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Redirecting Standard Error Csh


word is not subjected to variable, filename or command substitution, and each input line is compared to word before any substitutions are done on this input line. How to explain the concept of test automation to a team that only knows manual testing? If you read the second part of my answer (temporarily calling bash from csh, and now expanded with a concrete example to hopefully clarify), that does it just fine. –paxdiablo Jul So do 'xxx |& tee /dev/null' and this will have the effect of combining the streams, sending them to a fake file, BUT ALSO sending both to STDOUT on the screen have a peek at this web-site

At least in my bash. –Oliver Salzburg♦ May 23 '12 at 14:43 1 BTW, using > as a shell indicator is pretty confusing in your code snippets in the current Sending the data via tee to both standard output and /dev/null is no different to sending the data via cat to just standard output. Why do composite foreign keys need a separate unique constraint? For example 2>&1 redirects 2 (standard error) to 1 (standard output); if 1 has been redirected to a file, 2 goes there too. http://stackoverflow.com/questions/13720246/redirect-stderr-to-stdout-in-c-shell

Csh Redirect Stderr To Dev Null

The numbers refer to the file descriptor numbers (0 standard input, 1 standard output, 2 standard error). Thus, printing to stderr effectively :) –Oliver Salzburg♦ May 24 '12 at 9:35 That's not how it seems to work. (echo test > out) >& err writes 'test' to Does dropping a Coursera course look bad in a PhD application to the university offering the course? and have that change affect my current shell?

Forgotten Lost Highway (New Zealand ) - Is it advisable to do it in a rental car? In csh, you can redirect stdout with ">", or stdout and stderr together with ">&" but there is no direct way to redirect stderr only. This answer also demonstrates how to redirect them into a pipe. –chris Jul 3 '14 at 19:30 @chris, the question called for a way to direct stderr to the Zsh Redirect Stderr What the OP asked for cannot be done with csh, except using the trickery of temporarily calling a bash shell. –paxdiablo Jul 3 '14 at 14:51 1 While there is

What the OP asked for cannot be done with csh, except using the trickery of temporarily calling a bash shell. –paxdiablo Jul 3 '14 at 14:51 1 While there is Are the plane and the third dimensional space homeomorphic? The latter can be done with either the first part of my answer or this answer but there is no way for csh to do the former. http://sc.tamu.edu/help/general/unix/redirection.html Next Document: How do I tell inside .cshrc if I'm a login shell?

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Csh Ambiguous Output Redirect

current community blog chat Super User Meta Super User your communities Sign up or log in to customize your list. http://unix.stackexchange.com/questions/35715/stderr-redirection-not-working-in-csh Browse other questions tagged shell csh io-redirection or ask your own question. Csh Redirect Stderr To Dev Null I don't want to redirect the diagnostic output (stderr?) of a process, instead I want the normal output to appear on stdout. –Nate Parsons May 23 '12 at 15:30 Csh & Probably because I'm not Christian, I guess. –Celada Apr 22 '15 at 22:21 | show 1 more comment up vote 3 down vote 2> is not an operator in tcsh, you're

Not the answer you're looking for? http://supercgis.com/redirect-stderr/redirecting-standard-error-unix.html Limit Notation. I don't know what your goal is, but in cases where you can't be sure what shell the user is using, I've found that it's usually best to explicitly set it; I would suggest editing your answer and including it right in there so it's not so easily missed. –drs Jun 3 '14 at 23:46 add a comment| up vote 1 down Csh Tee Command

If you want to convert stdout to stderr but keep the command execution in the current shell, you can use bash only for the stdout-to-stderr redirection, like this: echo "An error Where's the 0xBEEF? Pipe one process's stdout and stderr to another's stdin This works just like a normal pipe, but stderr and stdout get combined onto stdout before passing into the next process's stdin: Source argv[1] : "?"); return 0; } Then a control script test.csh which will show it in action: #!/usr/bin/csh ps -ef ; echo ; echo $$ ; echo echo 'stdout (csh)' ./echo_err

Pretty simple operation, eh? Bash Redirection share|improve this answer answered Apr 22 '15 at 14:21 Carpetsmoker 7771421 Note that sh -c 'cmd 2> /dev/null' happens to work in all the shells of the Bourne, csh, Just keep in mind this isn't a csh feature.

Note that the default standard input for a command run detached is not the empty file /dev/null, but the original standard input of the shell.

Delayed effects after player's death Problems with amsmath How could a language that uses a single word extremely often sustain itself? Simply use the form |& rather than just |. name The file name is used as standard output. Csh If Statement Notation: SPACE(n) vs SPACE(O(n)) Problems with amsmath How do you say "enchufado" in English?

The 2>&1 in the bash command quite easily lets you redirect standard error to the current standard output (as desired) without prior knowledge of where standard output is currently going. This simple operation CANNOT BE DONE in the csh. more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed http://supercgis.com/redirect-stderr/redirecting-standard-error.html stdin is the place from which input comes to a process, stdout is the place where normal output goes, and stderr is the place where error or diagnostic output goes.

Simply use the form `|&' rather than just `|'. Disproving Euler proposition by brute force in C Cannot patch Sitecore initialize pipeline (Sitecore 8.1 Update 3) Bitwise rotate right of 4-bit value Are there other Pokemon with higher spawn rates Problem of display in tikz How to explain the concept of test automation to a team that only knows manual testing? Why is this happening to me?

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I try pkg_add emacs-23.4,2.tbz > output.log 2>&1 Again, when I press ↑, spaces have been added. echo test '>&2'? Please update this answer with this option. –mdiehl13 Aug 4 '15 at 21:19 @mdiehl13, actually, that's a good point and not one I'd considered. Up Next Previous Unix - Frequently Asked Questions (2/7) [Frequent posting]Section - How do I redirect stdout and stderr separately in csh?

You can combine the two streams into one if you send it to a pipeline with |&, then all you need to do is find a pipeline component that writes its SSH makes all typed passwords visible when command is provided as an argument to the SSH command more hot questions question feed lang-csh about us tour help blog chat data legal And let's assume this is on a machine where vi supports the --version option. asked 3 years ago viewed 56183 times active 1 year ago Blog Stack Overflow Podcast #92 - The Guerilla Guide to Interviewing Visit Chat Linked 1 bash “2>” not working turns

They, like my answer, showed a way to send both to a single stream but that's not the same thing. –paxdiablo Jun 10 '14 at 20:24 My apologies, I Either output-file or error-file may be `/dev/tty' to send output to the terminal. asked 4 years ago viewed 8980 times active 3 years ago Blog Stack Overflow Podcast #92 - The Guerilla Guide to Interviewing Related 3In tcsh, how can I silence the output You can redirect both standard output and error to a file with: xxx >& filename but that's not quite what you were after, redirecting standard error to the current standard output.

Does dropping a Coursera course look bad in a PhD application to the university offering the course? The first and second process's stderr goes to the terminal. Next week we'll look at Bourne shell redirection which is far more flexible. (And if you think csh is flexible If it helps, here is the output of tcsh --version: tcsh 6.18.01 (Astron) 2012-02-14 (i686-intel-linux) options wide,nls,dl,al,kan,rh,nd,color,filec io-redirection tcsh stderr share|improve this question edited Apr 22 '15 at 22:50 Gilles 374k696801129 So by all means vote it up, just be aware it doesn't answer the question.