Re: Re: Getting current directory

Whoa, careful with that advice:

print $ENV{PWD}, "\n";
chdir('perl');

print $ENV{PWD}, "\n";
print `ls`;
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Yeah, I wouldn't normally use the backticks there, but it proves my point. Also, $0 is spoofable. Cwd is a more reliable solution.

Update: You can spoof $0 by using symlinks, at least if your OS supports them.

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(tye)Re: Getting current directory by tye (Sage) on Feb 09, 2001 at 23:37 UTC
Unlike `argv[0]` in C, $0 in Perl is not spoofable. See FindBin is broken (RE: How do I get the full path to the script executing?) for more details. But $0 is certainly inappropriate for getting the full path to "the current working directory" or "where the script was called from" (though I could see misinterpretting this last phrase to mean the full path to the script). $0 often tells you the full path to where the script resides. - tye (but my friends call me "Tye")	[reply] [d/l]

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(tye)Re: Getting current directory
by tye (Sage) on Feb 09, 2001 at 23:37 UTC

Unlike argv[0] in C, $0 in Perl is not spoofable. See FindBin is broken (RE: How do I get the full path to the script executing?) for more details.

But $0 is certainly inappropriate for getting the full path to "the current working directory" or "where the script was called from" (though I could see misinterpretting this last phrase to mean the full path to the script). $0 often tells you the full path to where the script resides.

tye

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