From: Phrogz <phrogz@...>
Date: 2007-10-04T12:25:27+09:00
Subject: Re: Binary data, command output, and Ruby

For my last post on this topic, a simpler test case showing Ruby on OS
X behaving as expected, and Ruby on Windows...not.

====

Darwin Slim2.local 8.10.1 Darwin Kernel Version 8.10.1: Wed May 23
16:33:00 PDT 2007; root:xnu-792.22.5~1/RELEASE_I386 i386 i386
ruby 1.8.6 (2007-03-13 patchlevel 0) [i686-darwin8.9.1]

Slim2:~/Desktop phrogz$ cat put_bytes.rb
File.open( 'gkhead.jpg', 'rb' ){ |f| print f.read }

Slim2:~/Desktop phrogz$ cat get_bytes.rb
raw_bytes = File.open( 'gkhead.jpg', 'rb' ){ |f| f.read }
rcv_bytes = `ruby put_bytes.rb`
p raw_bytes.length, rcv_bytes.length

Slim2:~/Desktop phrogz$ ruby get_bytes.rb
21443
21443

====

Windows XP SP 2 (Microsoft Windows XP [Version 5.1.2600])
ruby 1.8.6 (2007-03-13 patchlevel 0) [i386-mswin32] (latest one-click
installer)

C:\Documents and Settings\gavin.kistner\Desktop>type put_bytes.rb
File.open( 'gkhead.jpg', 'rb' ){ |f| print f.read }

C:\Documents and Settings\gavin.kistner\Desktop>type get_bytes.rb
raw_bytes = File.open( 'gkhead.jpg', 'rb' ){ |f| f.read }
rcv_bytes = `ruby put_bytes.rb`
p raw_bytes.length, rcv_bytes.length

C:\Documents and Settings\gavin.kistner\Desktop>ruby get_bytes.rb
21443
5159