Re: [bug-gawk] Apparently buggy associative array behaviour

[Aharon Robbins]

Hi. Glad you found your problem. Enjoy.  -- Arnold

> From: Blaise LI <address@hidden>
> To: "address@hidden" <address@hidden>
> Date: Tue, 1 Mar 2016 16:52:50 +0000
> Subject: Re: [bug-gawk] Apparently buggy associative array behaviour
>
> Sorry, someone showed me my mistake: an extraneous semicolumn in the END
> action(s).
>
>
> On 01/03/16 16:37, Blaise Li wrote:
> > Making the histogram of one column in a large file, I came across a case
> > that looks like a bug with awk.
> >
> > Counting using sort | uniq -c gives several values for 5-th column of my
> > file:
> >
> > $ awk '{print $5}' awk_bug_test.txt | sort | uniq -c
> > 60906306 0
> > 6342558 1
> > 16874518 3
> > 74186425 50
> >
> > But using an associative array within awk only reports the counts for
> > one of the values:
> >
> > $ awk '{hist[$5]++} END {for (score in hist); print hist[score],score}'
> > awk_bug_test.txt
> > 74186425 50
> >
> > Am I mis-using awk or is this really a bug ?
> >
> > I'm using awk version "GNU Awk 4.1.1, API: 1.1 (GNU MPFR 3.1.2-p3, GNU
> > MP 6.0.0)" on debian.
> >
> > The file is huge (53G). So I cannot attach it to this mail.
> >
> >
>