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Top Forums Shell Programming and Scripting awk comparison and substitution Post 302573634 by waddle on Tuesday 15th of November 2011 06:31:32 AM
Old 11-15-2011
The script should chek FileA[1] for a line containing a value greater or equal to a value, in this example 3.5. If this is true, the original value should be printed, if it's false, this specific value (in this example in line 1 of FileA[1]) should be replaced with the corresponding value in FileB, here line1 (since its FileA[1]), column 1 (first value in FileA). Again, notice that the corresponding values are listed in one column in FileA and one line in FileB.

I hope, it's better to understand now...
 

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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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