> On Fri, Jan 22, 2016 at 6:21 PM, Kenneth Wolcott > <kennethwolc...@gmail.com> wrote: >> Hi; >> >> I'm using a qx call to "net user username /DOMAIN" (probably should >> use system instead) to determine whether a person having an active >> account in an application is still an employee. >> >> I get two messages back (error and/or usage) when a username is not found. >> >> "The user name could not be found." >> >> and >> >> "More help is available by typing NET HELPMSG 2221." >> >> I'd like to hide (not display, not print) these two messages. >> >> Coming from a UNIX/Linux background, I'd do a "2>&1 > /dev/null" >> operation to dispose of STDOUT and STDERR, but "1<&2 > NUL" (suggested >> by >> >> "https://www.microsoft.com/resources/documentation/windows/xp/all/proddocs/en-us/redirection.mspx?mfr=true" >> >> does not seem to work. >> >> I tried file descriptor 3, but that resulted in an error regarding >> unsupported file handle,. or something like that. >> >> I was considering using IPC::Run3, but I don't think that will help >> with suppressing error message and usage message. >> >> Perhaps there is a Perl module that is native to Cygwin that will >> perform this kind of lookup for me? Maybe a Perl module that is NOT >> native to Cygwin? >> >> Thanks, >> Ken Wolcott >>
On Fri, Jan 22, 2016 at 3:34 PM, Erik Soderquist <eriksoderqu...@gmail.com> wrote: > In cygwin, I use >/dev/null 2>&1 quite frequently and it works as expected. > > In windows cmd.exe, I don't know why they would recommend the < part > for dealing with output, but I have used >NUL 2>&1 for the same effect > in Windows command shells. > > -- Erik Hi Erik; Thank you! ">/dev/null 2>&1" solved the problem of hiding the information I did not want displayed. Thanks, Ken -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple