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Top Forums Shell Programming and Scripting Script to place selected columns from a group of files side by side in a new file Post 302286802 by ks_reddy on Thursday 12th of February 2009 01:53:19 AM
Old 02-12-2009
Pasting the columns in new file as it is... Urgent...

I want to place the selected column(s) from all the files (e.g. col 2 from all files together) from a directory, not just two files....

I tried this command: paste | awk '{print $2}' *
But I got the output one after the other in a new file.

$2 from 1st file
$2 from 2nd file
.............. so on..

But what I need is $2 from 1st file <tab> $2 from 2nd file<tab> ..............so on....

I have thousands of files with me All are similar files. They contains 34 columns and 1000 rows. Please help me...

Finally I need to plot one column from one file against the other columns from other files depending on the column header.
 

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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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