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This page displays the COHERENT manpage for until [Execute commands repeatedly].
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until -- Command Execute commands repeatedly until sequence1 [ do sequence2 ] done The shell's until loop executes the commands in sequence1. If the exit status is nonzero, the shell then executes the commands in the optional sequence2 and repeats the process until the exit status of sequence1 is zero. Because the shell recognizes a reserved word only as the unquoted first word of a command, both do and done must occur either unquoted at the start of a line or preceded by `;'. The shell commands break and continue may be used to alter control flow within an until loop. The contruct while has the same form as until but the sense of the test is reversed. The shell executes until directly. See Also break, commands, continue, ksh, sh, test, while