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author | Jarkko Hietaniemi <jhi@iki.fi> | 2001-04-30 13:13:54 +0000 |
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committer | Jarkko Hietaniemi <jhi@iki.fi> | 2001-04-30 13:13:54 +0000 |
commit | d4ced10d0773d7b2aaa8e52df351060660783e30 (patch) | |
tree | d6973aadcdbf3e1af2b766cad642ac999a45d0ea /pod/perldata.pod | |
parent | 2b112a98074cad38df07dd202ecdfd6f7cfc56fa (diff) | |
download | perl-d4ced10d0773d7b2aaa8e52df351060660783e30.tar.gz |
More_tweakage.
p4raw-id: //depot/perl@9918
Diffstat (limited to 'pod/perldata.pod')
-rw-r--r-- | pod/perldata.pod | 15 |
1 files changed, 4 insertions, 11 deletions
diff --git a/pod/perldata.pod b/pod/perldata.pod index 64ea8be765..b7c3b1cecd 100644 --- a/pod/perldata.pod +++ b/pod/perldata.pod @@ -278,17 +278,10 @@ integer formats: 0377 # octal 0b011011 # binary -You are allowed to use underscores (underbars) in numeric literals for -legibility, as long as the underscores are spaced at least one digit -apart, and they do not begin or end the integer or fractional part of -a decimal constant. You could, for example, group binary digits by -threes (as for a Unix-style mode argument such as 0b110_100_100) or by -fours (to represent nibbles, as in 0b1010_0110) or in other groups. - -(Note that if you try to begin a number with an underscore, it won't -even be understood as a number, it will be understood as a bareword, -which depending on the context may mean for example a string constant, -a function call, or a filehandle.) +You are allowed to use underscores (underbars) in numeric literals +between digits for legibility. You could, for example, group binary +digits by threes (as for a Unix-style mode argument such as 0b110_100_100) +or by fours (to represent nibbles, as in 0b1010_0110) or in other groups. String literals are usually delimited by either single or double quotes. They work much like quotes in the standard Unix shells: |