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Full Discussion: grep based on pattern in a line and print the column before that
Top Forums Shell Programming and Scripting grep based on pattern in a line and print the column before that Post 302659505 by kalidass on Thursday 21st of June 2012 05:11:11 AM
Old 06-21-2012
Java grep based on pattern in a line and print the column before that
Code:
$ cat file.log
Message Number = [ ]: Sending message 10:50:16^|^reqhdr.dummyid^=^02^|^reqhdr.timezone^=^GMT+05:30^|^DUMMYREQUEST^=^BH||||||||||||||||||$BD|OL|C|V||DummyAcctNo|02||24/12/2011|ST_DDM|DDM||||||||reqUUID110612105016$BT||||||||||||||||||$] Length [472]

I have the above line in the file.log

My requirement is to find in which column the reqUUID110612105016$BT is present(column delimiter is | ) and i need to find the column number of DummyAcctNo field and display the value in that column.

The clue here is there is 12 columns inbetween reqUUID110612105016$BT and DummyAcctNo column with delimiter as |

In simple words, The only input i know is reqUUID110612105016$BT and i need to display the output as DummyAcctNo.

Pl help. I have no idea what to do.
 

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LEARN ABOUT LINUX

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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