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1.1 ! root 1: ! 2: ! 3: until Command until ! 4: ! 5: ! 6: ! 7: ! 8: Execute commands repeatedly ! 9: ! 10: uunnttiill _s_e_q_u_e_n_c_e_1 ! 11: [ ddoo _s_e_q_u_e_n_c_e_2 ] ! 12: done ! 13: ! 14: The shell's until loop executes the commands in sequence1. If ! 15: the exit status is nonzero, the shell then executes the commands ! 16: in the optional sequence2 and repeats the process until the exit ! 17: status of sequence1 is zero. Because the shell recognizes a ! 18: reserved word only as the unquoted first word of a command, both ! 19: do and done must occur either unquoted at the start of a line or ! 20: preceded by `;'. ! 21: ! 22: The shell commands break and continue may be used to alter con- ! 23: trol flow within an until loop. The contruct while has the same ! 24: form as until but the sense of the test is reversed. ! 25: ! 26: The shell executes until directly. ! 27: ! 28: ***** See Also ***** ! 29: ! 30: break, commands, continue, sh, test, while ! 31: ! 32: ! 33: ! 34: ! 35: ! 36: ! 37: ! 38: ! 39: ! 40: ! 41: ! 42: ! 43: ! 44: ! 45: ! 46: ! 47: ! 48: ! 49: ! 50: ! 51: ! 52: ! 53: ! 54: ! 55: ! 56: ! 57: ! 58: ! 59: ! 60: ! 61: ! 62: ! 63: ! 64: COHERENT Lexicon Page 1 ! 65: ! 66:
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