tr man page on JazzOS

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TR(1)				 User Commands				 TR(1)

NAME
       tr - translate or delete characters

SYNOPSIS
       tr [OPTION]... SET1 [SET2]

DESCRIPTION
       Translate, squeeze, and/or delete characters from standard input, writ‐
       ing to standard output.

       -c, -C, --complement
	      first complement SET1

       -d, --delete
	      delete characters in SET1, do not translate

       -s, --squeeze-repeats
	      replace each input sequence of  a	 repeated  character  that  is
	      listed in SET1 with a single occurrence of that character

       -t, --truncate-set1
	      first truncate SET1 to length of SET2

       --help display this help and exit

       --version
	      output version information and exit

       SETs  are  specified  as	 strings  of characters.  Most represent them‐
       selves.	Interpreted sequences are:

       \NNN   character with octal value NNN (1 to 3 octal digits)

       \\     backslash

       \a     audible BEL

       \b     backspace

       \f     form feed

       \n     new line

       \r     return

       \t     horizontal tab

       \v     vertical tab

       CHAR1-CHAR2
	      all characters from CHAR1 to CHAR2 in ascending order

       [CHAR*]
	      in SET2, copies of CHAR until length of SET1

       [CHAR*REPEAT]
	      REPEAT copies of CHAR, REPEAT octal if starting with 0

       [:alnum:]
	      all letters and digits

       [:alpha:]
	      all letters

       [:blank:]
	      all horizontal whitespace

       [:cntrl:]
	      all control characters

       [:digit:]
	      all digits

       [:graph:]
	      all printable characters, not including space

       [:lower:]
	      all lower case letters

       [:print:]
	      all printable characters, including space

       [:punct:]
	      all punctuation characters

       [:space:]
	      all horizontal or vertical whitespace

       [:upper:]
	      all upper case letters

       [:xdigit:]
	      all hexadecimal digits

       [=CHAR=]
	      all characters which are equivalent to CHAR

       Translation occurs if -d is not given and both SET1  and	 SET2  appear.
       -t  may	be  used only when translating.	 SET2 is extended to length of
       SET1 by repeating its last character as necessary.   Excess  characters
       of  SET2	 are  ignored.	Only [:lower:] and [:upper:] are guaranteed to
       expand in ascending order; used in SET2	while  translating,  they  may
       only  be used in pairs to specify case conversion.  -s uses SET1 if not
       translating nor deleting; else squeezing uses  SET2  and	 occurs	 after
       translation or deletion.

AUTHOR
       Written by Jim Meyering.

REPORTING BUGS
       Report bugs to <bug-coreutils@gnu.org>.

COPYRIGHT
       Copyright © 2006 Free Software Foundation, Inc.
       This  is	 free  software.   You may redistribute copies of it under the
       terms	  of	  the	   GNU	    General	  Public       License
       <http://www.gnu.org/licenses/gpl.html>.	 There	is NO WARRANTY, to the
       extent permitted by law.

SEE ALSO
       The full documentation for tr is maintained as a	 Texinfo  manual.   If
       the  info and tr programs are properly installed at your site, the com‐
       mand

	      info tr

       should give you access to the complete manual.

tr 6.4				 October 2006				 TR(1)
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