a subroutine doesn't get executed unless you call it; this: 
print "a";
sub doit { print "zed" }
print "b";
&doit();

[download]
prints "a", then "b", then "zed". After the print "a", perl jumps right over the sub definition to the next plain statement.

In reply to Re: Re: Re: can't write a variable to a file by ysth
in thread can't write a variable to a file by sabotodd

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