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Re^2: Perl stricter than my OS regarding file/dir names

by jffry (Hermit)
on Feb 15, 2006 at 20:19 UTC ( [id://530509]=note: print w/replies, xml ) Need Help??


in reply to Re: Perl stricter than my OS regarding file/dir names
in thread Perl stricter than my OS regarding file/dir names

No, I am creating $dir and $current_filename using random ASCII values > 0 and < 128. I need to keep the newlines and other funky characters as-is. I think I'm only having trouble with newlines at this point.

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Re^3: Perl stricter than my OS regarding file/dir names
by Corion (Patriarch) on Feb 15, 2006 at 20:23 UTC

    You aren't telling us if the directory exists or not. Perl only gives you a helpfull warning, just in case you are trying to stat a file/directory with a newline in it - which would be a common programming error.

    If you want to avoid the warning, just use

    { no warnings 'newline'; next if -d "$dir/$current_filename"; };

      A bare block is a loop construct, so that next won't propagate out. Quick demonstration:

      $ perl -le 'for (1..10) { { next if 1 }; print }' 1 2 3 4 5 6 7 8 9 10
      Not sure why the existence of the directory would matter. Most of the time, it doesn't exist.
      user@host:/home # perl -w print "OK" if -d 'I_swear_this_file_aint_here'; print "See, I told you.\n" <CTRL+D> See, I told you. user@host:/home
      I see no special output if the tested for file doesn't exist. It just silently fails.

      But...

      Thanks for the warnings info! That looks to be what I need, I'll bet.

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