diff --git a/perl.html.markdown b/perl.html.markdown index da2e0cdf..aac95939 100644 --- a/perl.html.markdown +++ b/perl.html.markdown @@ -28,7 +28,8 @@ Perl 5 runs on over 100 platforms from portables to mainframes and is suitable f my $animal = "camel"; my $answer = 42; -# Scalar values can be strings, integers or floating point numbers, and Perl will automatically convert between them as required. +# Scalar values can be strings, integers or floating point numbers, and +# Perl will automatically convert between them as required. ## Arrays # An array represents a list of values: @@ -49,9 +50,11 @@ my %fruit_color = ( apple => "red", banana => "yellow", ); -# Scalars, arrays and hashes are documented more fully in perldata. (perldoc perldata). +# Scalars, arrays and hashes are documented more fully in perldata. +# (perldoc perldata). -# More complex data types can be constructed using references, which allow you to build lists and hashes within lists and hashes. +# More complex data types can be constructed using references, which allow you +# to build lists and hashes within lists and hashes. #### Conditional and looping constructs @@ -92,7 +95,9 @@ foreach (@array) { #### Regular expressions -# Perl's regular expression support is both broad and deep, and is the subject of lengthy documentation in perlrequick, perlretut, and elsewhere. However, in short: +# Perl's regular expression support is both broad and deep, and is the subject +# of lengthy documentation in perlrequick, perlretut, and elsewhere. +# However, in short: # Simple matching if (/foo/) { ... } # true if $_ contains "foo" @@ -112,8 +117,9 @@ open(my $in, "<", "input.txt") or die "Can't open input.txt: $!"; open(my $out, ">", "output.txt") or die "Can't open output.txt: $!"; open(my $log, ">>", "my.log") or die "Can't open my.log: $!"; -# You can read from an open filehandle using the "<>" operator. In scalar context it reads a single line from -# the filehandle, and in list context it reads the whole file in, assigning each line to an element of the list: +# You can read from an open filehandle using the "<>" operator. In scalar +# context it reads a single line from the filehandle, and in list context it +# reads the whole file in, assigning each line to an element of the list: my $line = <$in>; my @lines = <$in>;