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Full Discussion: Writing out 2nd column into one file from multiple files
Top Forums Shell Programming and Scripting Writing out 2nd column into one file from multiple files Post 302364772 by subhap on Friday 23rd of October 2009 07:54:13 PM
Old 10-23-2009
Sorry about the confusion.. here is the details. My script generates data every 20 minutes.

File #1
USER maria
RUN 5
WAIT 6
DONE 7
QUEUE short
TOTAL 10

USER bob
RUN 7
WAIT 3
DONE 2
QUEUE long
TOTAL 8

After 20 minutes
File #2
USER maria
RUN 2
WAIT 4
DONE 3
QUEUE short
TOTAL 12

USER bob
RUN 4
WAIT 5
DONE 5
QUEUE long
TOTAL 13

At the end of 2 hours the concatenated file would look like this

USER maria, maria, maria, maria, maria, maria
RUN 5, 2, 5, 6, 7, 9
WAIT 6, 2, 4, 6, 7, 8
DONE 7, 2, 4, 5, 7, 8
QUEUE short, short, short, short, short, short
TOTAL 10, 12, 13, 14, 15, 16

USER bob, bob, bob, bob, bob, bob
RUN 7, 4, 5, 6, 8, 9, 10
WAIT 3, 4, 6, 8, 2, 4
DONE 2, 3, 4, 2, 4, 2
QUEUE long, long, long, long, long, long
TOTAL 8, 10, 12, 13, 14, 16

Hope this illustration makes it clearer..

thank you
 

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LEARN ABOUT DEBIAN

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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