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Full Discussion: File updation on matching key
Top Forums UNIX for Dummies Questions & Answers File updation on matching key Post 302975220 by Don Cragun on Thursday 9th of June 2016 01:20:17 PM
Old 06-09-2016
I'm glad you got it to work. If you'd like to show us how you changed the code to perform the rounding you wanted, we might be able to offer suggestions for alternative ways to do it. (And, having your completed solution in the thread helps others who may have a similar problem in the future if they can see how you solved the problem.)

If field 8 always 6 characters? Or, can the length of that field vary from file to file too? (Making that field variable length isn't complicated, if the length varies.)

Can the original value in field 8 ever appear as the value of field 2, 3, 4, 5, 6, or 7 in any of your input files? (As long as the 1st field is always left aligned and the aren't any empty fields in your input files, it wouldn't be too hard to be sure that field 8 is modified in the output and not an earlier field with the same contents. But, the code is faster and simpler as provided in RudiC's suggestion if this isn't a concern for your input files.)
 

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LEARN ABOUT DEBIAN

deb-origin

deb-origin(5)							      Debian							     deb-origin(5)

NAME

       deb-origin - Vendor-specific information files

SYNOPSIS

       /etc/dpkg/origins/filename

DESCRIPTION

       The  files  in  /etc/dpkg/origins can provide information about various vendors who are providing Debian packages. They contain a number of
       fields, or comments when the line starts with '#'.  Each field begins with a tag, such as Vendor or Parent, followed by	a  colon  and  the
       body  of the field. Fields are delimited only by field tags. In other words, field text may be multiple lines in length, but the tools will
       join lines when processing the body of the field.

REQUIRED FIELDS

       Vendor: vendor-name
	      The value of this field determines the vendor name.

OPTIONAL FIELDS

       Vendor-URL: vendor-url
	      The value of this field determines the vendor URL.

       Bugs: bug-url
	      The value of this field determines the type and address of the bug tracking system used by this vendor. It can be a mailto URL or  a
	      debbugs URL (e.g., debbugs://bugs.debian.org/).

       Parent: vendor-name
	      The value of this field determines the vendor name of the vendor that this vendor derives from.

EXAMPLE

       Vendor: Debian
       Vendor-URL: http://www.debian.org/
       Bugs: debbugs://bugs.debian.org

SEE ALSO

       dpkg-vendor(1)

Debian Project							    2011-11-10							     deb-origin(5)
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