$ cargo run -- im poem.txt
   Compiling minigrep v0.1.0 (file:///projects/minigrep)
    Finished dev [unoptimized + debuginfo] target(s) in 0.0s
     Running `target/debug/minigrep to poem.txt`
Jestem nikim. A ty kim jeste?
Czy take - jeste - nikim?
By kim - jakie to aosne.

