koaj / apen

Apen is 7x faster than anewer. It's CLI tool to appending from stdin into a new file. `cat list_1.txt | apen unique_lines.txt`

apen

Append from stdin to a new file.

Apen is 7x faster than anewer which a fast rust version of tomnomnom anew.

Usage:

cat 1.txt
one
two
two
one

cat 2.txt
one
line

cat 1.txt | ./apen 2.txt
two

cat 2.txt
one
line
two

Inspierd by anew. anewer