On 3/5/15 4:49 AM, Edward Tomasz Napierała wrote:
On 0305T1555, Gleb Smirnoff wrote:
On Thu, Mar 05, 2015 at 03:40:37PM +0300, Slawa Olhovchenkov wrote:
S> > nc(1), which is a pure socket testing tool. For telnet(1) this
S> > capability is a side effect.
S>
S> You don't try this in practice.
S> % nc zxy.spb.ru 81
S> %
S> % telnet zxy.spb.ru 81
S> Trying 195.70.199.98...
S> telnet: connect to address 195.70.199.98: Connection refused
S> telnet: Unable to connect to remote host
S>
S> nc is not usable.
Yes, this how unix way works. Command has return value, or
you can use '-v', of you want it to be chatty.
Actually, not giving error message on error by default seems quite
broken to me. Standard UNIX utilities don't fail silently:
You need to read unix hater's handbook. :)
-Alfred
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