regularly copy files to different directory with different file extentions


 
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Old 01-23-2012
regularly copy files to different directory with different file extentions

I have a NAS and I upload my videos to it from time to time. the video format is 3gp but my media player PBO could only play avi. I want to copy these files to different directory and change the extention from 3gp to avi. (yes I want to keep the original version and create a duplicate version with different extention). Could anyone give me some hint which commands I should start to learn for this work. I want my arch linux to check the original folder daily for any newly added files. if there is any new files, then do the copy and change job.

Thanks!
 
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lavtrans(1)							MJPEG tools manual						       lavtrans(1)

NAME
lavtrans - Convert MJPEG videos to other MJPEG video formats SYNOPSIS
lavtrans -o outputfile -f a|q|i|w [-i num] lavfile1 [lavfile2 ... lavfileN] DESCRIPTION
lavtrans can be used to convert the recorded videos from one MJPEG "container" format to another one. It can also be used to split the streams, or do destructive edits. Like all the other mjpegtools(1) lavtrans also accept a edit list file in place of actual video files. This allows it to be used to con- struct a stand-alone copy of the editted video sequence described in the editlist. Note that lavtrans can only change the container type of MJPEG video, not the format. As such it is not possible to use it combine streams of different format. OPTIONS
lavtrans accepts the following options: -f [a|q|m|i|w] Specifies the output format that should be saved. a - output to AVI file q - output to Qicktime file i - output single JPEG images, w - output WAV file (sound only!) -i num Convert a single frame to a JPEG file. -o outputfile Specifies the name of the output file If you want as output single JPEG images the output file string must be a valid format string filename Multiple filenames as input are acceped, also mixing of edit list files and other in video files. BUGS
There seem to be problems with the transoding of large Quicktime movies. One other thing is that with interlaced movies only one field is extracted. So you get pictures with the full horizontal size and half vertical size. AUTHOR
This man page was written by Bernhard Praschinger. If you have questions, remarks, problems or you just want to contact the developers, the main mailing list for the MJPEG-tools is: mjpeg-users@lists.sourceforge.net For more info, see our website at http://mjpeg.sourceforge.net SEE ALSO
mjpegtools(1), lavplay(1) MJPEG Linux Square 2 June 2001 lavtrans(1)