Annotation of lucent/sys/man/1/look, revision 1.1

1.1     ! root        1: .TH LOOK 1
        !             2: .SH NAME
        !             3: look \- find lines in a sorted list
        !             4: .SH SYNOPSIS
        !             5: .B look
        !             6: [
        !             7: .BI -dfnixt c
        !             8: ]
        !             9: [
        !            10: .I string
        !            11: ]
        !            12: [
        !            13: .I file
        !            14: ]
        !            15: .SH DESCRIPTION
        !            16: .I Look
        !            17: consults a sorted
        !            18: .I file
        !            19: and prints all lines that begin with
        !            20: .IR string .
        !            21: It uses binary search.
        !            22: .PP
        !            23: The following options are recognized.
        !            24: Options
        !            25: .B dfnt
        !            26: affect comparisons as in
        !            27: .IR  sort (1).
        !            28: .TP
        !            29: .B -i
        !            30: Interactive.
        !            31: There is no
        !            32: .I string
        !            33: argument; instead
        !            34: .I look
        !            35: takes lines from the standard input as strings to be looked up.
        !            36: .TP
        !            37: .B -x
        !            38: Exact.
        !            39: Print only lines of the file whose key matches
        !            40: .I string
        !            41: exactly.
        !            42: .TP
        !            43: .B  -d
        !            44: `Directory' order:
        !            45: only letters, digits,
        !            46: tabs and blanks participate in comparisons.
        !            47: .TP
        !            48: .B  -f
        !            49: Fold.
        !            50: Upper case letters compare equal to lower case.
        !            51: .TP
        !            52: .B -n
        !            53: Numeric comparison with initial string of digits, optional minus sign,
        !            54: and optional decimal point.
        !            55: .TP
        !            56: .BR -t [ \f2c\f1 ]
        !            57: Character
        !            58: .I c
        !            59: terminates the sort key in the
        !            60: .IR file .
        !            61: By default, tab terminates the key.  If
        !            62: .I c
        !            63: is missing the entire line comprises the key.
        !            64: .PP
        !            65: If no
        !            66: .I file
        !            67: is specified,
        !            68: .B /lib/words
        !            69: is assumed, with collating sequence
        !            70: .BR df .
        !            71: .SH FILES
        !            72: .B /lib/words
        !            73: .SH SOURCE
        !            74: .B /sys/src/cmd/look.c
        !            75: .SH "SEE ALSO"
        !            76: .IR sort (1), 
        !            77: .IR grep (1)
        !            78: .SH DIAGNOSTICS
        !            79: The exit status is
        !            80: .B \&"not found"
        !            81: if no match is found, and
        !            82: .B \&"no dictionary"
        !            83: if
        !            84: .I file
        !            85: or the default dictionary cannot be opened.
        !            86: 

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