awk

[Guest_imported]

i'm trying to make a script, like:

when printing

$0
$1
$2=xyz
$3
$4

which gives

$0=a ^ b ^ c ^ d ^
$1=a
$2=b
$3=c
$4=d

i wanna take off $2 and make it "x"

note: ^ = space

i would appreciate any help. thanks.