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Program Repair Shop

74

Global Variables

    18     my ($pwd,$i)=($_[0],$i++);

• This is really interesting

• $i is used later as a dirhandle name

• The $i on the right side is a global variable

• (If it weren't. the function wouldn't work!)

• I'm ambivalent about use strict 'vars'

• But this one line is certainly a good argument in favor of it

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Copyright © 2002 M. J. Dominus