Mv or cp with a . (dot)? Post: 303008410

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Top Forums Shell Programming and Scripting Mv or cp with a . (dot)? Post 303008410 by hicksd8 on Friday 1st of December 2017 05:31:30 AM

12-01-2017

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I appreciate that I am coming to this thread very late and you seem to have some very qualified expert help here already. Therefore, I think this is likely to be my only post on this thread. However, I would like to contribute the following notes:

1. You are confusing filename and path. In /a/b/c/xyz, the/a/b/c is the path and xyz is the filename. The leading / means the path starts from the top of the system.

2. Without the leading / the path starts from the directory you are currently in, ie, there is a directory a pre-existing, with a b directory under that pre-existing, and a c directory under that pre-existing.

Quote:

Originally Posted by scribling

mv ./bla ../fa/la/.bla - doesn't work. I've tried all sorts of bracketing and that doesn't work.

I don't think you have told us all what OS you are using but it's unlikely that your (failing) 'mv' command is capable of creating the directories 'fa' and 'la' whilst moving the file. I think your destination path MUST pre-exist before you issue your 'mv' command.

I just wanted to make that point. That may, or may not, be your issue.

Last edited by rbatte1; 12-01-2017 at 09:59 AM..

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LEARN ABOUT DEBIAN

poc-fec

POC-FEC(1)							   User Command 							POC-FEC(1)

NAME

       poc-fec - send FEC MP3 streams

SYNOPSIS

       poc-fec [ -s address ] [ -p port ] [ -t ttl ] [ -q ] [ -k fec_k ] [ -n fec_n ] files...

DESCRIPTION

       poc-fec is a streaming server sending mp3 data using a custom FEC protocol. The streamed MP3 frames are first decomposed in autonomous data
       units (ADUs). These ADUs are grouped into ADU groups, which are encoded redundantly using a FEC method by Luigi Rizzo. A group of k ADUs is
       encoded	as  n  data  packets.  Any k of these n data packets is sufficient to recover the original k ADUs. It sends the files in the order
       given on the command-line. Use the filename - to stream from standard input. Normally, the FEC protocol is  used  to  stream  to  multicast
       groups.

OPTIONS

       -s address
	      Specify the address to send to (default 224.0.1.23).

       -p port
	      Specify the port to send to (default 1500).

       -t ttl Specify the TTL parameter to be set on outgoing parameters (default 1).

       -q     Don't output any information on standard error.

       -k fec_k
	      Specify the number of ADUs that will be encoded as an ADU group (default 20).

       -n fec_n
	      Specify the number of packets that the ADU groups will be encoded to (default 25). This number must be greater than the fec_k param-
	      eter.

EXAMPLES

       poc-fec -s 224.0.1.24 -p 8989 -t 2 -k 16 -n 32 bla.mp3
	      Send the file bla.mp3 using the RTP RFC fec protocol to the address 224.0.1.24 on port 8989, and set the TTL to  2.  MP3	frames	of
	      bla.mp3 are converted to ADUs and grouped in ADU groups of 16 ADUs. These 16 ADUs are encoded into 32 packets and streamed. A client
	      will have to receive at least 16 packets to recover the original ADUs.

AUTHORS

       Manuel Odendahl <manuel@bl0rg.net>, Florian Wesch <dividuum@bl0rg.net>

								   February 2005							POC-FEC(1)