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Annotation of researchv10dc/dist/man/v4/man1/grep.1, revision 1.1

1.1     ! root        1: .th GREP I 3/3/73
        !             2: .sh NAME
        !             3: grep \*- search a file for a pattern
        !             4: .sh SYNOPSIS
        !             5: .bd grep
        !             6: [
        !             7: .bd \*-v
        !             8: ] [
        !             9: .bd \*-l
        !            10: ] [
        !            11: .bd \*-n
        !            12: ] expression [input] [output]
        !            13: .sh DESCRIPTION
        !            14: .it Grep
        !            15: will search the input file
        !            16: (standard input default)
        !            17: for each line containing the
        !            18: regular expression.
        !            19: Normally, each line found
        !            20: is printed on the output file
        !            21: (standard output default).
        !            22: If the
        !            23: .bd \*-v
        !            24: flag is used,
        !            25: all lines but those matching
        !            26: are printed.
        !            27: If the
        !            28: .bd \*-l
        !            29: flag is used,
        !            30: each line printed is
        !            31: preceded by its line number.
        !            32: If the
        !            33: .bd \*-n
        !            34: flag is used,
        !            35: no lines are printed,
        !            36: but the number of lines that would
        !            37: normally have been printed is reported.
        !            38: If interrupt is hit,
        !            39: the number of lines
        !            40: searched is printed.
        !            41: .s3
        !            42: For a complete description
        !            43: of the regular expression,
        !            44: see ed(I).
        !            45: Care should be taken when
        !            46: using the characters
        !            47: $ * [ ^ | ( ) and \\ in the regular
        !            48: expression as they are
        !            49: also meaningful to the shell.
        !            50: (Precede them by \\)
        !            51: .sh "SEE ALSO"
        !            52: ed(I), sh(I)
        !            53: .sh BUGS
        !            54: Lines
        !            55: are limited to 512 characters;
        !            56: longer lines are truncated.

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