AWK - Re: Fixed length records containing 2 different records types with

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Re: Fixed length records containing 2 different records types with

Ed Morton

2005-01-06, 3:57 pm

Rookie Card wrote:

> Ed -
> awk '{ print substr($0,18,1) }' REC18.txt
> A
> B
> S
> A
>
> Then I try
> awk '{ print "A"==substr($0,18,1) }' REC18.txt
> 0
> 0
> 0
> 0
> This is with the example data: REC18.txt
> 20040911324834736A90028
> CLIENTID000VNI112B92658
> CLIENTID000VNI118S98271
> 20041112534129983A93065
> Thanks
> Gary / Rookie Card
>

Since neither oawk nor nawk would accept that last command, I assume
you're running gawk. Here's what happens when I use gawk version 3.0.4
on Solaris:

PS1> gawk '{ print substr($0,18,1) }' REC18.txt
A
B
S
A
PS1> gawk '{ print "A"==substr($0,18,1) }' REC18.txt
1
0
0
1

Regards,

Ed.

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