[ Kev-Pabcuam ] siv: [ Ntawv-nyeem ]

var f := Cov-ntaub-ntawv tshiab: (Qhov-chaw-nyob /tmp: ['x.ctr']).
f sau-ntawv: ['☞ x ≔ 123.'].
Kev-Pabcuam siv: (Qhov-chaw-nyob /tmp: ['x.ctr']).
Stdout sau-ntawv: x, tsum.