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Josh Says: March 4th, 2009 at 9:04 pm DutchUncle, that doesn't sound right. comments powered by Disqus Author: Gabor Szabo Gabor provides training and development services. But this is exactly what I was looking for. That's the way to go if you want to build a new file every time.

The result will be an empty logfile. So on the screen you will see only the content of the Standard Error: Could not open file If you open the out.txt file (e.g. script "some script" 2>null The above stops outputing of the DEBUG messages without making any changes in the code for that script. I wanted to make a output with more than one line, here it is the right way, at least worked for me, Im Running Windows 7) echo cls>output.txt echo @echo off>>output.txt http://www.robvanderwoude.com/battech_redirection.php

Dos Redirect Error Output To File

I then looked for ways to optionally display the output instead of piping to logfile, and this seemed to work. Gari Says: February 24th, 2010 at 4:22 pm I need a help.I have to make a DOS batch file. Note that this operator, which appends the content to the file, still works to create the file if it doesn't exist. Thanks a lot!

Use 1>&2 to send text to Standard Error. Max Says: May 5th, 2010 at 4:14 am Thanks. That's because we redirected the Standard Error stream to the NUL device, but the ECHO command sent its output to the Standard Output stream, which was not redirected. Dos Error 4 Any clues?

The general idea was this: CTTY NUL ECHO Echo whatever you want, it won't be displayed on screen no matter what. The command I use is FTP -n -s:C:\Script.txt I want to log the results of this so I can ensure the file was properly uploaded… so I change the command to Many thanks, Adam -- @echo off :: Defrag script c: cd \ set output=c:\_scripts\defrag.log if "%1″ == "con" set output=con echo Defragging your hard drive, please allow to run.. http://stackoverflow.com/questions/1420965/redirect-stdout-and-stderr-to-a-single-file Thanks for the article!!

Can two different firmware files have same md5 sum? Dos Error Level Zero Emission Tanks Saffron and coloration - is there a way to know why it gave the wrong color? Moderator: DosItHelp Post new topic Reply to topic Page 1 of 1 [ 8 posts ] Print view Previous topic | Next topic Author Message Rubl7 Post subject: How-to hide From within the Perl program, you can print to each one of these channels by putting STDOUT or STDERR right after the print keyword: print STDOUT "Welcome to our little program\n";

Dos Batch Redirect Error Output

I like the run in the background option though. http://steve-jansen.github.io/guides/windows-batch-scripting/part-4-stdin-stdout-stderr.html Your article is a gift for me! Dos Redirect Error Output To File Why doesn't Rey sell BB8? Dos Error 5 So to have no output try: yourcommand >nul 2>&1 I hope that explains for you.

Regards. Found you through Google. asked 7 years ago viewed 187048 times active 12 months ago Get the weekly newsletter! It doesn't look like the "&" works the same way when attached to a "|" instead of a ">". Dos Error 64

Besides being used for redirection to the NUL device, with CTTYCOM1 the control could be passed on to a terminal on serial port COM1. Guido. How to print error messages? Ok, now that we get the idea of this concept of "streams", let's play with it.

Top Profile Reply with quote Rubl7 Post subject: Re: How-to hide error output from Reg Query command?PostPosted: 27 May 2013 07:58 Offline Joined: 10 Mar 2013 06:16 Posts: 5 Dos Error Code 1 So you get a cumulative logfile, showwing the results from all runs of the process - typically more useful. For example, this syntax works, but would fail if the second or subsequent (piped) lines were indented with a space: @Echo Off echo abc def |^ find "abc" |^ find "def">

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Turn "echo on" to see, what happens. Unix/Linux/Windows support? And, no, I'm not Steve Jansen the British jazz drummer, though that does sound like a sweet career. Dos Error 53 This is exactly what I needed to debug a tricky problem in my CVS server scripts.

That still does not explain it imho. –MarioDS Nov 3 '15 at 12:04 @MDeSchaepmeester, if you do dir 2>&1 > a.txt, you're first redirecting (>) stream 2 (stderr) to Josh Says: August 29th, 2007 at 11:44 am I'm glad it was helpful!! Then I went into my compiler IDE and put a line like cmd call foo.bat in the "post-build" command slot. By the way - I've been doing things like this in batch files since DOS.