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Full Discussion: Define Aliases to tail many logs
Top Forums Shell Programming and Scripting Define Aliases to tail many logs Post 302423648 by curleb on Friday 21st of May 2010 02:57:42 PM
Old 05-21-2010
doesn't tail -f require a console...? Not sure if it can be relied upon without an interactive window...

Meanwhile, methyl's suggestion is entirely valid, but before giving up entirely on the multi-pronged effort...you might want to note the syntax errors on the alias suggestions given above and correct these to csh syntax:
Code:
% alias my_date="date +%d%m%Y_%H%M;"

% echo $my_date
my_date: Undefined variable

% set my_date="date +%d%m%Y_%H%M;"

% alias spc1 'echo $my_date '             

% spc1
date +%d%m%Y_%H%M;

% set my_date `date +%d%m%Y_%H%M;`
set: Syntax error

% set my_date=`date +%d%m%Y_%H%M;`

% alias spc1 'echo $my_date '

% spc1
21052010_1439

% touch /tmp/$my_date.log

% ls -lgo /tmp/2*.log
-rw-rw----   1       0 May 21 14:47 /tmp/21052010_1439.log

 

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LEARN ABOUT DEBIAN

vusb-analyzer

VUSB-ANALYZER(1)					       Virtual USB Analyzer						  VUSB-ANALYZER(1)

NAME

       vusb-analyzer - tool for visualizing logs of USB packets

SYNOPSIS

       vusb-analyzer [OPTIONS] LOGFILE [LOGFILE...]

DESCRIPTION

       The  Virtual  USB Analyzer is tool for visualizing logs of USB packets, from hardware or software USB sniffer tools. It's the world's first
       tool to provide a graphical visualization along with raw hex dumps and high-level protocol analysis.

       The Virtual USB Analyzer is not itself a USB sniffer tool. It is just a user interface for visualizing logs. It currently supports two  log
       formats,  but  it's designed to be easily extensible. With a couple hundred lines of Python code, you can add support for your favorite log
       format.

       The Virtual USB Analyzer was developed at VMware as an efficient way to debug their own USB virtualization stack. They wanted a	tool  that
       made  it easy to see problems at a glance, and they wanted a way to solve both correctness and performance bugs. As a result, they ended up
       with what they think is a fairly unique tool. They're excited to have the opportunity to release this tool as open source software.

       Supported Log Formats

       * Logged USB traffic from debug builds of VMware Fusion, Workstation, or Player. See the tutorial for information on capturing such a log.

       * XML logs from the Ellisys USB Explorer 200, a hardware USB 2.0 analyzer.

       Features

       * Unique graphical timeline view.

       * Side-by-side diff mode: visually compare two log files.

       * Pluggable log format modules: VMware, Ellisys.

       * Pluggable protocol decoders: USB Chapter 9, Bluetooth, Storage, Cypress FX2.

       * Packet metrics and filtering tools.

       * Whole-bus analysis: analyze multiple devices concurrently.

       * Written in Python, with a GTK+ user interface.

       * Automatic "tail -f" mode: follow log files as they grow.

       * Loads large log files in the background. You can start browsing before the whole file is loaded into memory.

       * Automatic decompression of gzipped log files.

OPTIONS

       -t  Tail mode, start from the end of a growing log file.

HOMEPAGE

       More information about vusb-analyzer, including a tutorial and sample logs, can be found at <http://vusb-analyzer.sourceforge.net/>.

AUTHOR

       vusb-analyzer Micah Dowty <micah@vmware.com>.

       This manual page was written by Daniel Baumann <daniel@debian.org>, for the Debian project (but may be used by others).

1.0								    2009-05-17							  VUSB-ANALYZER(1)
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