(Hi, golfers! I'm really glad this game got started -- I was on fwp in its
first incarnation for some golf discussions, though they didn't have
tournaments back then -- but it's SO time consuming. I pretty much have to
get all my work done three weeks a month...)
This is pretty weird to me to. However, Lars suggested it's a 5.6 thing, and
I don't think so. Viz.:
>perl -v
This is perl, version 5.004_04 built for sun4-solaris
>perl -wle '@a=qw(e d c b a); for(sort @a){s/./uc($&)/e};print @a'
EDCBA
However,
>perl -wle '@a=qw(e d c b a); for(@b=sort @a){s/./uc($&)/e};print @a'
edcba
In fact, it's not just sort:
>perl -wle '@a=qw(e d c b a); for(reverse @a){s/./uc($&)/e};print @a'
EDCBA
In fact:
>perl -wle '@a=qw(e d c); @c=qw(b a); for(@a,@c){s/./uc($&)/e};print @a,@c'
EDCBA
But:
>perl -wle '@a=qw(e d c); @c=qw(b a); for(@a,@d=@c){s/./uc$&/e};print
@a,@c,@d'
EDCbaBA
Some more data?
>perl -wle '%a=qw(a b c d); for(%a){s/./uc$&/e};print %a'
abcd
>perl -wle '%a=qw(a b c d); for(keys %a){s/./uc$&/e};print %a'
abcd
For a moment, I thought that maybe sort@a is a sort of lvalue such that
inside the for loop it can be talked to. But
>perl -wle '@a=qw(e d c); (sort@a)=(1,2,3)'
Can't modify sort in list assignment at -e line 1, at EOF
???
Amir Karger
CuraGen Corporation
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