2016 Update

Task/Conditional-structures/Perl/conditional-structures-1.pl

@@ -0,0 +1,3 @@
+if ($expression) {
+    do_something;
+}

Task/Conditional-structures/Perl/conditional-structures-2.pl

@@ -0,0 +1,2 @@
+# postfix conditional
+do_something if $expression;

Task/Conditional-structures/Perl/conditional-structures-3.pl

@@ -0,0 +1,6 @@
+if ($expression) {
+    do_something;
+}
+else {
+    do_fallback;
+}

Task/Conditional-structures/Perl/conditional-structures-4.pl

@@ -0,0 +1,9 @@
+if ($expression1) {
+    do_something;
+}
+elsif ($expression2) {
+    do_something_different;
+}
+else {
+    do_fallback;
+}

Task/Conditional-structures/Perl/conditional-structures-5.pl

@@ -0,0 +1 @@
+$variable = $expression ? $value_for_true : $value_for_false;

Task/Conditional-structures/Perl/conditional-structures-6.pl

@@ -0,0 +1 @@
+$condition and do_something;  # equivalent to  $condition ? do_something : $condition

Task/Conditional-structures/Perl/conditional-structures-7.pl

@@ -0,0 +1 @@
+$condition or do_something;  # equivalent to  $condition ? $condition : do_something