perl: add page (#1142)

pages/common/perl.md

@@ -0,0 +1,23 @@
+# perl
+
+> The Perl 5 language interpreter.
+
+- Parse and execute a `script.pl`:
+
+`perl {{script.pl}}`
+
+- Parse and execute a `perl_statement`:
+
+`perl -e {{perl_statement}}`
+
+- Check syntax errors on `script.pl`:
+
+`perl -c {{script.pl}}`
+
+- Import module before execution:
+
+`perl -M{{module}} -e {{perl_statement}}`
+
+- Run `script.pl` in debug mode using `perldebug`:
+
+`perl -d {{script.pl}}`