samples is a rust cli tool to sample lines from a text file(plain text, csv, log...) or from stdin
cargo install samples# download from github release
wget https://github.com/zhangtaomox/samples/releases/download/v1.0.5/samples-{YOUR PLATFORM}# from stdin
echo "1\n2\n3\n4\n5" | samples -k 2
5
1# from a file
samples -k 2 example.txt# pipe
cat example.txt | samples -k 2 > output.txtMIT or Apache-2.0