[bug-gawk] Bug regarding setting of OFS

[Johann Hartwig Hauschild]

Hi.

I'm experiencing some strange behaviour with the OFS-Builtin:

~/.../gawk$ ./gawk -V |head -1
GNU Awk 4.0.70
~/.../gawk$ echo a:b:c|./gawk -F":" '{OFS=FS; $2="x";print}'
a:x:c
~/.../gawk$ echo a:b:c|./gawk -F":" '{$2="x"; OFS=FS; print}'
a:x:c
~/.../gawk$ echo a:b:c|./gawk -F":" '{$2="x"; print; OFS=FS; print}'
a x c
a x c
~/.../gawk$ echo a:b:c|./gawk -F":" '{$2="x"; print $1; OFS=FS; print}'
a
a:x:c
~/.../gawk$ echo a:b:c|./gawk -F":" '{$2="x"; print; $2=$2; OFS=FS; print}'
a x c
a:x:c

It seems to me that setting OFS causes the print-Statement to recompile
$0 only if another $n was touched, that is a bit confusing.

-- 
Gruß,
        Hardy