Odd Bash Behavior


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I was just messing around with bash, and noticed what seemed to be odd behavior

shane@mainbox ~ $ echo {a,d}oo
aoo doo
shane@mainbox ~ $ echo {a,}oo
aoo oo
shane@mainbox ~ $ echo {,a}oo
oo aoo
shane@mainbox ~ $  echo {a}oo
{a}oo

I guess I would have thought `echo {a}oo` would have produced aoo

Edited by shanenin
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