First, create an executable echo_err that will write a string to stderr: #include
name The file name is used as standard output. cmd 2>/dev/null Works in the Bourne shell. If the square root of two is irrational, why can it be created by dividing two numbers? Not the answer you're looking for? http://stackoverflow.com/questions/13720246/redirect-stderr-to-stdout-in-c-shell
share|improve this answer edited Oct 25 '14 at 20:36 Jonathan Callen 31018 answered Apr 3 '13 at 3:44 slm♦ 167k40305474 We have a winner. asked 1 year ago viewed 2350 times active 1 year ago Blog Stack Overflow Podcast #92 - The Guerilla Guide to Interviewing Linked 14 determine shell in script during runtime Related In the following example, myprog, which was written to read standard input and write standard output, is redirected to read myin and write myout. $ myprog < myin > myout You
Does WiFi traffic from one client to another travel via the access point? share|improve this answer edited Apr 7 '12 at 1:35 answered Apr 4 '12 at 17:20 Craig 49924 +1 and ✔. And that is what I see in bash, zsh, ksh, and dash. $ vi --xxx 2> /dev/null $ vi --version 2> /dev/null VIM - Vi IMproved 7.4 (2013 Aug 10, compiled Tcsh & Not the answer you're looking for?
Redirection may fail under some circumstances: 1) if you have the variable noclobber set and you attempt to redirect output to an existing file without forcing an overwrite, 2) if you Csh Redirect Stderr To File If the shell variable noclobber is set, then the file must not exist or be a character special file (e.g., a terminal or `/dev/null') or an error results. What's a Racist Word™? http://unix.stackexchange.com/questions/35715/stderr-redirection-not-working-in-csh Related 2Difference between > and | with /dev/tty6the usage of < /dev/null & in the command line4“>/dev/null 2>&1” in `if` statement7Is this redirecting to /dev/null?53Is >&- more efficient than >/dev/null?3Meaning of
Why is the bridge on smaller spacecraft at the front but not in bigger vessel? Csh Tee Command For reference see the Advanced Bash-Scripting Guide. and have that change affect my current shell? 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
In this case the `!' forms can be used to suppress this check. http://unix.stackexchange.com/questions/80629/redirect-both-stderr-and-stdout-to-dev-null-with-bin-sh To redirect STDOUT to a file: pkg_add emacs-23.4,2.tbz > stdout.log To redirect STDOUT and STDERR to a file: pkg_add emacs-23.4,2.tbz > & stdxxx.log To redirect STDOUT to a file and hide Csh Redirect Stderr To Dev Null Are the plane and the third dimensional space homeomorphic? Csh Ambiguous Output Redirect So I updated it with that option, but thanks for the info, it helped a lot. –paxdiablo Aug 5 '15 at 1:16 @paxdiablo, I didn't realize you could use
Not the answer you're looking for? If the file does not exist then it is created; if the file exists, it is truncated, its previous contents being lost. What is way to eat rice with hands in front of westerners such that it doesn't appear to be yucky? http://supercgis.com/redirect-stderr/redirect-standard-error-to-standard-out-batch.html Using >!
And let's assume this is on a machine where vi supports the --version option. Zsh Redirect Stderr The forms involving `&' route the diagnostic output into the specified file as well as the standard output. Consider the following commands: vi --version and vi --xxx.
Genitive vs Ablative of Price Can a secure cookie be set from an insecure HTTP connection? How is being able to break into any linux machine through grub2 secure? However, there is another method. Missing Name For Redirect Csh UNIX is a registered trademark of The Open Group.
share|improve this answer edited Aug 2 '13 at 10:43 Anthon 47.7k1462126 answered Aug 2 '13 at 10:22 Alexander Samoylov 111 add a comment| Your Answer draft saved draft discarded Sign Are illegal immigrants more likely to commit crimes? Maybe script makeall do something strange and csh can't redirect some of output to file. –marcin Mar 27 '15 at 11:19 Can you add the makeall script to your have a peek here However, I'm not sure tee is the right tool for the job.
Functions 2>&- The general form of this one is M>&-, where "M" is a file descriptor number. What does Toph's wanted poster say? The form of a command with standard input and output redirection is: $ command -[options] [arguments] < input file > output file Redirection may fail under some circumstances: 1) if you I can only redirect one of the outputs, not both at the same time.
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 Anti-static wrist strap around your wrist or around your ankle? It redirects file descriptor 1 (STDOUT) to /dev/null. If it produces an error please provide that here.
What to do with my pre-teen daughter who has been out of control since a severe accident? Then you can use the rich redirections of that shell for the more complex cases where csh may struggle. 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. always forces the file to be overwritten.
Errors from this are in out. What are the difficulties of landing on an upslope runway Delayed effects after player's death How is this red/blue effect created?