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Top Forums Shell Programming and Scripting Output first unique record in csv file Post 302882837 by Yoda on Thursday 9th of January 2014 10:31:27 AM
Old 01-09-2014
Using awk:
Code:
awk 'NR==1||!A[$1]++' file

or simply:
Code:
awk '!A[$1]++' file

This User Gave Thanks to Yoda For This Post:
 

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REC2CSV(1)							   User Commands							REC2CSV(1)

NAME
rec2csv - rec to csv converter SYNOPSIS
rec2csv [OPTIONS]... [REC_FILE] DESCRIPTION
Convert rec data into csv data. -t, --type=TYPE record set to convert to csv; if this parameter is omitted then the default record set is used -S, --sort=FIELD sort the output by the specified field. --help print a help message and exit. --version show version and exit. AUTHOR
Written by Jose E. Marchesi. REPORTING BUGS
Report bugs to: bug-recutils@gnu.org GNU recutils home page: <http://www.gnu.org/software/recutils/> General help using GNU software: <http://www.gnu.org/gethelp/> COPYRIGHT
Copyright (C) 2010, 2011, 2012 Jose E. Marchesi. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>. This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. SEE ALSO
The full documentation for rec2csv is maintained as a Texinfo manual. If the info and rec2csv programs are properly installed at your site, the command info rec2csv should give you access to the complete manual. rec2csv 1.4.93 January 2012 REC2CSV(1)
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