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Full Discussion: Find number begins with 24
Top Forums UNIX for Beginners Questions & Answers Find number begins with 24 Post 302996548 by jim mcnamara on Thursday 27th of April 2017 07:08:51 AM
Old 04-27-2017
Code:
awk -F ','   '$18 ~ /^24/ { print $18 }' inputfile > outputfile

This prints 18th field where that field number - 18 - starts with a 24.


Your grep command does not match what you actually need, and neglected to mention the field requirement. It helps both you and the people helping you to give enough information to start with. The more you assume the less we can help you.

Code:
wc -l

counts lines it does not print field #18. If you want find how many lines match then pipe the output of the above awk into wc -l
 

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cfourcc(1)							   User Commands							cfourcc(1)

NAME
cfourcc - tool for changing FourCC in Microsoft RIFF AVI files SYNOPSIS
cfourcc [-i] <file.avi> cfourcc -u <CODE> <file.avi> OPTIONS
-h Show summary of options. -d CODE Sets FOURCC codec decription string. -f Force changing FOURCC on unsupported file -i Display FOURCC information (default). -u CODE Set FOURCC codec. None. DESCRIPTION
Program identifies the codec used in AVI files (*.avi) and allows the user to change the FourCC description code (like fourcc-changer in Windows). Useful for people working with Microsoft AVI file. A Linux clone of AviC fourcc changer tool. EXAMPLES
Note that you only need to change the -u codec field most of the time and not touch the -d description: cfourcc -u DIVX -d DIVX file.avi ENVIRONMENT
None. FILES
None. SEE ALSO
ffmpeg(1) mplayer(1) AUTHORS
cfourcc was written by Mohammad Hafiz bin Ismail aka "mypapit" <info@mypapit.net>. This manual page was written by Jarno Elonen <elonen@debian.org>, for the Debian project (but may be used by others). Updated by Jari Aalto <jari.aalto@cante.net>. Released under license GNU GPL v2 or (at your option) any later version. For more information about license, visit <http://www.gnu.org/copyleft/gpl.html>. cfourcc 2012-04-02 cfourcc(1)
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