From: Greg Millam <ruby-talk@...>
Date: 2005-08-02T04:24:10+09:00
Subject: Re: Equivalent ruby for this perl?

IO.popen("#{COCOA_DIALOG} progressbar",'w') do |pbar|
  pbar.puts "5 We're at 5%"
end

or

pbar = IO.popen(...,'w')
pbar.puts "5 We're at 5%"
pbar.close

Hope that helps.

- Greg

Ezra Zygmuntowicz wrote:

>> Hey there list-
>>     I'm writing some simple gui's for some ruby scripts with Pashua  and
>> Cocoa Dialogs. I need a little help with a perl example that I  want to
>> convert to ruby. Any help is much appreciated.
>>
>> Here is the perl code:
>>
>> #!/usr/bin/perl -w
>>
>> use strict;
>> use IO::File;
>>
>> our $COCOA_DIALOG = "$ENV{HOME}/Applications/CocoaDialog.app/Contents/
>> MacOS/CocoaDialog";
>> die "$COCOA_DIALOG doesn't exist" unless -e $COCOA_DIALOG;
>>
>> ###
>> ### EXAMPLE 1
>> ###
>>
>> ### Open a pipe to the program
>> my $fh = IO::File->new("|$COCOA_DIALOG progressbar");
>> die "no fh" unless defined $fh;
>> $fh->autoflush(1);
>>
>> my $percent = 0;
>> for (my $percent = 0; $percent <= 100; $percent++) {
>>     if (!($percent % 5)) {
>>         ### Update the progressbar and its label every 5%
>>         print $fh "$percent we're at $percent%\n";
>>     } else {
>>         ### Update the progressbar every percent
>>         print $fh "$percent\n";
>>     }
>>     ### simulate a long operation
>>     1 for (0 .. 90_000);
>> }
>>
>> ### Close the filehandle to send an EOF
>> $fh->close();
>>
>>  Now the loops and most of the structure I am fine with. It's mainly
>> the IO::File->new part that I need to know the ruby equivalent of. It
>> is basically just a named pipe if I did it in a shell script. What is
>> the ruby command for a named pipe?
>>
>> Thanks-
>> -Ezra Zygmuntowicz
>> Yakima Herald-Republic
>> WebMaster
>> 509-577-7732
>> ezra@yakima-herald.com
>>
>>