Parallel text processor
$ git clone https://github.com/naoya-i/makibishi
$ cd makibishi
$ make
$ cat hello.txt
I am John Henry.
How are you?
I love you.
You love me.
$ bin/makibishi -i hello.txt -c 'echo My process id is {}, and the offset is @; cat > result.{}.txt' -j 2
My process id is 1, and the offset is 0
My process id is 2, and the offset is 30
$ cat result.1.txt
I am John Henry.
How are you?
$ cat result.2.txt
I love you.
You love me.