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I prefer separate files which require less parsing but as I said, whatever makes your boat floating :) –quizac Dec 8 '14 at 11:02 how do you switch back How to deal with a very weak student? share|improve this answer edited Oct 7 '10 at 5:44 David Johnstone 14k115467 answered Mar 12 '09 at 9:17 dirkgently 74.1k1293162 6 Somebody should restore to the second edit of this Are there any 'smart' ejection seats? this contact form

no, do not subscribeyes, replies to my commentyes, all comments/replies instantlyhourly digestdaily digestweekly digest Or, you can subscribe without commenting. Put '2>&1' after '>file.log' and it works. –Lars Wirzenius Mar 12 '09 at 9:25 1 Good point, I seem to have been doing this wrong all these years... EOF These are 2 things: a redirection (here-document title="End of file">EOF) a pathname expansion which MAY generate commandline arguments to cat These things are independent. but is there a way to make sense of this or should I treat this like an atomic bash construct? –flybywire May 18 '09 at 8:15 135 It's simple redirection,

Bash Redirect Error Output To File

Subscribed! Will the medium be able to last 100 years? You can also use 1 instead of 2 so that stdout gets redirected to the 'file' share|improve this answer answered Sep 24 '11 at 5:53 PaulDaviesC 512822 add a comment| Your asked 5 years ago viewed 579937 times active 6 months ago Linked 728 How can I redirect and append both stdout and stderr to a file with Bash? 1 Redirecting the

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There are always three default files [1] open, stdin (the keyboard), stdout (the screen), and stderr (error messages output
  • The way to go portable (similar to the appending answers) always was and still is >outfile 2>&1 –TheBonsai May 18 '09 at 4:48 add a comment| 6 Answers 6 active oldest
  • Hot Network Questions Subtraction with a negative result I accepted a counter offer and regret it: can I go back and contact the previous company?
  • The here-string will append a newline (\n) to the data.
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  • It will make STDERR point to STDOUT and then change STDOUT to something else (without touching STDERR) Here is a more detailed tutorial covering both those misconceptions http://wiki.bash-hackers.org/howto/redirection_tutorial Reply Link iek asked 7 years ago viewed 344714 times active 7 months ago Visit Chat Linked 463 Redirect all output to file 38 Linux (Bash): Redirect all output to file 1 Redirecting stdout asked 7 years ago viewed 30698 times active 2 years ago Linked 1 Where does stderr file dumps its content to? 0 Duplicating stderr compilation output into separare file Related 2882Can Bash Redirect Standard Error Browse other questions tagged bash pipe stderr or ask your own question.

    up vote 728 down vote favorite 190 To redirect stdout to a truncated file in Bash, I know to use: cmd > file.txt To redirect stdout in Bash, appending to a Bash Redirect Error To Variable This functionality is provided by 'tee' command which can write/append to several file descriptors(files, sockets, pipes, etc) at once: tee FILE1 FILE2 ... >(cmd1) >(cmd2) ... It's free: ©2000-2016 nixCraft. Unix & Linux Stack Exchange works best with JavaScript enabled Bash Hackers Wiki Home Search Tools Site Tools Recent Changes Media Manager Sitemap Page Tools Show pagesource Old revisions Backlinks Back

    Please click the link in the confirmation email to activate your subscription. Bash Redirect Stderr To Dev Null share|improve this answer edited Mar 12 '09 at 9:33 answered Mar 12 '09 at 9:17 Guðmundur H 4,82621519 add a comment| up vote 19 down vote Curiously, this works: yourcommand &> Not the answer you're looking for? Natural construction What does the "Phi" sign stand for in musical notation?

