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1.1 ! root 1: .TH CHDATE 1 ! 2: .CT 1 files dirs ! 3: .SH NAME ! 4: touch, chdate \- set modification or access date of a file ! 5: .SH SYNOPSIS ! 6: .B touch ! 7: [ ! 8: .B -c ! 9: ] ! 10: .I file ... ! 11: .PP ! 12: .B chdate ! 13: [ ! 14: .B -am ! 15: ] ! 16: .I date file ... ! 17: .SH DESCRIPTION ! 18: .I Touch ! 19: attempts to set the modification time of the ! 20: .I files ! 21: to the current time. ! 22: If a ! 23: .I file ! 24: does not exist, ! 25: it will be created unless option ! 26: .B -c ! 27: is present. ! 28: .PP ! 29: .I Chdate ! 30: sets the access and modification times of ! 31: .I files. ! 32: The ! 33: .I date ! 34: comprises two or more arguments: a month (3 letters or more), ! 35: a day number, an optional time in hour:min[:sec] form, and an ! 36: optional year. ! 37: A missing year means a time in the last 12 months. ! 38: The options are ! 39: .TP ! 40: .B -a ! 41: Change the access time only. ! 42: .TP ! 43: .B -m ! 44: Change the modification time only. ! 45: .PP ! 46: .I Chdate ! 47: knows how to carry between fields of a date. ! 48: Only a file's owner or the super-user can change its date. ! 49: .SH EXAMPLES ! 50: .EX ! 51: .ta \w'chdate jul 4 12:00 1976 independence 'u ! 52: chdate jul 4 12:00 1976 independence ! 53: chdate jul -3 1976 independence # backdate one week ! 54: .EE ! 55: .SH SEE ALSO ! 56: .IR ls (1), ! 57: .IR utime ! 58: in ! 59: .IR chmod (2), ! 60: .IR stat (2), ! 61: .IR timec (3), ! 62: .IR chmod (1), ! 63: .IR chown (8) ! 64: .SH DIAGNOSTICS ! 65: .I Chdate ! 66: returns the number of files on which the date ! 67: could not be changed. ! 68: .SH BUGS ! 69: .I Touch ! 70: will not touch directories. ! 71: .PP ! 72: The first ! 73: .I file ! 74: name for ! 75: .I chdate ! 76: cannot begin with a digit.
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