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quick_command_list [2018/09/23 07:59] k2patel [FFMpeg Conversion of 4K] |
quick_command_list [2022/05/16 20:05] (current) k2patel [remove comments and blank lines from output] |
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grep -v -e '^#\|^\W*$' | grep -v -e '^#\|^\W*$' | ||
</code> | </code> | ||
+ | OR | ||
+ | <code bash> | ||
+ | grep '^[[:blank:]]*[^[:blank:]#;]' $file | ||
+ | </code> | ||
==== Calculating Date ==== | ==== Calculating Date ==== | ||
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<code bash> | <code bash> | ||
cat < /dev/tcp/k2patel.in/3306 | cat < /dev/tcp/k2patel.in/3306 | ||
+ | </code> | ||
+ | |||
+ | ==== Setting id tag on mp3 ==== | ||
+ | Setting mp3 tag on multiple file based on filename as song name.\\ | ||
+ | Same artist. | ||
+ | <code bash> | ||
+ | while read k2; do id3tag -a'xyz guru' -A'SuperSpeed' -s"${k2%%.*}" -y'2021' "${k2}" ; done < <(ls *.mp3) | ||
</code> | </code> | ||
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-c:a:0 ac3 \ | -c:a:0 ac3 \ | ||
-c:s copy \ | -c:s copy \ | ||
- | avatar_4k.mp4 | + | new_file.mp4 |
+ | </code> | ||
+ | OR | ||
+ | <code bash> | ||
+ | ffmpeg -i old_file.mkv \ | ||
+ | -map 0:0 -map 0:1 -map 0:2 \ | ||
+ | -c:v copy \ | ||
+ | -c:a:0 ac3 \ | ||
+ | -c:s copy \ | ||
+ | -disposition:s:0 forced \ | ||
+ | new_file.mkv | ||
</code> | </code> | ||