$" is the seperator for arrays when they're interpolated with double quotes or a qq(). $, is the seperator when they're printed without quotes. 

print  @array;    # is the same as 'print join($,, @array);'
print "@array";   # is the same as 'print join($", @array);'

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In reply to Re: array element seperators by MrNobo1024
in thread array element seperators by Anonymous Monk

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