How to skip if file not found in bash? Post: 303023757

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Top Forums Shell Programming and Scripting How to skip if file not found in bash? Post 303023757 by RudiC on Friday 21st of September 2018 04:33:42 PM

09-21-2018

Registered User

Given the language code is the same in filenames and the metadata specification, try

Code:

for file in *.mp4
  do    printf -vINCLUDE -- "-i %s "  ${file/.mp4}*.srt
        T1=( ${INCLUDE//-i} )
        T2=( ${T1[@]%.*} )
        for (( i=0; i<${#T2[@]};i++)) do        ML=$ML" -metadata:s:s:$i language=${T2[i]#*.}"
                                                MP=$MP" -map $((i+1))"
                                       done
        echo /root/bin/ffmpeg -i $file "$INCLUDE" "$MP" "$ML"
        unset ML MP INCLUDE T1 T2
  done
/root/bin/ffmpeg -i FILE1.mp4 -i FILE1.dan.srt -i FILE1.slo.srt  -map 1  -map 2   -metadata:s:s:0 language=dan -metadata:s:s:1 language=slo
/root/bin/ffmpeg -i FILE2.mp4 -i FILE2.bos.srt -i FILE2.dan.srt -i  FILE2.slo.srt -i FILE2.swe.srt  -map 1 -map 2 -map 3 -map 4    -metadata:s:s:0 language=bos -metadata:s:s:1 language=dan  -metadata:s:s:2 language=slo -metadata:s:s:3 language=swe
/root/bin/ffmpeg -i FILE3.mp4 -i FILE3.bos.srt -i FILE3.dan.srt -i  FILE3.swe.srt  -map 1 -map 2 -map 3   -metadata:s:s:0 language=bos  -metadata:s:s:1 language=dan -metadata:s:s:2 language=swe

Last edited by RudiC; 09-21-2018 at 06:06 PM..

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mp4art

MP4ART(1)							  MP4v2 Utilities							 MP4ART(1)

NAME

       mp4art - manual page for mp4art - MP4v2 2.0.0

SYNOPSIS

       mp4art [OPTION]... ACTION file...

DESCRIPTION

       For  each  mp4  (m4a)  file  specified, perform the specified ACTION. An action must be specified. Some options are not applicable for some
       actions.

       ACTIONS

       --list list all covr-boxes

       --add IMG
	      add covr-box from IMG file

       --replace IMG
	      replace covr-box with IMG file

       --remove
	      remove covr-box

       --extract
	      extract covr-box

       ACTION PARAMETERS

       --art-any
	      act on all covr-boxes (default)

       --art-index IDX
	      act on covr-box index IDX

       OPTIONS

       -z, --optimize
	      optimize mp4 file after modification

       -y, --dryrun
	      do not actually create or modify any files

       -k, --keepgoing
	      continue batch processing even after errors

       -o, --overwrite
	      overwrite existing files when creating

       -f, --force
	      force overwrite even if file is read-only

       -q, --quiet
	      equivalent to --verbose 0

       -d, --debug NUM
	      increase debug or long-option to set NUM

       -v, --verbose NUM
	      increase verbosity or long-option to set NUM

       -h, --help
	      print brief help or long-option for extended help

       --version
	      print version information and exit

       DEBUG LEVELS (for raw mp4 file I/O)

       0      supressed

       1      add warnings and errors (default)

       2      add table details

       3      add implicits

       4      everything

       VERBOSE LEVELS

       0      warnings and errors

       1      normal informative messages (default)

       2      more informative messages

       3      everything

mp4art - MP4v2 2.0.0						     June 2012								 MP4ART(1)