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Full Discussion: help sum columns by break in first column with awk or sed or something.
Top Forums Shell Programming and Scripting help sum columns by break in first column with awk or sed or something. Post 302282627 by otheus on Sunday 1st of February 2009 04:23:31 AM
Old 02-01-2009
Quote:
Originally Posted by syadnom
I set fieldwidths as there are random spaces that mess up the process.
I don't get this. awk (by default) separates fields by whitespace. If there are "random" spaces, this would adjust the column width, no?

But whatever, you have your fields:
Quote:
so $1 = all the detail up to the first number, $2 is on number and $3 is the other. $4 is the junk on the end.
...

How do I have the sum reset after each change in part number? (change in $1)

also, what is the appropriate way to sum both $2 and $3?
Code:
($1 != lastpartnum) { print lastpartnum, sum1,sum2; sum2=sum1=0; } 
($2 != $3) { sum1+=$2; sum2+=$3 }
{ lastpartnum=$1 }

 

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LEARN ABOUT SUSE

lessecho

LESSECHO(1)						      General Commands Manual						       LESSECHO(1)

NAME

       lessecho - expand metacharacters

SYNOPSIS

       lessecho [-ox] [-cx] [-pn] [-dn] [-mx] [-nn] [-ex] [-a] file ...

DESCRIPTION

       lessecho  is  a	program  that  simply  echos its arguments on standard output.	But any argument containing  metacharacters  specified	by
       options below is quoted.

OPTIONS

       A summary of options is included below.

       -ox    Specifies "x" to be the open quote character.

       -cx    Specifies "x" to be the close quote character.

       -pn    Specifies "n" to be the open quote character, as an integer.

       -dn    Specifies "n" to be the close quote character, as an integer.

       -mx    Specifies "x" to be a metachar.

       -nn    Specifies "n" to be a metachar, as an integer.

       -ex    Specifies "x" to be the escape char for metachars.

       -fn    Specifies "n" to be the escape char for metachars, as an integer.

       -a     Specifies that all arguments are to be quoted.  The default is that only arguments containing spaces are quoted.

SEE ALSO

       less(1)

AUTHOR

       This manual page was written by Thomas Schoepf <schoepf@debian.org>, for the Debian GNU/Linux system (but may be used by others).

       Send bug reports or comments to bug-less@gnu.org.

							     Version 436: 07 Jul 2009						       LESSECHO(1)
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