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Top Forums UNIX for Dummies Questions & Answers Dividing a column by it's first number Post 302533902 by cosmologist on Saturday 25th of June 2011 12:23:13 PM
Old 06-25-2011
Is there a way to get it divide the column by the first non-zero value in that column? Smilie ... some columns have the first 50+ entries = 0 ... I wonder if the first non zero value in the column can be found and divide the whole column by it?

Thanks!

Last edited by cosmologist; 06-25-2011 at 03:41 PM..
 

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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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