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45 lines
1.3 KiB
Perl
45 lines
1.3 KiB
Perl
#!/usr/local/bin/perl -w
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use Tk;
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use strict;
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our($filename, $info);
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my $mw = MainWindow->new;
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# Create necessary widgets
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my $f = $mw->Frame->pack(-side => 'top', -fill => 'x');
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$f->Label(-text => "Filename:")->pack(-side => 'left', -anchor => 'w');
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$f->Entry(-textvariable => \$filename)->
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pack(-side => 'left', -anchor => 'w', -fill => 'x', -expand => 1);
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$f->Button(-text => "Exit", -command => sub { exit; } )->
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pack(-side => 'right');
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$f->Button(-text => "Save", -command => \&save_file)->
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pack(-side => 'right', -anchor => 'e');
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$f->Button(-text => "Load", -command => \&load_file)->
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pack(-side => 'right', -anchor => 'e');
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$mw->Label(-textvariable => \$info, -relief => 'ridge')->
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pack(-side => 'bottom', -fill => 'x');
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my $t = $mw->Scrolled("Text")->pack(-side => 'bottom',
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-fill => 'both', -expand => 1);
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MainLoop;
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sub load_file {
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$info = "Loading file '$filename'...";
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$t->delete("1.0", "end");
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if (!open(FH, "$filename")) {
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$t->insert("end", "ERROR: Could not open $filename\n");
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return;
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}
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while (<FH>) {
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$t->insert("end", $_);
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}
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close (FH);
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$info = "File '$filename' loaded";
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}
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sub save_file {
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$info = "Saving '$filename'";
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open (FH, ">$filename");
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print FH $t->get("1.0", "end");
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$info = "Saved.";
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} |