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Full Discussion: fill in last column of data
Top Forums Shell Programming and Scripting fill in last column of data Post 302603037 by timert34 on Wednesday 29th of February 2012 02:33:08 AM
Old 02-29-2012
fill in last column of data

Hello,

I am fairly new to awk, and I have the following problem.

My file has missing data in the last column, and the program I am pre-processing this file for cannot interpret correctly shortened rows (it just wraps the data around).

Is there a way to force awk to create the same number of columns for each row (based on the number of headers in the first row), even if the column is blank? Or, alternatively, how can I fill in missing data in the last column with "N/A" or something like that.

Thank you for your help.
 

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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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