That @x[@f]=@f had me puzzled for a while, but it seems it is the same as:

@x[(@f)]=(@f)

So just @f is always expanded into a list without (), and () is not necessary when defining an array from a list?

I'm still looking at the next one.

In reply to Re^6: one-line split file sequence checker by wdef2
in thread one-line split file sequence checker by wdef2

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