Ubuntu Feisty 7.04 manual page repository

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Provided by: ascii_3.8-3_i386



        ascii - report character aliases


        ascii [-dxohv] [-t] [char-alias...]


        Called  with  no options, ascii behaves like ‘ascii -h’. Options are as
        -t     Script-friendly mode,  emits  only  ISO/decimal/hex/octal/binary
               encodings of the character.
        -s     Parse multiple characters. Convenient way of parsing strings.
        -d     Ascii table in decimal.
        -x     Ascii table in hex.
        -o     Ascii table in octal.
        -h, -? Show summary of options and a simple ASCII table.
        -v     Show version of program.


        Characters  in  the  ASCII set can have many aliases, depending on con‐
        text. A character’s possible names include:
        *      Its bit pattern (binary representation).
        *      Its hex, decimal and octal representations.
        *      Its teletype  mnemonic  and  caret-notation  form  (for  control
        *      Its backlash-escape form in C (for some control chars).
        *      Its printed form (for printables).
        *      Its full ISO official name in English.
        *      Its ISO/ECMA code table reference.
        *      Its name as an HTML/SGML entity.
        *      Slang and other names in wide use for it among hackers.
        This  utility  accepts command-line strings and tries to interpret them
        as one of the above. When it finds a value, it prints all of the  names
        of  the  character. The constructs in the following list can be used to
        specify character values. If an argument could be interpreted in two or
        more  ways,  names  for  all  the  different characters it might be are
               Any character not described by one of the following  conventions
               represents the character itself.
               A caret followed by a character.
               A backslash followed by certain special characters (abfnrtv).
               An ASCII teletype mnemonic.
               A  hexadecimal (hex) sequence consists of one or two case-insen‐
               sitive hex digit characters (01234567890abcdef). To  ensure  hex
               interpretation use hexh,  0xhex,  xhex or \xhex.
               A  decimal  sequence consists of one, two or three decimal digit
               characters (0123456789). To ensure  decimal  interpretation  use
               \0ddecimal,  ddecimal, or \ddecimal.
        octal  An  octal  sequence  consists  of  one, two or three octal digit
               characters (01234567). To ensure octal interpretation  use  \oc‐
               tal,  0ooctal,  ooctal, or \ooctal.
        bit pattern
               A  bit pattern (binary) sequence consists of one to eight binary
               digit characters (01). To ensure bit  interpretation  use  0bbit
               pattern,  bbit pattern or \bbit pattern.
        ISO/ECMA code
               A  ISO/ECMA  code  sequence consists of one or two decimal digit
               characters, a slash, and one or two decimal digit characters.
        name   An official ASCII or slang name.
        The slang names recognized and printed out are from a rather comprehen‐
        sive list that first appeared on USENET in early 1990 and has been con‐
        tinuously updated since. Mnemonics recognized and printed  include  the
        official  ASCII set, some official ISO names (where those differ) and a
        few common-use alternatives (such as NL for LF). HTML/SGML entity names
        are also printed when applicable. All comparisons are case-insensitive,
        and dashes are mapped to spaces. Any unrecognized arguments or  out  of
        range  values  are  silently  ignored. Note that the -s option will not
        recognize ’long’ names, as it  cannot  differentiate  them  from  other
        parts of the string.
        For correct results, be careful to stringize or quote shell metacharac‐
        ters in arguments (especially backslash).
cc(1)’s ugly  octal
        ‘invalid-character’ messages, or when coding anything to do with serial
        communications. As a side effect it serves as  a  handy  base-converter
        for random 8-bit values.


        Eric  S.  Raymond  <esr@snark.thyrsus.com>; November 1990 (home page at
http://www.catb.org/~esr/). Reproduce,  use,
        and  modify as you like as long as you don’t remove this authorship no‐
        tice. Ioannis E. Tambouras <ioannis@debian.org> added  command  options
        and minor enhancements. Brian J. Ginsbach <ginsbach@sgi.com> fixed sev‐
        eral bugs and expanded the man page. David N.  Welton  <davidw@efn.org>
        added  the  -s option. Matej Vela corrected the ISO names. Dave Capella
        contributed the idea of listing HTML/SGML entities.


What does Ubuntu mean?
Ubuntu is an African word meaning 'Humanity to others', or 'I am what I am because of who we all are'. The Ubuntu distribution brings the spirit of Ubuntu to the software world.