One Liners



Here are some helpful one liners for using Poetry, a dependency manager for Python:

  • poetry new <project-name>: Create a new project.

  • poetry add <library>: Add a new library to the project.

  • poetry remove <library>: Remove a library from the project.

  • poetry update <library>: Update a library to the latest version.

  • poetry run which python: Get the path to the virtual environment's Python interpreter.

  • poetry env list: Show a list of all environments.

  • poetry export --output requirements.txt: Export dependencies to a requirements.txt file.

Remote Connection


ssh -J mert@{servername} mert@target


From Local

scp -o "ProxyJump -p {port}" test.txt mert@target-pc:/home/mert/

Download File From Remote Server

scp -o "ProxyJump -p {port}" mert@target-pc:/home/mert/ test.txt


Download File

wget --user-agent Mozilla/4.0 'big address' -O dest_file_name

Rename Files

ls -v | cat -n | while read n f; do mv -n "$f" "$n.ext"; done

Extract Files

7za x test.7z

String Slicing

From Character

for f in raw_daily/*.csv; do echo  $f /dimensions_"${f#*blocks_}"; done

To Character

for f in raw_daily/*.csv; do echo  $f /dimensions_"${f%*blocks_}"; done

Random File Name

for i in *.jpg; do mv -i "$i" ${RANDOM}${RANDOM}.jpg; done

Move Files

for f in png-exports/*; do cp $f/*.png all_images; done

Delete Files Recursively

find e -maxdepth 10 -type f -name ".*" -delete

Get Dimensions from Folder

ls -U | while read n; do identify -format "%f,%w,%h\n" "$n"; done > file_size.csv


MP3 β†’ WAV

for f in *.mp3; do ffmpeg -i "$f" -acodec pcm_s16le -ac 1 -ar 16000 "wav-exports/${f%.}.wav"; done


for f in *.flac; do ffmpeg -i "$f" "wav-exports/${f%.}.wav"; done

WAV β†’ mp3

for f in *.*; do ffmpeg -i "$f" "wav-exports/${f%.}.wav"; done
for f in *; do ffmpeg -i "${f}" -vn -ab 128k -ar 44100 -y "${f}.mp3" ; done

PNG Sequence β†’ MP4

ffmpeg -f image2 -r 30 -i image_%6d.png -vcodec libx264 -crf 18  -pix_fmt yuv420p output.mp4

MP4 β†’ PNG

ffmpeg -i test.mp4 -vf fps=1/2  png-exports/video13_%06d.png
for f in *.mp4; do ffmpeg -i "$f" -vf fps=2 png-exports/${f%.*}_%06d.png; done

MOV to Optimized GIF

ffmpeg -i -vf scale=320:-1 -r 10 output/ffout%3d.png
convert -delay 8 -loop 0 output/ffout*.png output/test.gif


Convert all images in directory

mogrify -format png *.*


python -n RealESRGAN_x4plus -i v13 -s 3 --suffix 8k -t 1500 -o v13_out


Delete all hidden Mac junk files in Windows (Like .DS_STORE)

del /s /q /f /a .DS_STORE
del /s /q /f /a ._.*

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