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- #!/usr/bin/perl
- # make an executable file
-
- use strict;
- use warnings;
-
- sub usage; sub mkexec; sub guesstype; sub guesspurpose;
- sub getcmd; sub launch_editor;
-
- my $DEFAULT_TYPE = 'sh';
- my $DEFAULT_MODE = 0755;
- my $DEFAULT_FORCE = 0;
- my $DEFAULT_EDIT = 0;
-
-
- ## .... ## . . . . . . . . . . .
- ## INIT ## -------------------------------------------------------------------
- ## '''' ## ' ' ' ' ' ' ' ' ' ' '
-
- my $force = $DEFAULT_FORCE;
- my $edit = $DEFAULT_EDIT;
- my $name; my $type; my $purpose;
-
- foreach (@ARGV) {
- if (m/-f|--force/) {
- $force++;
- } elsif (m/-e|--edit/) {
- $edit++;
- } elsif (defined $type) {
- $purpose = $_;
- } elsif (defined $name) {
- $type = $_;
- } else {
- $name = $_;
- }
- }
-
- usage unless defined $name;
- $type = guesstype $name unless defined $type;
- $purpose = guesspurpose $name unless defined $purpose;
-
- my $bangs = {
- pl => `which perl`,
- sh => '/bin/sh',
- py => `which python`,
- bash => '/bin/bash',
- sed => `which sed`,
- bc => `which bc`
- };
-
- my $templates = {
- py => {
- '' => "if __name__ == '__main__':\n",
- test => "import unittest\n\n\n"
- . "class TestCase(unittest.TestCase):\n"
- . " pass\n\n\n"
- . "if __name__ == '__main__':\n"
- ." unittest.main()\n",
- },
- pl => {
- '' => "use strict;\nuse warnings;\n",
- test => "use strict;\nuse warnings;\nuse Test::More;\n\n",
- },
- bash => {
- 'ffoo' => "\n. \$(ffoom path) || exit 3\n\n"
- . "ffoo import pretty\n\n"
- . "FFOO_DEBUG=true",
- }
- };
-
- my $editors = [ qw/ vim editor / ];
- my $cmds;
- $cmds->{vim}->{test} = "vim --version 2>/dev/null";
- $cmds->{vim}->{run} = "vim +\"normal G\$\" '%s'";
- $cmds->{editor}->{test} = "editor --version 2>/dev/null";
- $cmds->{editor}->{run} = "editor '%s'";
-
- unless ($purpose eq ""
- or exists $templates->{$type}->{$purpose}) {
- warn "undefined purpose '$purpose' for type '$type'\n";
- $purpose = "";
- }
-
-
- ## ... ## # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
- ## RUN ## ----------------------------------------------------------------- #
- ## ''' ## # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
-
- if (exists $bangs->{$type}) {
- $force and -e $name
- and (defined `cp "$name" "$name~"` or die $!);
- (not -e $name or $force)
- and mkexec $name, mkbody($type, $purpose);
- chmod $DEFAULT_MODE, $name;
- launch_editor $name if $edit;
- } else {
- die "unknown type: $type\n";
- }
-
-
- ## .... ## ''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''-.
- ## SUBZ ## ----------------------------------------------------------------- :
- ## '''' ## ..............................................................-'
-
- sub usage {
- print STDERR "usage: $0 [-f|-e] filename [type] [purpose]\n";
- exit 0;
- }
-
- sub guesstype {
- my $name = shift;
- my ($ext) = $name =~ m|\.(\w+)$|;
- return ( $ext ? $ext : $DEFAULT_TYPE);
- }
-
- sub guesspurpose {
- my $name = shift;
- my $testword = '[tT][eE][sS][tT]';
- return 'test' if $name =~ m|^test_|i;
- return 'test' if $name =~ m|_test.py$|i;
- return 'test' if $name =~ m|_test.pl$|i;
- return 'test' if $name =~ m|\btest\w*/|i;
- return 'test' if $name =~ m|.*Test/|i;
- return 'test' if $name =~ m|\bt/|;
- return ''
- }
-
- sub mkbody {
- my $type = shift;
- my $purpose = shift;
- my $tmpl = "";
- $tmpl .= $templates->{$type}->{$purpose}
- if exists $templates->{$type}
- and exists $templates->{$type}->{$purpose};
- return sprintf "#!%s\n%s\n", $bangs->{$type}, $tmpl;
- }
-
- sub mkexec {
- my ($name, $body) = @_;
- open EXE, ">", $name or die "cannot open $name for writing: $!\n";
- -W EXE or die "file $name is not writable\n";
- print EXE $body;
- close EXE or die "cannot close $name: $!\n";
- }
-
- sub get_cmd {
- foreach (@$editors) {
- return $cmds->{$_}->{run} if `$cmds->{$_}->{test}`
- }
- warn "no supported editor available\n";
- return;
- }
-
- sub launch_editor {
- my $name = shift;
- my $form = get_cmd;
- if ($form) {
- my $command = sprintf get_cmd, $name;
- exec "$command";
- } else { return }
- warn "failed to launch editor: $form\n";
- }
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