Module: Banalize::Parser::ShellVariables

Included in:
Banalize::Parser
Defined in:
lib/banalize/parser/variables.rb

Overview

Parse and detect all shell variables used in script. Set instance level accessor ‘variables`.

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#variables ⇒ Object

All variables used in shell script



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# File 'lib/banalize/parser/variables.rb', line 26

def variables
  @variables
end

Instance Method Details

#shell_variables ⇒ Array

Parse and detect all shell variables used in script.

Returns:

  • (Array) 


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# File 'lib/banalize/parser/variables.rb', line 14

def shell_variables
  ln = code.grep(/\$\{?\w+\}?/).map(&:last).join " "

  vars = ln.scan(/\$\{?\w+\}?/)
  vars.map! { |x| x.gsub(/[${}]/,'') }
  vars.reject! { |x| x =~ /^\d$/}

  @variables = vars || []
  @variables.uniq!
end