I'm not sure why this "only works on Korn shell and not in command, but there are two possibilities:

Traditionally, Unix shells perform argument wildcard expansion (globbing) on the command line, while command.com and cmd.exe, the shells on Windows do not. If you want to perform globbing yourself, use the glob version, best as follows:

# Near the top of your program
use File::Glob qw(bsd_glob); # sane whitespace handling

my @files = glob('../INPUT/*');

[download]

The other possibility is that you have two programs called sort.exe and $ENV{PATH} is set differently between your ksh and your cmd.exe. The sort.exe program that comes with Windows is incompatible with the sort.exe program that behaves like the Unixish programs do. The easiest way to make sure that the "right" sort.exe program is invoked is to give the full path, maybe C:\\programs\\cygwin\\usr\\bin\\sort.exe, instead of calling it implicitly.

In reply to Re^3: Merge and sort large data by Corion
in thread Merge and sort large data by barbar

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