Include the English library file in a Ruby script, and you can reference the global variables such as $_ using less cryptic names, listed below.
Add this line to your application's Gemfile:
And then execute:
Or install it yourself as:
Without 'English':
$\ = ' -- ' "waterbuffalo" =~ /buff/ print $', $$, "\n"
With English:
require "English" $OUTPUT_FIELD_SEPARATOR = ' -- ' "waterbuffalo" =~ /buff/ print $POSTMATCH, $PID, "\n"
The aliases are defined in English.rb, and are as follows, first alias to builtin, then builtin to alias:
Builtin Alias $! $ERROR_INFO $$ $PID $$ $PROCESS_ID $& $MATCH $' $POSTMATCH $* $ARGV $+ $LAST_PAREN_MATCH $, $OFS $, $OUTPUT_FIELD_SEPARATOR $. $INPUT_LINE_NUMBER $. $NR $/ $INPUT_RECORD_SEPARATOR $/ $RS $; $FIELD_SEPARATOR $; $FS $< $DEFAULT_INPUT $> $DEFAULT_OUTPUT $? $CHILD_STATUS $@ $ERROR_POSITION $\ $ORS $\ $OUTPUT_RECORD_SEPARATOR $_ $LAST_READ_LINE $` $PREMATCH $~ $LAST_MATCH_INFO Alias Builtin $ARGV $* $CHILD_STATUS $? $DEFAULT_INPUT $< $DEFAULT_OUTPUT $> $ERROR_INFO $! $ERROR_POSITION $@ $FIELD_SEPARATOR $; $FS $; $INPUT_LINE_NUMBER $. $INPUT_RECORD_SEPARATOR $/ $LAST_MATCH_INFO $~ $LAST_PAREN_MATCH $+ $LAST_READ_LINE $_ $MATCH $& $NR $. $OFS $, $ORS $\ $OUTPUT_FIELD_SEPARATOR $, $OUTPUT_RECORD_SEPARATOR $\ $PID $$ $POSTMATCH $' $PREMATCH $` $PROCESS_ID $$ $RS $/After checking out the repo, run bin/setup to install dependencies. Then, run rake test to run the tests. You can also run bin/console for an interactive prompt that will allow you to experiment.
To install this gem onto your local machine, run bundle exec rake install. To release a new version, update the version number in version.rb, and then run bundle exec rake release, which will create a git tag for the version, push git commits and tags, and push the .gem file to rubygems.org.
Bug reports and pull requests are welcome on GitHub at https://github.com/ruby/English.
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