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Diffstat (limited to 'perl.html.markdown')
| -rw-r--r-- | perl.html.markdown | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/perl.html.markdown b/perl.html.markdown index 3c0699ad..1b86f410 100644 --- a/perl.html.markdown +++ b/perl.html.markdown @@ -12,16 +12,16 @@ Perl 5 is a highly capable, feature-rich programming language with over 25 years Perl 5 runs on over 100 platforms from portables to mainframes and is suitable for both rapid prototyping and large scale development projects. ```perl -# Single line comments start with a number symbol. +# Single line comments start with a number sign. #### Perl variable types -# Variables begin with the $ symbol. +# Variables begin with a sigil, which is a symbol showing the type. # A valid variable name starts with a letter or underscore, # followed by any number of letters, numbers, or underscores. -### Perl has three main variable types: scalars, arrays, and hashes. +### Perl has three main variable types: $scalar, @array, and %hash. ## Scalars # A scalar represents a single value: @@ -102,6 +102,8 @@ for (@elements) { print; } +# the Perlish post-condition way again +print for @elements; #### Regular expressions |