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Re^2: Reopen file when contents changed?

by blazar (Canon)
on Jun 07, 2005 at 14:05 UTC ( [id://464308]=note: print w/replies, xml ) Need Help??


in reply to Re: Reopen file when contents changed?
in thread Reopen file when contents changed?

sub first_line_from_file {
  my $fn = shift;
  open my $file, "<", $fn
    or die "unable to open file $fn";
  <$file>
}

[download]
To return the first line I'd say 
  scalar <$file>;

[download]
(The semicolon is cosmetic. But I consider it good style)

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