Add polyglot recipes to justfile

justfile

@@ -16,7 +16,27 @@ create:
 	mkdir -p tmp
 	echo 'int printf(const char*, ...); int main() { char *s = "int printf(const char*, ...); int main() { char *s = %c%s%c; printf(s, 34, s, 34); return 0; }"; printf(s, 34, s, 34); return 0; }' > tmp/gen0.c
 
-
 # clean up
 clean:
 	rm -r tmp
+
+python:
+	#!/usr/bin/env python3
+	print('Hello from python!')
+
+js:
+	#!/usr/bin/env node
+	console.log('Greetings from JavaScript!')
+
+perl:
+	#!/usr/bin/env perl
+	print "Larry Wall says Hi!\n";
+
+sh:
+	#!/usr/bin/env sh
+	hello='Yo'
+	echo "$hello from a shell script!"
+
+ruby:
+	#!/usr/bin/env ruby
+	puts "Hello from ruby!"