UNIX ON-LINE Man Pages - Die Onlinehilfe

Die Syntax von Unixbefehlen wird in den entsprechenden Manpages dokumentiert. Hier können Sie diese Onlinehilfe für viele Standardbefehle abrufen.

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English(3pm)           Perl Programmers Reference Guide           English(3pm)

       English - use nice English (or awk) names for ugly punctuation

           use English qw( -no_match_vars ) ;  # Avoids regex performance penalty
           use English;
           if ($ERRNO =~ /denied/) { ... }

       This module provides aliases for the built-in variables whose names no
       one seems to like to read.  Variables with side-effects which get
       triggered just by accessing them (like $0) will still be affected.

       For those variables that have an awk version, both long and short
       English alternatives are provided.  For example, the $/ variable can be
       referred to either $RS or $INPUT_RECORD_SEPARATOR if you are using the
       English module.

       See perlvar for a complete list of these.

       This module can provoke sizeable inefficiencies for regular
       expressions, due to unfortunate implementation details.  If performance
       matters in your application and you don't need $PREMATCH, $MATCH, or
       $POSTMATCH, try doing

          use English qw( -no_match_vars ) ;

       .  It is especially important to do this in modules to avoid penalizing
       all applications which use them.

perl v5.12.1                      2010-04-26                      English(3pm)

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Gedruckt am: 19.10.2017 18:35 GMT+0200 (2017-10-19T18:35:26+02:00)