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Diffstat (limited to 'chromium/third_party/cygwin/lib/perl5/5.10/pods/perlcheat.pod')
| -rw-r--r-- | chromium/third_party/cygwin/lib/perl5/5.10/pods/perlcheat.pod | 93 |
1 files changed, 0 insertions, 93 deletions
diff --git a/chromium/third_party/cygwin/lib/perl5/5.10/pods/perlcheat.pod b/chromium/third_party/cygwin/lib/perl5/5.10/pods/perlcheat.pod deleted file mode 100644 index 07853a8056d..00000000000 --- a/chromium/third_party/cygwin/lib/perl5/5.10/pods/perlcheat.pod +++ /dev/null @@ -1,93 +0,0 @@ -=head1 NAME - -perlcheat - Perl 5 Cheat Sheet - -=head1 DESCRIPTION - -This 'cheat sheet' is a handy reference, meant for beginning Perl -programmers. Not everything is mentioned, but 195 features may -already be overwhelming. - -=head2 The sheet - - CONTEXTS SIGILS ARRAYS HASHES - void $scalar whole: @array %hash - scalar @array slice: @array[0, 2] @hash{'a', 'b'} - list %hash element: $array[0] $hash{'a'} - &sub - *glob SCALAR VALUES - number, string, reference, glob, undef - REFERENCES - \ references $$foo[1] aka $foo->[1] - $@%&* dereference $$foo{bar} aka $foo->{bar} - [] anon. arrayref ${$$foo[1]}[2] aka $foo->[1]->[2] - {} anon. hashref ${$$foo[1]}[2] aka $foo->[1][2] - \() list of refs - NUMBERS vs STRINGS LINKS - OPERATOR PRECEDENCE = = perl.plover.com - -> + . search.cpan.org - ++ -- == != eq ne cpan.org - ** < > <= >= lt gt le ge pm.org - ! ~ \ u+ u- <=> cmp tpj.com - =~ !~ perldoc.com - * / % x SYNTAX - + - . for (LIST) { }, for (a;b;c) { } - << >> while ( ) { }, until ( ) { } - named uops if ( ) { } elsif ( ) { } else { } - < > <= >= lt gt le ge unless ( ) { } elsif ( ) { } else { } - == != <=> eq ne cmp for equals foreach (ALWAYS) - & - | ^ REGEX METACHARS REGEX MODIFIERS - && ^ string begin /i case insens. - || $ str. end (before \n) /m line based ^$ - .. ... + one or more /s . includes \n - ?: * zero or more /x ign. wh.space - = += -= *= etc. ? zero or one /g global - , => {3,7} repeat in range /o cmpl pat. once - list ops () capture - not (?:) no capture REGEX CHARCLASSES - and [] character class . == [^\n] - or xor | alternation \s == whitespace - \b word boundary \w == word characters - \z string end \d == digits - DO \S, \W and \D negate - use strict; DON'T - use warnings; "$foo" LINKS - my $var; $$variable_name perl.com - open() or die $!; `$userinput` use.perl.org - use Modules; /$userinput/ perl.apache.org - - FUNCTION RETURN LISTS - stat localtime caller SPECIAL VARIABLES - 0 dev 0 second 0 package $_ default variable - 1 ino 1 minute 1 filename $0 program name - 2 mode 2 hour 2 line $/ input separator - 3 nlink 3 day 3 subroutine $\ output separator - 4 uid 4 month-1 4 hasargs $| autoflush - 5 gid 5 year-1900 5 wantarray $! sys/libcall error - 6 rdev 6 weekday 6 evaltext $@ eval error - 7 size 7 yearday 7 is_require $$ process ID - 8 atime 8 is_dst 8 hints $. line number - 9 mtime 9 bitmask @ARGV command line args - 10 ctime just use @INC include paths - 11 blksz POSIX:: 3..9 only @_ subroutine args - 12 blcks strftime! with EXPR %ENV environment - -=head1 ACKNOWLEDGEMENTS - -The first version of this document appeared on Perl Monks, where several -people had useful suggestions. Thank you, Perl Monks. - -A special thanks to Damian Conway, who didn't only suggest important changes, -but also took the time to count the number of listed features and make a -Perl 6 version to show that Perl will stay Perl. - -=head1 AUTHOR - -Juerd Waalboer <#####@juerd.nl>, with the help of many Perl Monks. - -=head1 SEE ALSO - - http://perlmonks.org/?node_id=216602 the original PM post - http://perlmonks.org/?node_id=238031 Damian Conway's Perl 6 version - http://juerd.nl/site.plp/perlcheat home of the Perl Cheat Sheet |