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bash-bangers.md

Bash Bangers

Copy 1st line from file, insert into first line of another file

awk 'NR==1' test.py | xargs -I{} sed -i '1s/.*/{}/' slice.py

Setup Python debugger pdb in file

echo "import pdb; pdb.set_trace()" > test.py

Display specified line of file

sed -n '1p' test.py

Tmux attach to session

# attach to session 0
tmux attach-session -t 0
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