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Annotation of coherent/a/usr/man/COHERENT/tr, revision 1.1

1.1     ! root        1: 
        !             2: 
        !             3: tr                           Command                           tr
        !             4: 
        !             5: 
        !             6: 
        !             7: 
        !             8: Translate characters
        !             9: 
        !            10: ttrr [-ccddss] _s_t_r_i_n_g_1 [_s_t_r_i_n_g_2]
        !            11: 
        !            12: tr reads characters  from the standard input, possibly translates
        !            13: each to another value or  deletes it, and writes to standard out-
        !            14: put.
        !            15: 
        !            16: Each specified string  may contain literal characters of the form
        !            17: a or  \b (where b  is non-numeric), octal  representations of the
        !            18: form \ooo  (where o is  an octal digit), and  character ranges of
        !            19: the form X-Y.  tr  rewrites each string with the appropriate con-
        !            20: versions and range expansions.
        !            21: 
        !            22: If an input character is in string1, tr outputs the corresponding
        !            23: character of  string2.  If string2  is shorter than  string1, the
        !            24: result is the last character in string2.
        !            25: 
        !            26: The following flags control how ttrr translates characters:
        !            27: 
        !            28: -cc Replace string1 by the set of characters not in string1.
        !            29: 
        !            30: -dd Delete characters in string1 rather than translating them.
        !            31: 
        !            32: -ss The  ``squeeze'' option: map a sequence  of the same character
        !            33:    from string1 to one output character.
        !            34: 
        !            35: ***** Example *****
        !            36: 
        !            37: The following example prints all sequences of four or more spaces
        !            38: or printing characters from infile:
        !            39: 
        !            40: 
        !            41:         tr -cs ' -~' '\12' <infile | grep ....
        !            42: 
        !            43: 
        !            44: Here string1 is the range from <ssppaaccee> to `~', which includes all
        !            45: printing characters.  Because this example uses the flags -cs, tr
        !            46: maps sequences of nonprinting characters to newline (octal 12).
        !            47: 
        !            48: ***** See Also *****
        !            49: 
        !            50: ASCII, commands, ctype, sed
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        !            63: 
        !            64: COHERENT Lexicon                                           Page 1
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