awk to extract value from column using variable Post: 302973423

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can awk print column using a variable ??

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Hi I have a log file which has outputs like the one below conn=24,196 op=1 RESULT err=0 tag=0 nentries=9 etime=3,712 dbtime=0 mem=486,183,328/2,147,483,648 Now most of the time I am only interested in the time ( the first column) and a column that begins with etime i.e...

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This is a example TXT file: ID CDR1 CDR2 CDR3 1 CDR1 CDR3 2 CDR1 CDR2 CDR3 3 CDR3 What I want to do is extract the fourth column with awk, however, there are some blank space in some field. I get wrong result when it print out awk result. awk '{print $1,$4}'...

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awk - Extract 4 lines in Column to Rows Tab Delimited between tags

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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

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

can awk print column using a variable ??

Discussion started by: jambesh

2. Shell Programming and Scripting

How to extract a column from two different files in AWK?

Discussion started by: solracq

3. UNIX for Dummies Questions & Answers

Using GREP/AWK to extract a number and store it as a variable

Discussion started by: modey3

4. Shell Programming and Scripting

awk/sed to extract column bases on partial match

Discussion started by: pkabali