[ Cov-ntaub-ntawv ] nyeem

var f := Cov-ntaub-ntawv tshiab: (Qhov-chaw-nyob /tmp: ['test.txt']).
 f sau-ntawv: ['test'].
 var q := Cov-ntaub-ntawv tshiab: (Qhov-chaw-nyob /tmp: ['test.txt']).
 Stdout sau-ntawv: q nyeem, tsum.