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Full Discussion: Finding minimum maximum and average
Top Forums Shell Programming and Scripting Finding minimum maximum and average Post 302743991 by joeyg on Thursday 13th of December 2012 03:45:01 PM
Old 12-13-2012
Don't have time to think through it all, but...
The following strips out the [ and ] characters. There are most assuredly other ways also.

Code:
$ cat sample32.txt
Received message from [https://www.demandmatrix.net/app/dm/xml] in [939] milliseconds.
Received message from [https://www.demandmatrix.net/app/dm/xml] in [981] milliseconds.
Received message from [https://www.demandmatrix.net/app/dm/xml] in [447] milliseconds.
Received message from [https://www.demandmatrix.net/app/dm/xml] in [93] milliseconds.
Received message from [https://www.demandmatrix.net/app/dm/xml] in [123] milliseconds.
Received message from [https://www.demandmatrix.net/app/dm/xml] in [124] milliseconds.
Received message from [https://www.demandmatrix.net/app/dm/xml] in [89] milliseconds.
Received message from [https://www.demandmatrix.net/app/dm/xml] in [124] milliseconds.
Received message from [https://www.demandmatrix.net/app/dm/xml] in [103] milliseconds.
Received message from [https://www.demandmatrix.net/app/dm/xml] in [167] milliseconds.
Received message from [https://www.demandmatrix.net/app/dm/xml] in [179] milliseconds.
Received message from [https://www.demandmatrix.net/app/dm/xml] in [2498] milliseconds.
Received message from [https://www.demandmatrix.net/app/dm/xml] in [2505] milliseconds.

$ tr -d '[\[\]]' <sample32.txt | awk -F" " '{print $6}'
939
981
447
93
123
124
89
124
103
167
179
2498
2505

 

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LEARN ABOUT MOJAVE

system_profiler

SYSTEM_PROFILER(8)					    BSD System Manager's Manual 					SYSTEM_PROFILER(8)

NAME

     system_profiler -- reports system hardware and software configuration.

SYNOPSIS

     system_profiler [-usage]
     system_profiler [-listDataTypes]
     system_profiler [-xml] dataType1 ... dataTypeN
     system_profiler [-xml] [-detailLevel level]

DESCRIPTION

     system_profiler reports on the hardware and software configuration of the system.	It can generate plain text reports or XML reports which
     can be opened with System Information.app

     Progress and error messages are printed to stderr while actual report data is printed to stdout. Redirect stderr to /dev/null to suppress
     progress and error messages.

     The following options are available:

     -xml		 Generates a report in XML format.  If the XML report is redirected to a file with a ".spx" suffix that file can be opened
			 with System Information.app.

     -listDataTypes	 Lists the available datatypes.

     -detailLevel level  Specifies the level of detail for the report:

			 mini	       report with no personal information

			 basic	       basic hardware and network information

			 full	       all available information

     -timeout		 Specifies the maximum time to wait in seconds for results.  If some information is not available within the specified
			 time limit then an incomplete or partial report will be generated. The default timeout is 180 seconds. Specifying a time-
			 out of 0 means no timeout.

     -usage		 Prints usage info and examples.

EXAMPLES

     system_profiler
       Generates a text report with the standard detail level.

     system_profiler -detailLevel mini
       Generates a short report containing no personal information.

     system_profiler -listDataTypes
       Shows a list of the available data types.

     system_profiler SPSoftwareDataType SPNetworkDataType
       Generates a text report containing only software and network data.

     system_profiler -xml > MyReport.spx
       Creates a XML file which can be opened by System Profiler.app

AUTHORS

     Apple Computer, Inc.

Darwin								   June 30, 2003							    Darwin
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