    Bash Redirect Error To Variable

    If N is omitted, stdout is assumed (FD 1). Appending redirected output N >> TARGET This redirects the file descriptor number N to the target TARGET. Bash Redirect Error Output To File What it does: 3>&1 creates a new file handle 3 which is set to the current 1 (original stdout) just to save it somewhere. 1>&2- sets stdout to got to the Bash Redirect Error Output To /dev/null It does appear to be working on my machine which runs Gnu bash v3.2.48. –James Wald Apr 10 '14 at 7:32 5 @CostiCiudatu the &>> operator does not seem to

    Not the answer you're looking for? weblink What are the canonical white spaces? What is {} called in bash. share|improve this answer edited Dec 16 '11 at 14:57 Chadwick 8,69353461 answered Dec 16 '11 at 14:24 kccqzy 618515 add a comment| Your Answer draft saved draft discarded Sign up Bash Redirect Error To Stdout

    Their difference is the convention that a program outputs payload on stdout and diagnostic- and error-messages on stderr. How could banks with multiple branches work in a world without quick communication? It can be used to suppress any output. navigate here Why don't most major game engines use gifs for animated textures?

    Additionally it will not append to the file but it will overwrite it. –pabouk May 31 '14 at 12:38 Correct: File descriptor could be any values which is more Bash Redirect Stderr And Stdout To Same File Join them; it only takes a minute: Sign up How can I redirect and append both stdout and stderr to a file with Bash? If those answers do not fully address your question, please ask a new question.

    You would think bash would have a command along the lines of: proc1 2| proc2 But, alas, no.

    sorry for that : ( Here comes some additional tips. 0, 1, 2...9 are file descriptors in bash. 0 stands for stdin, 1 stands for stdout, 2 stands for stderror. 3~9 Can Customs make me go back to return my electronic equipment or is it a scam? Sebastian Mar 27 '14 at 17:56 | show 1 more comment up vote 13 down vote This should work fine: your_command 2>&1 | tee -a file.txt It will store all logs Bash Redirect Stderr And Stdout To Different Files share|improve this answer edited Oct 10 '15 at 18:30 whoan 4,56541437 answered Aug 2 '15 at 10:55 Jerry 7 4 This is the same answer as already posted here several

    Why write an entire bash script in functions? echo 1234567890 > File # Write string to "File". both doing the same thing ? –ARH Mar 18 '13 at 3:23 17 &> file (aka >& file) is not part of the official POSIX shell spec, but has been http://waspsoft.com/bash-redirect/bash-error-redirect.html Problem with using pause and onslide in one frame Will the medium be able to last 100 years?

    Next Previous Contents 3. add a comment| 10 Answers 10 active oldest votes up vote 712 down vote accepted That part is written to stderr, use 2> to redirect it. If N is omitted, stdout is assumed (FD 1). monitor) stderr2standard error output stream (usually also on monitor) The terms "monitor" and "keyboard" refer to the same device, the terminal here.

    Fixed as per your suggestion. –paxdiablo Jun 27 '13 at 14:37 trying to get gcc's make (which is colorized on my system) to work with this "( make 3>&1 If you have to use operands (e.g. asked 3 years ago viewed 17389 times active 4 months ago Linked 0 redirect all errors of my script into errors.txt Related 2redirecting std output and std error6Can redirecting stdout and bad_command3 # Error message echoed to stderr, #+ and does not appear in $ERRORFILE. # These redirection commands also automatically "reset" after each line. #=======================================================================

    Reuti, 2011/09/21 08:05 I highly suggest to remove the paragraph with: alternative (by closing both filedescriptors): Command >&+2>&+ This is not working as one might expect: the error about not being it's the top level script output you need to redirect. The tag you use must be the only word in the line, to be recognized as end-of-here-document marker. bash stdout stderr share|improve this question asked Oct 19 '12 at 12:25 ronnie 233238 add a comment| 2 Answers 2 active oldest votes up vote 6 down vote accepted The line

    bash -x ./setup.sh > setup.txt 2>&1. Why write an entire bash script in functions? spectral norm of block-wise sums of matrices what is the difference between \twocolumn and \documentclass[twocolumn]{book} Good way to explain fundamental theorem of arithmetic? Just something to keep in mind.

    Join them; it only takes a minute: Sign up Redirect all output to file [duplicate] up vote 463 down vote favorite 141 This question already has an answer here: How can What does Sauron need with mithril? First, a redirection into cat using a "here string". What are the holes on the sides of a computer case frame for?

    See also http://www.vincebuffalo.com/2013/08/08/the-mighty-named-pipe.html Real name: E-Mail: Website: Enter your comment.