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

1.1     ! root        1: .th TR I 9/24/73
        !             2: .sh NAME
        !             3: tr \*- transliterate
        !             4: .sh SYNOPSIS
        !             5: .bd tr
        !             6: [
        !             7: .bd \*-cds
        !             8: ] [ string1 [ string2 ] ]
        !             9: .sh DESCRIPTION
        !            10: .it Tr
        !            11: copies the standard input to the standard output with 
        !            12: substitution or deletion of selected characters.
        !            13: Input characters found in 
        !            14: .it string1
        !            15: are mapped into the corresponding characters of
        !            16: .it string2.
        !            17: If 
        !            18: .it string2
        !            19: is short, it is padded with corresponding characters from
        !            20: .it string1.
        !            21: Any combination of the options
        !            22: .bd \*-cds
        !            23: may be used.
        !            24: .bd \*-c
        !            25: complements the set of characters in
        !            26: .it string1
        !            27: with respect to the universe of characters
        !            28: whose ascii codes are 001 through 377 octal.
        !            29: .bd \*-d
        !            30: deletes all input characters not in
        !            31: .it string1.
        !            32: .bd \*-s
        !            33: squeezes all strings of repeated output characters that are
        !            34: in 
        !            35: .it string2
        !            36: to single characters.
        !            37: .s3
        !            38: The following abbreviation conventions may be used
        !            39: to introduce ranges of characters or repeated characters into
        !            40: the strings:
        !            41: .s3
        !            42: \fB[\fIa\*|\fB\*-\fIb\fB\*|]\fR
        !            43: stands for the string of characters whose ascii codes run
        !            44: from character
        !            45: .it a
        !            46: to character
        !            47: .it b.
        !            48: .s3
        !            49: \fB[\fIa\fB\*|*\fIn\fB\*|]\fR,
        !            50: where
        !            51: .it n
        !            52: is an integer or empty, stands for \fIn\fR-fold 
        !            53: repetition of character
        !            54: .it a.
        !            55: .it n
        !            56: is taken to be octal or decimal according as its
        !            57: first digit is or is not zero.
        !            58: A zero or missing
        !            59: .it n
        !            60: is taken to be huge;
        !            61: this facility is useful for padding
        !            62: .it string2.
        !            63: .s3
        !            64: The escape character `\\' may be used as in
        !            65: .it sh
        !            66: to remove special meaning from any character in a string.
        !            67: In addition,
        !            68: `\\' followed by 1, 2 or 3 octal digits stands for the
        !            69: character whose ascii code is given by those digits.
        !            70: .s3
        !            71: The following example creates a list of all
        !            72: the words in `file1' one per line in `file2',
        !            73: where a word is taken to be a maximal string of alphabetics.
        !            74: The strings are quoted
        !            75: to protect the special characters from interpretation by the Shell;
        !            76: 012 is the ascii code for newline.
        !            77: .s3
        !            78: .ti +8
        !            79: tr \*-cs "[A\*-Z][a\*-z]" "[\\012*]" <file1 >file2
        !            80: .sh "SEE ALSO"
        !            81: sh(I), ed(I), ascii(VII)
        !            82: .sh BUGS
        !            83: Won't handle ascii NUL.
        !            84: .br
        !            85: Also, Kernighan's Lemma can really bite you;
        !            86: try looking for strings which have \\ and * in them.

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