adambard/learnxinyminutes-docs
1
1
Fork 0
mirror of https://github.com/adambard/learnxinyminutes-docs.git synced 2024-12-25 00:06:47 +03:00
Code Issues Projects Releases Wiki Activity

tamed indentation/whitespace

Browse Source
This commit is contained in:
Mark Canlas 2015-06-10 00:00:12 +02:00
parent e07c4e7b8b
commit 75ecb5aa81
1 changed files with 23 additions and 21 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

44
perl.html.markdown
View File

@ -47,9 +47,9 @@ my %fruit_color = ("apple", "red", "banana", "yellow");
# You can use whitespace and the "=>" operator to lay them out more nicely: # You can use whitespace and the "=>" operator to lay them out more nicely:
my %fruit_color = ( my %fruit_color = (
apple => "red", apple => "red",
banana => "yellow", banana => "yellow",
); );
# Scalars, arrays and hashes are documented more fully in perldata. # Scalars, arrays and hashes are documented more fully in perldata.
# (perldoc perldata). # (perldoc perldata).
@ -60,17 +60,17 @@ my %fruit_color = (
# Perl has most of the usual conditional and looping constructs. # Perl has most of the usual conditional and looping constructs.
if ( $var ) { if ($var) {
... ...
} elsif ( $var eq 'bar' ) { } elsif ($var eq 'bar') {
... ...
} else { } else {
... ...
} }
unless ( condition ) { unless (condition) {
... ...
} }
# This is provided as a more readable version of "if (!condition)" # This is provided as a more readable version of "if (!condition)"
# the Perlish post-condition way # the Perlish post-condition way
@ -78,19 +78,19 @@ print "Yow!" if $zippy;
print "We have no bananas" unless $bananas; print "We have no bananas" unless $bananas;
# while # while
while ( condition ) { while (condition) {
... ...
} }
# for and foreach # for and foreach
for ($i = 0; $i <= $max; $i++) { for ($i = 0; $i <= $max; $i++) {
... ...
} }
foreach (@array) { foreach (@array) {
print "This element is $_\n"; print "This element is $_\n";
} }
#### Regular expressions #### Regular expressions
@ -129,9 +129,11 @@ my @lines = <$in>;
# Writing subroutines is easy: # Writing subroutines is easy:
sub logger { sub logger {
my $logmessage = shift; my $logmessage = shift;
open my $logfile, ">>", "my.log" or die "Could not open my.log: $!";
print $logfile $logmessage; open my $logfile, ">>", "my.log" or die "Could not open my.log: $!";
print $logfile $logmessage;
} }
# Now we can use the subroutine just as any other built-in function: # Now we can use the subroutine just as any other built-in function: