diff --git a/modules/compiler_vm/languages/bash.pm b/modules/compiler_vm/languages/bash.pm
index f1f55d71..083bb57c 100755
--- a/modules/compiler_vm/languages/bash.pm
+++ b/modules/compiler_vm/languages/bash.pm
@@ -14,10 +14,6 @@ sub initialize {
   $self->{default_options} = '';
   $self->{cmdline}         = 'bash $options $sourcefile';
 
-  if (length $self->{arguments}) {
-    $self->{cmdline} .= " $self->{arguments}";
-  }
-
   $self->{cmdline_opening_comment} = ": <<'____CMDLINE____'\n";
   $self->{cmdline_closing_comment} = "____CMDLINE____\n";
 
diff --git a/modules/compiler_vm/languages/go.pm b/modules/compiler_vm/languages/go.pm
index 880d794d..b883d063 100755
--- a/modules/compiler_vm/languages/go.pm
+++ b/modules/compiler_vm/languages/go.pm
@@ -13,10 +13,6 @@ sub initialize {
   $self->{execfile}        = 'prog';
   $self->{default_options} = '';
   $self->{cmdline}         = 'go $options run $sourcefile';
-
-  if (length $self->{arguments}) {
-    $self->{cmdline} .= " $self->{arguments}";
-  }
 }
 
 1;
diff --git a/modules/compiler_vm/languages/haskell.pm b/modules/compiler_vm/languages/haskell.pm
index 31c70e38..1f031055 100755
--- a/modules/compiler_vm/languages/haskell.pm
+++ b/modules/compiler_vm/languages/haskell.pm
@@ -14,10 +14,6 @@ sub initialize {
   $self->{default_options} = '';
   $self->{cmdline}         = 'ghc -v0 $options -o $execfile $sourcefile';
 
-  if (length $self->{arguments}) {
-    $self->{cmdline} .= " $self->{arguments}";
-  }
-
   $self->{cmdline_opening_comment} = "{-|\n=============== CMDLINE ===============\n";
   $self->{cmdline_closing_comment} = "=============== CMDLINE ===============\n-}\n";
 
diff --git a/modules/compiler_vm/languages/javascript.pm b/modules/compiler_vm/languages/javascript.pm
index 01c20485..dfd5c98b 100755
--- a/modules/compiler_vm/languages/javascript.pm
+++ b/modules/compiler_vm/languages/javascript.pm
@@ -14,10 +14,6 @@ sub initialize {
   $self->{default_options} = '';
   $self->{cmdline}         = 'd8 $options $sourcefile';
 
-  if (length $self->{arguments}) {
-    $self->{cmdline} .= " $self->{arguments}";
-  }
-
   $self->{cmdline_opening_comment} = "/************* CMDLINE *************\n";
   $self->{cmdline_closing_comment} = "************** CMDLINE *************/\n";
 
diff --git a/modules/compiler_vm/languages/ksh.pm b/modules/compiler_vm/languages/ksh.pm
index f61ab457..e89494d0 100755
--- a/modules/compiler_vm/languages/ksh.pm
+++ b/modules/compiler_vm/languages/ksh.pm
@@ -14,10 +14,6 @@ sub initialize {
   $self->{default_options} = '';
   $self->{cmdline}         = 'ksh $options $sourcefile';
 
-  if (length $self->{arguments}) {
-    $self->{cmdline} .= " $self->{arguments}";
-  }
-
   $self->{cmdline_opening_comment} = ": <<'____CMDLINE____'\n";
   $self->{cmdline_closing_comment} = "____CMDLINE____\n";
 
diff --git a/modules/compiler_vm/languages/lua.pm b/modules/compiler_vm/languages/lua.pm
index ccec5fd5..944ac13c 100755
--- a/modules/compiler_vm/languages/lua.pm
+++ b/modules/compiler_vm/languages/lua.pm
@@ -14,10 +14,6 @@ sub initialize {
   $self->{default_options} = '';
   $self->{cmdline}         = 'lua $options $sourcefile';
 
-  if (length $self->{arguments}) {
-    $self->{cmdline} .= " $self->{arguments}";
-  }
-
   $self->{cmdline_opening_comment} = "--[[--------------- CMDLINE ---------------\n";
   $self->{cmdline_closing_comment} = "------------------- CMDLINE ---------------]]\n";
 
diff --git a/modules/compiler_vm/languages/python.pm b/modules/compiler_vm/languages/python.pm
index 0d9ef3ab..fe5d0c2d 100755
--- a/modules/compiler_vm/languages/python.pm
+++ b/modules/compiler_vm/languages/python.pm
@@ -14,10 +14,6 @@ sub initialize {
   $self->{default_options} = '';
   $self->{cmdline}         = 'python $options $sourcefile';
 
-  if (length $self->{arguments}) {
-    $self->{cmdline} .= " $self->{arguments}";
-  }
-
   $self->{cmdline_opening_comment} = "'''\n=============== CMDLINE ===============\n";
   $self->{cmdline_closing_comment} = "=============== CMDLINE ===============\n'''\n";
 
diff --git a/modules/compiler_vm/languages/python3.pm b/modules/compiler_vm/languages/python3.pm
index 031490de..13aeab8b 100755
--- a/modules/compiler_vm/languages/python3.pm
+++ b/modules/compiler_vm/languages/python3.pm
@@ -14,10 +14,6 @@ sub initialize {
   $self->{default_options} = '';
   $self->{cmdline}         = 'python3 $options $sourcefile';
 
-  if (length $self->{arguments}) {
-    $self->{cmdline} .= " $self->{arguments}";
-  }
-
   $self->{cmdline_opening_comment} = "'''\n=============== CMDLINE ===============\n";
   $self->{cmdline_closing_comment} = "=============== CMDLINE ===============\n'''\n";
 
diff --git a/modules/compiler_vm/languages/ruby.pm b/modules/compiler_vm/languages/ruby.pm
index 47f4c53c..9a564583 100755
--- a/modules/compiler_vm/languages/ruby.pm
+++ b/modules/compiler_vm/languages/ruby.pm
@@ -10,8 +10,6 @@ use strict;
 package ruby;
 use parent '_default';
 
-use Text::ParseWords qw(shellwords);
-
 sub initialize {
   my ($self, %conf) = @_;
 
@@ -19,51 +17,6 @@ sub initialize {
   $self->{execfile}        = 'prog.rb';
   $self->{default_options} = '-w';
   $self->{cmdline}         = 'ruby $options $sourcefile';
-
-  if (length $self->{arguments}) {
-    $self->{cmdline} .= " $self->{arguments}";
-  }
-}
-
-sub preprocess_code {
-  my $self = shift;
-  $self->SUPER::preprocess_code;
-
-  if (defined $self->{arguments}) {
-    my @args = shellwords($self->{arguments});
-    my $prelude .= "\nmy \$arglen = " . (scalar @args) . ";\n";
-
-    if (@args) {
-      $prelude .= "my \@args = (";
-
-      my $comma = "";
-      foreach my $arg (@args) {
-        $arg = quotemeta $arg;
-        $prelude .= "$comma\"$arg\"";
-        $comma = ", ";
-      }
-
-      $prelude .= ");\n";
-    } else {
-      $prelude .= "my \@args;\n";
-    }
-
-    $self->{code} = "$prelude\n$self->{code}";
-  }
-}
-
-sub postprocess_output {
-  my $self = shift;
-  $self->SUPER::postprocess_output;
-
-  $self->{output} =~ s/\s+at $self->{sourcefile} line \d+, near ".*?"//;
-  $self->{output} =~ s/\s*Execution of $self->{sourcefile} aborted due to compilation errors.//;
-
-  $self->{cmdline_opening_comment} = "=cut =============== CMDLINE ===============\n";
-  $self->{cmdline_closing_comment} = "=cut\n";
-
-  $self->{output_opening_comment} = "=cut =============== OUTPUT ===============\n";
-  $self->{output_closing_comment} = "=cut\n";
 }
 
 1;
diff --git a/modules/compiler_vm/languages/tcl.pm b/modules/compiler_vm/languages/tcl.pm
index f3a219e8..e64427de 100755
--- a/modules/compiler_vm/languages/tcl.pm
+++ b/modules/compiler_vm/languages/tcl.pm
@@ -14,10 +14,6 @@ sub initialize {
   $self->{default_options} = '';
   $self->{cmdline}         = 'tclsh $options $sourcefile';
 
-  if (length $self->{arguments}) {
-    $self->{cmdline} .= " $self->{arguments}";
-  }
-
   $self->{cmdline_opening_comment} = "set CMDLINE {\n";
   $self->{cmdline_closing_comment} = "}\n";
 
diff --git a/modules/compiler_vm/languages/zsh.pm b/modules/compiler_vm/languages/zsh.pm
new file mode 100755
index 00000000..d69eb842
--- /dev/null
+++ b/modules/compiler_vm/languages/zsh.pm
@@ -0,0 +1,24 @@
+#!/usr/bin/env perl
+
+use warnings;
+use strict;
+
+package zsh;
+use parent '_default';
+
+sub initialize {
+  my ($self, %conf) = @_;
+
+  $self->{sourcefile}      = 'prog.zsh';
+  $self->{execfile}        = 'prog.zsh';
+  $self->{default_options} = '';
+  $self->{cmdline}         = 'zsh $options $sourcefile';
+
+  $self->{cmdline_opening_comment} = ": <<'____CMDLINE____'\n";
+  $self->{cmdline_closing_comment} = "____CMDLINE____\n";
+
+  $self->{output_opening_comment} = ": << '____OUTPUT____'\n";
+  $self->{output_closing_comment} = "____OUTPUT____\n";
+}
+
+1;