From: windwiny Date: 2013-04-27T11:48:35+09:00 Subject: Re: what is the $- magic global? --047d7b15b0d78820a804db4e9887 Content-Type: text/plain; charset=UTF-8 $xxxx is create a global variable, or return nil (if it is not ruby predefined). xxxx is valid variable name. 2013/4/27 Stu > It's not documented in English.rb so it has not been aliased to a > REALLY_LONG_VARIABLE_4JAVA_DEVS > > The posix shell definition for $- is: > > $- (hyphen) Expands to the current option flags (the single-letter > option names concatenated into a string) as specified on invoca- > tion, by the *set* built-in command, or implicitly by the shell. > > I see no reason for ruby to have it defined differently. > > English.rb is well documented in 2.0: > > # $ERROR_INFO:: $! > > > # $ERROR_POSITION:: $@ > # $FS:: $; > # $FIELD_SEPARATOR:: $; > # $OFS:: $, > # $OUTPUT_FIELD_SEPARATOR:: $, > # $RS:: $/ > # $INPUT_RECORD_SEPARATOR:: $/ > > > # $ORS:: $\ > # $OUTPUT_RECORD_SEPARATOR:: $\ > # $INPUT_LINE_NUMBER:: $. > # $NR:: $. > # $LAST_READ_LINE:: $_ > # $DEFAULT_OUTPUT:: $> > # $DEFAULT_INPUT:: $< > > > # $PID:: $$ > # $PROCESS_ID:: $$ > # $CHILD_STATUS:: $? > # $LAST_MATCH_INFO:: $~ > # $IGNORECASE:: $= > # $ARGV:: $* > # $MATCH:: $& > > > # $PREMATCH:: $` > # $POSTMATCH:: $' > # $LAST_PAREN_MATCH:: $+ > > --047d7b15b0d78820a804db4e9887 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
$xxxx is create a global variable, =C2=A0or return nil (if= it is not ruby predefined).=C2=A0

xxxx is valid variabl= e name.


2013/4/27 Stu <stu@rubyprogrammer.net>
It's not documente= d in English.rb so it has not been aliased to a REALLY_LONG_VARIABLE_4JAVA_= DEVS

The posix shell definition for $- is:
$-      (hyphen) Ex=
pands to the current option flags (the single-letter
	     option names concatenated into a string) as specified on invoca-
	     tion, by the set built-in command, or implicitly by the shell.=


I see no reason for ruby to have it defined differently.=


English.rb is well documented in 2.0:

#  $ERROR_I=
NFO::              $!



#  $ERROR_POSITION::          $@
#  $FS::                      $;
#  =
$FIELD_SEPARATOR::         $;
#  $OFS::                     $,
#  $OU=
TPUT_FIELD_SEPARATOR::  $,
#  $RS::                      $/
#  $INPUT=
_RECORD_SEPARATOR::  $/



#  $ORS::                     $\
#  $OUTPUT_RECORD_SEPARATOR:: $\
#  =
$INPUT_LINE_NUMBER::       $.
#  $NR::                      $.
#  $LA=
ST_READ_LINE::          $_
#  $DEFAULT_OUTPUT::          $>
#  $DE=
FAULT_INPUT::           $<



#  $PID::                     $$
#  $PROCESS_ID::              $$
#  =
$CHILD_STATUS::            $?
#  $LAST_MATCH_INFO::         $~
#  $IG=
NORECASE::              $=3D
#  $ARGV::                    $*
#  $MAT=
CH::                   $&



#  $PREMATCH::                $`
#  $POSTMATCH::               $'#  $LAST_PAREN_MATCH::        $+

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