Add sh, ksh and python3 languages

modules/compiler_vm/languages/ksh.pm

@@ -0,0 +1,18 @@
+#!/usr/bin/env perl
+
+use warnings;
+use strict;
+
+package ksh;
+use parent '_default';
+
+sub initialize {
+  my ($self, %conf) = @_;
+
+  $self->{sourcefile}      = 'prog.ksh';
+  $self->{execfile}        = 'prog.ksh';
+  $self->{default_options} = '';
+  $self->{cmdline}         = 'ksh $options $sourcefile';
+}
+
+1;

modules/compiler_vm/languages/python3.pm

@@ -0,0 +1,18 @@
+#!/usr/bin/env perl
+
+use warnings;
+use strict;
+
+package python3;
+use parent '_default';
+
+sub initialize {
+  my ($self, %conf) = @_;
+
+  $self->{sourcefile}      = 'prog.py3';
+  $self->{execfile}        = 'prog.py3';
+  $self->{default_options} = '';
+  $self->{cmdline}         = 'python3 $options $sourcefile';
+}
+
+1;

modules/compiler_vm/languages/sh.pm

@@ -0,0 +1,18 @@
+#!/usr/bin/env perl
+
+use warnings;
+use strict;
+
+package sh;
+use parent '_default';
+
+sub initialize {
+  my ($self, %conf) = @_;
+
+  $self->{sourcefile}      = 'prog.sh';
+  $self->{execfile}        = 'prog.sh';
+  $self->{default_options} = '';
+  $self->{cmdline}         = 'sh $options $sourcefile';
+}
+
+1;