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ascii - Online in the Cloud

Run ascii in OnWorks free hosting provider over Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator

This is the command ascii that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator

PROGRAM:

NAME


ascii - report character aliases

SYNOPSIS


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

OPTIONS


Called with no options, ascii behaves like `ascii -h'. Options are as follows:

-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.

DESCRIPTION


Characters in the ASCII set can have many aliases, depending on context. 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 chars).

· 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
dumped.

character
Any character not described by one of the following conventions represents the
character itself.

^character
A caret followed by a character.

\[abfnrtv0]
A backslash followed by certain special characters (abfnrtv).

mnemonic
An ASCII teletype mnemonic.

hexadecimal
A hexadecimal (hex) sequence consists of one or two case-insensitive hex digit
characters (01234567890abcdef). To ensure hex interpretation use hexh,0xhex,xhex or
\xhex.

decimal
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 \<octal>,0o<octal>,o<octal>, or \o<octal>.

bit pattern
A bit pattern (binary) sequence consists of one to eight binary digit characters (01).
To ensure bit interpretation use 0b<bit pattern>,b<bit pattern> or \b<bit pattern>.

ISO/ECMA code
An 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 (unofficial) slang name.

The slang names recognized and printed out are from a rather comprehensive list that first
appeared on USENET in early 1990 and has been continuously 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 metacharacters in arguments
(especially backslash).

This utility is particularly handy for interpreting 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.

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