Hi,
I'm used to successful system() calls returning zero, but I'm finding one (apparently) successful call that's returning 256: 
C:\_32\pscrpt>type t1.txt
Hello

C:\_32\pscrpt>type t2.txt
World

C:\_32\pscrpt>perl -wle "$ret = system 'diff', '-u', 't1.txt', 't2.txt
+';print $ret; print $?"
--- t1.txt      Mon Jun  6 22:42:29 2011
+++ t2.txt      Mon Jun  6 22:42:42 2011
@@ -1 +1 @@
-Hello
+World
256
256

[download]
Why would that system 'diff',... call be returning that value ?

Cheers,
Rob

In reply to [Win32] Successful system() call returns 256 by syphilis

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