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Full Discussion: replacing string in a column on a specific line
Top Forums UNIX for Dummies Questions & Answers replacing string in a column on a specific line Post 302336614 by skinnygav on Wednesday 22nd of July 2009 12:32:25 PM
Old 07-22-2009
replacing string in a column on a specific line
hi,

i currently have a file with columns similar to this

customer name owed
CID123 John 300
CID342 harry 500

at present i use use awk to find the amount owed by the customer using the customer ID (CID).

if the customer spends more money how would i go about using sed/awk etc to modify the amount they owe? (all the arithmetic is already working, i just need to know how to append the new value to the file under the owed column for the correct customer)

thanks for any pointers
skinnygav
 

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LEARN ABOUT SUNOS

compver

compver(4)							   File Formats 							compver(4)

NAME

       compver - compatible versions file

DESCRIPTION

       compver	is an ASCII file used to specify previous versions of the associated package which are upward compatible. It is created by a pack-
       age developer.

       Each line of the file specifies a previous version of the associated package with which the current version is backward compatible.

       Since some packages may require installation of a specific version of another software package, compatibility information is extremely cru-
       cial.  Consider,  for  example, a package called "A" which requires version "1.0" of application "B" as a prerequisite for installation. If
       the customer installing "A" has a newer version of "B" (version 1.3), the compver file for "B" must indicate that "1.3" is compatible  with
       version "1.0" in order for the customer to install package "A".

EXAMPLES

       Example 1: Sample compver file.

       A sample compver file is shown below:

       Version 1.3
       Version 1.0

SEE ALSO

       pkginfo(4)

       Application Packaging Developer's Guide

NOTES

       The  comparison	of  the  version  string disregards white space and tabs. It is performed on a word-by-word basis. Thus, "Version 1.3" and
       "Version 1.3" would be considered the same.

       The entries in the compver file must match the values assigned to the VERSION parameter in the pkginfo(4) files.

SunOS 5.10							    4 Oct 1996								compver(4)
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