http://www.perlmonks.org?node_id=233165


in reply to Random string generator

Thanks to jmcnamara, we have this example:

perl -le 'print map{(a..z)[rand 26]} 0..rand 10'

which I have extended thusly:

perl -le 'print map{(a..z,A..Z,0..9)[rand 62]} 0..7'

and which you could extend as needed.