;
foreach my $file (@files) {
        if (-e "$file") {
                print $file, " found\n";
        }
        else {
                print $file, " not found\n";
        }
}
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and get the printout:

foo not found
bar found
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The File Test Operators seems to "overview" my biggie ...
any suggestions why this could be happening?
(This is perl, version 5.005_03 built for sun4-solaris)
pelagic

-------------------------------------
I can resist anything but temptation.

Comment on File Test Operator '-e' with large files Select or Download Code

Replies are listed 'Best First'.
Re: File Test Operator '-e' with large files by Limbic~Region (Chancellor) on Mar 16, 2004 at 13:27 UTC
pelagic, This is just a hunch, but was your perl compiled for large file support? `$ perl -V Compile-time options: MULTIPLICITY USE_ITHREADS USE_64_BIT_INT USE_LAR +GE_FILES PERL_IMPLICIT_CONTEXT` [download] I am going to go check perldelta now to verify your version supports large files even though it would require recompiling. Cheers - L~R Update: Large file support became available in 5.6.0. You may have to resort to letting the OS handle it for you.	[reply] [d/l]
Re: File Test Operator '-e' with large files by calin (Deacon) on Mar 16, 2004 at 13:35 UTC
I know that `stat(2)` fails on large files on some systems ; programs have to use `stat64` or similar. Here's a checklist: Is Perl compiled with large file support? Is your system modern enough (ls seems to work...) Are you sure you're in the right directory?	[reply] [d/l] [select]
Re: File Test Operator '-e' with large files by pelagic (Priest) on Mar 16, 2004 at 13:52 UTC
Thanks for all hints. stat failes indeed on our system and perl's -e seems to use stat ... so I will have to look for a other solution. pelagic ------------------------------------- I can resist anything but temptation.	[reply]