Collection of varies command line one liner

Posted on 2024-06-08 Edited on 2026-08-08 Word count in article: 1.6k Reading time ≈ 1 mins.

Collection of various one-liners for archiving. Always being updated.

Convert GIF to AVIF

1	ffmpeg -i input.gif -strict -1 -f yuv4mpegpipe -pix_fmt yuva444p - \| avifenc --stdin output.avif

Convert JPEF/PNG to AVIF

1 2	magick input.jpeg -quality 90% output.avif magick input.png -quality 50% output.avif

Lossy compress PNG in a folder

1	for f in *.png; do magick "$f" -quality 90% -resize 50x50% "${f%.png}.avif"; done

Compress files with 7z

1	7z a -t7z -m0=lzma -mx=9 -mfb=64 -md=32m -ms=on archive.7z dir1

Compress files with 7z and standard zip

1	7z a -mm=Deflate -mfb=258 -mpass=15 -r foo.zip dir1

Print the lines of file2 that exist in file1

1	grep -xFf file1 file2

Tree-like output in ls

1	ls -R \| grep ":$" \| sed -e 's/:$//' -e 's/[^-][^\/]*\//--/g' -e 's/^/ /' -e 's/-/\|/'

Get file sizes in a directory

1	du -h /home/user/ --max-depth=1

Find the largest 10 files

1	find ~/ -type f -print0 \| xargs -0 du -h \| sort -rh \| head -n 10

Download file with aria2

aria2c \
  --max-connection-per-server=4 \
  --split=4 \
  --min-split-size=20M \
  --retry-wait=10 \
  --max-tries=0 \
  --timeout=60 \
  --connect-timeout=30 \
  --lowest-speed-limit=10K \
  --continue=true \
  --auto-file-renaming=false \
  URL

Find files larger than 100 MB

1	find . -type f -size +100M -print

Rename all .jpeg files to .jpg

1	for f in *.jpeg; do mv -- "$f" "${f%.jpeg}.jpg"; done

Find byte-by-byte duplicated files

1	find . -type f -name '*.jpg' -exec shasum -a 256 {} + \| sort \| awk '{h=$1;if(h==p){if(!x)print l;print;x=1}else{x=0}p=h;l=$0}'

Video compression for archiving

ffmpeg -i "INPUT_VIDEO.mp4" \
  -map 0 \
  -c:v libsvtav1 \
  -preset 2 \
  -crf 26 \
  -pix_fmt yuv420p10le \
  -c:a copy \
  -map_metadata 0 \
  "OUTPUT_VIDEO.mkv"

References

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