diff options
| author | Rafael Garcia-Suarez <rgs@consttype.org> | 2014-09-30 00:25:27 +0200 |
|---|---|---|
| committer | Rafael Garcia-Suarez <rgs@consttype.org> | 2014-09-30 08:17:50 +0200 |
| commit | 80a96bfc62584b11992aecd2fb33c6f21cfc24b9 (patch) | |
| tree | 147fd9f92585167a9c1741a319338bc0f8bfad61 /pod/perlop.pod | |
| parent | c6f54c1d24664c889a16e7f7d380041a2696f957 (diff) | |
| download | perl-80a96bfc62584b11992aecd2fb33c6f21cfc24b9.tar.gz | |
Clarify the documentation for <<>>
Diffstat (limited to 'pod/perlop.pod')
| -rw-r--r-- | pod/perlop.pod | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/pod/perlop.pod b/pod/perlop.pod index 8e279febad..07bcaf9868 100644 --- a/pod/perlop.pod +++ b/pod/perlop.pod @@ -2853,7 +2853,7 @@ mean C</^/m>. =head2 I/O Operators X<operator, i/o> X<operator, io> X<io> X<while> X<filehandle> -X<< <> >> X<@ARGV> +X<< <> >> X<< <<>> >> X<@ARGV> There are several I/O operators you should know about. @@ -2987,7 +2987,9 @@ can use the module C<ARGV::readonly> from CPAN, or use the double bracket: Using double angle brackets inside of a while causes the open to use the three argument form (with the second argument being C<< < >>), so all -arguments in ARGV are treated as literal filenames. +arguments in ARGV are treated as literal filenames (including "-"). +(Note that for convenience, if you use C<< <<>> >> and if @ARGV is +empty, it will still read from the standard input.) You can modify @ARGV before the first <> as long as the array ends up containing the list of filenames you really want. Line numbers (C<$.>) |