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Annotation of cci/usr/src/man/man1/tr.1, revision 1.1

1.1     ! root        1: .TH TR 1  "18 January 1983"
        !             2: .SH NAME
        !             3: tr \- translate characters
        !             4: .SH SYNOPSIS
        !             5: .B tr
        !             6: [
        !             7: .B \-cds
        !             8: ] [ string1 [ string2 ] ]
        !             9: .SH DESCRIPTION
        !            10: .I Tr
        !            11: copies the standard input to the standard output with 
        !            12: substitution or deletion of selected characters.
        !            13: Input characters found in 
        !            14: .I string1
        !            15: are mapped into the corresponding characters of
        !            16: .IR string2 .
        !            17: When 
        !            18: .I string2
        !            19: is short it is padded to the length of 
        !            20: .I string1
        !            21: by duplicating its last character.
        !            22: Any combination of the options
        !            23: .B \-cds
        !            24: may be used:
        !            25: .B \-c
        !            26: complements the set of characters in
        !            27: .I string1
        !            28: with respect to the universe of characters
        !            29: whose ASCII codes are 01 through 0377 octal;
        !            30: .B \-d
        !            31: deletes all input characters in
        !            32: .I string1;
        !            33: .B \-s
        !            34: squeezes all strings of repeated output characters that are
        !            35: in 
        !            36: .I string2
        !            37: to single characters.
        !            38: .PP
        !            39: In either string the notation
        !            40: .IB a \- b
        !            41: means a range of characters from
        !            42: .I a
        !            43: to
        !            44: .I b
        !            45: in increasing ASCII order.
        !            46: The character
        !            47: `\e' followed by 1, 2 or 3 octal digits stands for the
        !            48: character whose ASCII code is given by those digits.
        !            49: A `\e' followed by any other character stands
        !            50: for that character.
        !            51: .PP
        !            52: The following example creates a list of all
        !            53: the words in `file1' one per line in `file2',
        !            54: where a word is taken to be a maximal string of alphabetics.
        !            55: The second string is quoted
        !            56: to protect `\e' from the Shell.
        !            57: 012 is the ASCII code for newline.
        !            58: .IP
        !            59: tr \-cs A\-Za\-z \'\e012\' <file1 >file2
        !            60: .SH "SEE ALSO"
        !            61: ed(1), ascii(7), expand(1)
        !            62: .SH BUGS
        !            63: Won't handle ASCII NUL in
        !            64: .I string1
        !            65: or
        !            66: .I string2;
        !            67: always deletes NUL from input.

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