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.TH ANNOTATE-OUTPUT 1 "Debian Utilities" "DEBIAN" \" -*- nroff -*- |
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.SH NAME |
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annotate-output \- annotate program output with time and stream
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.SH SYNOPSIS |
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10.2.10
by James Vega, James Vega, Patrick Schoenfeld, Ryan Niebur, Adam D. Barratt
The "Welcome to the New Year" release. |
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\fBannotate\-output\fR [\fIoptions\fR] \fIprogram\fR [\fIargs\fR ...] |
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.SH DESCRIPTION |
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\fBannotate\-output\fR will execute the specified program, while |
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prepending every line with the current time and O for stdout and E for |
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stderr. |
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10.2.10
by James Vega, James Vega, Patrick Schoenfeld, Ryan Niebur, Adam D. Barratt
The "Welcome to the New Year" release. |
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.SH OPTIONS |
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.TP
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\fB+FORMAT\fR |
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Controls the timestamp format, as per \fBdate\fR(1). Defaults to |
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"%H:%M:%S". |
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.TP
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\fB\-h\fR, \fB\-\-help\fR |
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Display a help message and exit successfully. |
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.SH EXAMPLE |
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.nf
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$ annotate-output make |
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21:41:21 I: Started make |
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21:41:21 O: gcc \-Wall program.c
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21:43:18 E: program.c: Couldn't compile, and took me ages to find out |
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21:43:19 E: collect2: ld returned 1 exit status |
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21:43:19 E: make: *** [all] Error 1 |
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21:43:19 I: Finished with exitcode 2 |
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.fi
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.SH BUGS |
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Since stdout and stderr are processed in parallel, it can happen that |
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some lines received on stdout will show up before later-printed stderr |
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lines (and vice-versa). |
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This is unfortunately very hard to fix with the current annotation |
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strategy. A fix would involve switching to PTRACE'ing the process. |
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Giving nice a (much) higher priority over the executed program could |
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however cause this behaviour to show up less frequently. |
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The program does not work as well when the output is not linewise. In |
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particular, when an interactive program asks for input, the question |
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might not be shown until after you have answered it. This will give |
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the impression that the annotated program has hung, while it has not. |
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10.2.10
by James Vega, James Vega, Patrick Schoenfeld, Ryan Niebur, Adam D. Barratt
The "Welcome to the New Year" release. |
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.SH "SEE ALSO" |
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\fBdate\fR(1) |
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.SH SUPPORT |
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This program is community-supported (meaning: you'll need to fix it |
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yourself). Patches are however appreciated, as is any feedback |
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(positive or negative). |
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.SH AUTHOR |
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\fBannotate-output\fR was written by Jeroen van Wolffelaar |
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10.9.22
by Benjamin Drung, Christoph Berg, James McCoy, Dmitry Smirnov, Paul Wise, Benjamin Drung, Cyril Brulebois, Tony Mancill, David Prévot, Josselin Mouette, Raphael Geissert, Regid Ichira, Colin Watson
[ Christoph Berg ] |
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<jeroen@wolffelaar.nl>. This manpage comes under the same copyright as |
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annotate-output itself, read /usr/bin/annotate-output (or wherever |
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you install it) for the details. |