I use a script/verb to set random seed, it gets 4 bytes from /dev/random using -
host 'dd if=/dev/random bs=4 count=1'
where
host=: [: 2!:0 '(' , ' || true)' ,~ ]
> On 2017Apr 17, at 23:01, Xiao-Yong Jin <[email protected]> wrote:
>
> That much I figured. It also doesn't work with fifo (limit error).
> I hoped this was some kind of bug you guys could fix,
> since c standard lib functions wouldn't care.
>
>> On Apr 18, 2017, at 12:33 AM, bill lam <[email protected]> wrote:
>>
>> 1!:x cannot read non regular files.try
>> 2!:0'cat /dev/...'
>>
>>
>>
>> On 18 Apr, 2017 1:13 pm, "Xiao-Yong Jin" <[email protected]> wrote:
>>
>> Hi,
>>
>> I was trying to get some random bits but found out that 1!:11 doesn't work
>> with /dev/urandom.
>>
>> _3(3!:4)1!:11'/dev/urandom';0 8
>> |index error
>> | _3(3!:4) 1!:11'/dev/urandom';0 8
>>
>> It works with a normal file but not /dev/urandom.
>> Is it a bug? Any work around for this?
>>
----------------------------------------------------------------------
For information about J forums see http://www.jsoftware.com/forums.htm
