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Top Forums UNIX for Dummies Questions & Answers Replacing 2 lines by single line Post 302661969 by bartus11 on Tuesday 26th of June 2012 03:09:26 AM
Old 06-26-2012
From http://perldoc.perl.org/perlrun.html:
Code:
-0[octal/hexadecimal]
specifies the input record separator ($/ ) as an octal or hexadecimal number. If there are no digits, the null character is the separator. 
Other switches may precede or follow the digits. For example, if you have a version of find which can print filenames terminated by 
the null character, you can say this:
    find . -name '*.orig' -print0 | perl -n0e unlink
The special value 00 will cause Perl to slurp files in paragraph mode. Any value 0400 or above will cause Perl to slurp files whole, 
but by convention the value 0777 is the one normally used for this purpose.
You can also specify the separator character using 
hexadecimal notation: -0xHHH..., where the H are valid hexadecimal digits. Unlike the octal form, this one may be used to specify 
any Unicode character, even those beyond 0xFF. So if you really want a record separator of 0777, specify it as -0x1FF. 
(This means that you cannot use the -x option with a directory name that consists of hexadecimal digits, or else Perl will think you have 
specified a hex number to -0.)

 

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ascii2uni(1)						      General Commands Manual						      ascii2uni(1)

NAME
ascii2uni - convert 7-bit ASCII representations to UTF-8 Unicode SYNOPSIS
ascii2uni [options] (<input file name>) DESCRIPTION
ascii2uni converts various 7-bit ASCII representations to UTF-8. It reads from the standard input and writes to the standard output. The representations understood are listed below under the command line options. If no format is specified, standard hexadecimal format (e.g. 0x00e9) is assumed. COMMAND LINE OPTIONS
-a <format> Convert from the specified format. Formats may be specified by means of the following arbitrary single character codes, by means of names such as "SGML_decimal", and by examples of the desired format. A Convert hexadecimal numbers with prefix U in angle-brackets (<U00E9>). B Convert x-escaped hex (e.g. x00E9) C Convert x escaped hexadecimal numbers in braces (e.g. x{00E9}). D Convert decimal HTML numeric character references (e.g. &#0233;) E Convert hexadecimal with prefix U (U00E9). F Convert hexadecimal with prefix u (u00E9). G Convert hexadecimal in single quotes with prefix X (e.g. X'00E9'). H Convert hexadecimal HTML numeric character references (e.g. &#x00E9;) I Convert hexadecimal UTF-8 with each byte's hex preceded by an =-sign (e.g. =C3=A9) . This is the Quoted Printable format defined by RFC 2045. J Convert hexadecimal UTF-8 with each byte's hex preceded by a %-sign (e.g. %C3%A9). This is the URIescape format defined by RFC 2396. K Convert octal UTF-8 with each byte escaped by a backslash (e.g. 303251) L Convert U-escaped hex outside the BMP, u-escaped hex within the BMP (U+0000-U+FFFF). M Convert hexadecimal SGML numeric character references (e.g. #xE9;) N Convert decimal SGML numeric character references (e.g. #233;) O Convert octal escapes for the three low bytes in big-endian order(e.g. 0000351)) P Convert hexadecimal numbers with prefix U+ (e.g. U+00E9) Q Convert HTML character entities (e.g. &eacute;). R Convert raw hexadecimal numbers (e.g. 00E9) S Convert hexadecimal escapes for the three low bytes in big-endian order (e.g. x00x00xE9) T Convert decimal escapes for the three low bytes in big-endian order (e.g. d000d000d233) U Convert u-escaped hexadecimal numbers (e.g. u00E9). V Convert u-escaped decimal numbers (e.g. u00233). X Convert standard hexadecimal numbers (e.g. 0x00E9). Y Convert all three types of HTML escape: hexadecimal and decimal character references and character entities. 0 Convert hexadecimal UTF-8 with each byte's hex enclosed within angle brackets (e.g. <C3><A9>). 1 Convert Common Lisp format hexadecimal numbers (e.g. #x00E9). 2 Convert Perl format decimal numbers with prefix v (e.g. v233). 3 Convert hexadecimal numbers with prefix $ (e.g. $00E9). 4 Convert Postscript format hexadecimal numbers with prefix 16# (e.g. 16#00E9). 5 Convert Common Lisp format hexadecimal numbers with prefix #16r (e.g. #16r00E9). 6 Convert ADA format hexadecimal numbers with prefix 16# and suffix # (e.g. 16#00E9#). 7 Convert Apache log format hexadecimal UTF-8 with each byte's hex preceded by a backslash-x (e.g. xC3xA9). 8 Convert Microsoft OOXML format hexadecimal numbers with prefix _x and suffix _ (e.g. _x00E9_). 9 Convert %u-escaped hexadecimal numbers (e.g. %u00E9). -h Help. Print the usage message and exit. -v Print program version information and exit. -m Accept deprecated HTML entities lacking final semicolon, e.g. "&#x00E9" in place of "&#x00E9;". -p Pure. Assume that the input consists entirely of escapes except for arbitrary (but non-null) amounts of separating whitespace. -q Be quiet. Do not chat unnecessarily. -Z <format> Convert input using the supplied format. The format specified will be used as the format string in a call to sscanf(3) with a single argument consisting of a pointer to an unsigned long integer. For example, to obtain the same results as with the -U flag, the for- mat would be: u%04X. If the format is Quoted-Printable, although it is not strictly speaking conversion of an ASCII escape to Unicode, in accordance with RFC 2045, if an equal-sign occurs at the end of an input line, both the equal-sign and the immediately following newline are skipped. All options that accept hexadecimal input recognize both upper- and lower-case hexadecimal digits. EXIT STATUS
The following values are returned on exit: 0 SUCCESS The input was successfully converted. 3 INFO The user requested information such as the version number or usage synopsis and this has been provided. 5 BAD OPTION An incorrect option flag was given on the command line. 7 OUT OF MEMORY Additional memory was unsuccessfully requested. 8 BAD RECORD An ill-formed record was detected in the input. SEE ALSO
uni2ascii(1) AUTHOR
Bill Poser <billposer@alum.mit.edu> LICENSE
GNU General Public License December, 2010 ascii2uni(1)
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