langs a-z

Task/Conditional-structures/PowerShell/conditional-structures-2.psh

@@ -0,0 +1,30 @@
+# standard switch
+switch ($var) {
+    1 { "Value was 1" }
+    2 { "Value was 2" }
+    default { "Value was something else" }
+}
+
+# switch with wildcard matching
+switch -Wildcard ($var) {
+    "a*" { "Started with a" }
+    "*x" { "Ended with x" }
+}
+
+# switch with regular expression matching
+switch -Regex ($var) {
+    "[aeiou]" { "Contained a consonant" }
+    "(.)\1" { "Contained a character twice in a row" }
+}
+
+# switch allows for scriptblocks too
+switch ($var) {
+    { $_ % 2 -eq 0 } { "Number was even" }
+    { $_ -gt 100 }   { "Number was greater than 100" }
+}
+
+# switch allows for handling a file
+switch -Regex -File somefile.txt {
+    "\d+" { "Line started with a number" }
+    "\s+" { "Line started with whitespace" }
+}