If the judgment is for imprisonment, or a fine and imprisonment until it be paid, the defendant must forthwith be committed to the custody of the proper officer, and by him detained until the judgment is complied with.

[(19-2703) Cr. Prac. 1864, sec. 452, p. 268; R.S., R.C., & C.L., sec. 8007; C.S., sec. 9050; I.C.A., sec. 19-2603.]