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Top Forums Shell Programming and Scripting Rename first N numeric strings in filename Post 303033744 by baris35 on Thursday 11th of April 2019 05:24:00 AM
Old 04-11-2019
Rename first N numeric strings in filename

Hello,
I have some video files containing numbers and characters . To tell the problem shortly, due to a limitation, I am unable create a playlist regularly changing on a daily basis with the command shuffle....So I decided to rename filenames, just a replacement of first five numbers randomly.
myfiles:
Code:
87338ArianaGrandebreakupwithyourgirlfriendimboredLH4Y1ZUUx2g.mp4
92593ArianaGrandebreathinkN0iD0pI3o0.mp4
29003ArianaGrandeDangerousWoman9WbCfHutDSE.mp4
29024ArianaGrandeFocuslfwVfwpfp8.mp4
39043ArianaGrandeGodisawomankHLHSlExFis.mp4

Code:
for i in `seq 5`
do
A=$( echo "$((10000 + RANDOM % 9999))" )
echo "$A"
done

Number creation is okay with above command..
Code:
11111
18367
12008
15249
10059

Expected output:
Code:
11111ArianaGrandebreakupwithyourgirlfriendimboredLH4Y1ZUUx2g.mp4
18367ArianaGrandebreathinkN0iD0pI3o0.mp4
12008ArianaGrandeDangerousWoman9WbCfHutDSE.mp4
15249ArianaGrandeFocuslfwVfwpfp8.mp4
10059ArianaGrandeGodisawomankHLHSlExFis.mp4

How can I do it? Is there a command to separate numeric / alphanumeric fields ?

Thank you
Boris
 

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oggz-merge(1)						      General Commands Manual						     oggz-merge(1)

NAME
oggz-merge -- Merge Ogg files together, interleaving pages in order of presentation time. SYNOPSIS
oggz-merge [-o filename | --output filename ] filename ... oggz-merge [-h | --help ] [-v | --version ] Description oggz-merge merges Ogg files together, interleaving pages in order of presentation time. It correctly interprets the granulepos timestamps of Ogg CELT, CMML, Dirac, FLAC, Kate, PCM, Speex, Theora and Vorbis bitstreams. Run oggz-known-codecs(1) for a full list of codecs known by the installed version of oggz. For example, if you have an Ogg Theora video file, and its soundtrack stored separately as an Ogg Speex audio file, and you can use oggz- merge to create a single Ogg file containing the video and audio, interleaved together in parallel. Similarly, using oggz-merge on a collection of Ogg Vorbis audio files will create a big Ogg file with all the songs in parallel, ie. inter- leaved for simultaneous playback. Such a file is proper Ogg, but not "Ogg Vorbis I" -- the Ogg Vorbis I specification defines an Ogg Vorbis file as an Ogg file containing only one Vorbis track at a time (ie. no parallel multiplexing). Many music players (which use libvorbisfile) aren't designed to play multitrack Ogg files. In general however, video players, and anything built on a multimedia framework (like GStreamer, DirectShow etc.) will probably be able to handle such files. If you want to create a file containing some Ogg files sequenced one after another, then you should simply concatenate them together using cat. In Ogg this is called "chaining". If you cat Ogg Vorbis I audio files together, then the result will also be a compliant Ogg Vorbis file. Options oggz-merge accepts the following options: Miscellaneous options -o filename, --output filename Write output to the specified filename instead of printing it to standard output. -h, --help Display usage information and exit. -v, --version Output version information and exit. EXAMPLES
Merge pages of audio.oga and video.ogv: oggz merge -o output.ogv audio.oga video.ogv AUTHOR
Conrad Parker September 21, 2004; COPYRIGHT
Copyright (C) 2004 CSIRO Australia SEE ALSO
cat(1), oggz-rip(1), oggz-dump(1), oggz-diff(1), hogg(1) oggz-merge(1)
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