Add tasks for all the new languages

Task/Environment-variables/Lasso/environment-variables.lasso

@@ -0,0 +1,15 @@
+#!/usr/bin/lasso9
+
+define getenv(sysvar::string) => {
+	local(regexp = regexp(
+		-find = `(?m)^` + #sysvar + `=(.*?)$`,
+		-input = sys_environ -> join('\n'),
+		-ignorecase
+	))
+	return #regexp ->find ? #regexp -> matchString(1)
+}
+
+stdoutnl(getenv('HOME'))
+stdoutnl(getenv('PATH'))
+stdoutnl(getenv('USER'))
+stdoutnl(getenv('WHAT'))