Re: [bug-gawk] gsub inbuilt function

[Manuel Collado]

El 23/02/2014 20:11, Aharon Robbins escribió:
> > On Sun, Feb 23, 2014 at 10:26:19PM +0530, Ujjwal Kumar wrote:
> > > Have a small query :
> > >     Why must the gsub function reduce number of white space between
> > > fields to one ??
> > >
> > > This is sometimes undesirable and so I feel ideally it should leave
> > > the rest of the string untouched.
>
> From: "Andrew J. Schorr" <address@hidden>
> > Can you please provide an example of awk code and data that
> > cause the problem to which you are referring?
>
> Along with an indication of which version of gawk you are using (from
> gawk --version), and on what system.

Perhaps the OP is using a code like this (-> is keyboard input):

$ gawk '{gsub("a", "b", $1); print}'
-> a b c d
b b c d
-> a   b   c   d
b b c d

Of course, this is expected behavior. Modifying $1 gets $0 rebuilt using 
OFS as field delimiter.

--
Manuel Collado - http://lml.ls.fi.upm.es/~mcollado