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annotate-output (1)
  • >> annotate-output (1) ( Linux man: Команды и прикладные программы пользовательского уровня )
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    NAME

    annotate-output - annotate program output with time and stream
     
    

    SYNOPSIS

    annotate-output program [args ...]  

    DESCRIPTION

    annotate-output will execute the specified program, while prepending every line with the current time and O for stdout and E for stderr.

     

    EXAMPLE

    $ annotate-output make
    21:41:21 I: Started make
    21:41:21 O: gcc -Wall program.c
    21:43:18 E: program.c: Couldn't compile, and took me ages to find out
    21:43:19 E: collect2: ld returned 1 exit status
    21:43:19 E: make: *** [all] Error 1
    21:43:19 I: Finished with exitcode 2
    

     

    BUGS

    Since stdout and stderr are processed in parallel, it can happen that some lines received on stdout will show up before later-printed stderr lines (and vice-versa).

    This is unfortunately very hard to fix with the current annotation strategy. A fix would involve switching to PTRACE'ing the process. Giving nice a (much) higher priority over the executed program could however cause this behaviour to show up less frequently.

    The program does not work as well when the output is not linewise. In particular, when an interactive program asks for input, the question might not be shown until after you have answered it. This will give the impression that the annotated program has hung, while it has not.

    annotate-output does not currently accept any command-line options, so --help, --version, and that kind of stuff do not currently work (unless you install /usr/bin/--help ;) ).

     

    TODO

    Accept --help, --version command-line options.

    Get rich with this very sophisticated piece of bash.

     

    WEBSITE/SUPPORT

    The most recent version of this utility is on http://jeroen.A-Eskwadraat.nl/sw/annotate

    This program is community-supported (meaning: you'll need to fix it yourself). Patches are however appreciated, as is any feedback (positive or negative).

     

    AUTHOR

    annotate-output was written by Jeroen van Wolffelaar <jeroen@wolffelaar.nl> This manpage comes under the same copyright as annotate-output itself, read /usr/bin/annotate-output (or wherever you install it) for the details.


     

    Index

    NAME
    SYNOPSIS
    DESCRIPTION
    EXAMPLE
    BUGS
    TODO
    WEBSITE/SUPPORT
    AUTHOR


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