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| '''Perl''' is a scripting language for Unix systems. It borrowed and built upon the syntax of Unix tools like [[Ed|ed]] and [[Awk|awk]], and in turn inspired the '''PCRE''' ('''Perl Compatible Regular Expressions''') and '''PCRE2''' libraries. This article refers to '''Perl 5''', not [[raku||Perl 6 a.k.a. Raku]]. |
'''`perl(1)`''' is a scripting language for Unix systems. It inspired the '''PCRE''' ('''Perl Compatible Regular Expressions''') and '''PCRE2''' libraries. |
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| Execute this file by running: {{{ perl hello.pl }}} `perl(1)` is better known for its powerful yet obfuscated syntax, especially in the spirit of Bash one-liners. As an example (credit to [[https://groups.google.com/g/comp.lang.perl.misc/c/nK-lswsaMec/m/DBL87v4FxOwJ|Randal L. Schwartz]]): {{{ perl <<<'print join " ", reverse split " ", "hacker, Perl another Just"' }}} Or more humorously (credit to [[https://www.cpan.org/misc/japh|Raymond Chen]]): {{{ perl <<<'$_="krJhruaesrltre c a cnP,ohet";$_.=$1,print$2while s/(..)(.)//;' }}} |
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| * [[Perl/Ddclient|ddclient]] | * [[Perl/Ddclient|ddclient]] ---- == See also == [[https://perldoc.perl.org/|perldoc]], the webhosted documentation [[https://man.archlinux.org/man/perl.1perl|perl(1perl)]] |
Perl
perl(1) is a scripting language for Unix systems. It inspired the PCRE (Perl Compatible Regular Expressions) and PCRE2 libraries.
Contents
Example
print "Hello, World!\n";
Execute this file by running:
perl hello.pl
perl(1) is better known for its powerful yet obfuscated syntax, especially in the spirit of Bash one-liners. As an example (credit to Randal L. Schwartz):
perl <<<'print join " ", reverse split " ", "hacker, Perl another Just"'
Or more humorously (credit to Raymond Chen):
perl <<<'$_="krJhruaesrltre c a cnP,ohet";$_.=$1,print$2while s/(..)(.)//;'
Servers and Applications
See also
perldoc, the webhosted documentation