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Full Discussion: Sequence of conditions awk
Top Forums UNIX for Dummies Questions & Answers Sequence of conditions awk Post 302941509 by senhia83 on Thursday 16th of April 2015 02:27:51 PM
Old 04-16-2015
Isnt this a simple case of else if ? Loop would be better of course if i runs from 1 to 13, but for checking specific columns it may be better to use else if .

Code:
awk 'NR==FNR{array[$1]=$2;next}
                     { if ( $1 in array ) { $5=array[$1]}
                      else if ($2 in array) { $5=array[$2] }
                      else if ($3 in array) { $5=array[$3] }1' file1 file2

 

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LEARN ABOUT FREEBSD

colrm

COLRM(1)						    BSD General Commands Manual 						  COLRM(1)

NAME

     colrm -- remove columns from a file

SYNOPSIS

     colrm [start [stop]]

DESCRIPTION

     The colrm utility removes selected columns from the lines of a file.  A column is defined as a single character in a line.  Input is read
     from the standard input.  Output is written to the standard output.

     If only the start column is specified, columns numbered less than the start column will be written.  If both start and stop columns are spec-
     ified, columns numbered less than the start column or greater than the stop column will be written.  Column numbering starts with one, not
     zero.

     Tab characters increment the column count to the next multiple of eight.  Backspace characters decrement the column count by one.

ENVIRONMENT

     The LANG, LC_ALL and LC_CTYPE environment variables affect the execution of colrm as described in environ(7).

EXIT STATUS

     The colrm utility exits 0 on success, and >0 if an error occurs.

SEE ALSO

     awk(1), column(1), cut(1), paste(1)

HISTORY

     The colrm command appeared in 3.0BSD.

BSD
								  August 4, 2004							       BSD
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