Replace unnecessary string interpolation with concatenation.

interfaces/f2003/bindGen.rb

@@ -461,7 +461,7 @@ $returnTypeTemplates = [
 		:helperVars => '',
 		:precallStatements => '',
 		:receiveAs => 'type(c_ptr)',
-		:assignVariable => "#{$wrapperResultVarName}%ptr",
+		:assignVariable => $wrapperResultVarName + '%ptr',
 		:postcallStatements => ''
 	}
 ]
@@ -615,7 +615,7 @@ end
 
 def defineConstant(name, value)
 	if /^(\+|-|)\d+$/.match(value)
-		formatLines($declarationLines, 1, "integer(c_int), public, parameter :: #{name} = #{value}")
+		formatLines($declarationLines, 1, "integer(c_int), public, parameter :: #{name} = " + value)
 	else
 		$stderr.puts("Error: value '#{value}' of constant '#{name}' is not an integer literal")
 	end
@@ -646,12 +646,12 @@ def definePublicType(name, body)
 	body.gsub(/[^;]+;/) do |variableDeclaration|
 		if template = findTemplate(variableDeclaration, $typeTemplates)
 			variable = TemplateInstanciation.new(variableDeclaration, template)
-			formatLines($declarationLines, 2, "#{variable.expandTemplate(:declareAs)}")
+			formatLines($declarationLines, 2, variable.expandTemplate(:declareAs))
 		else
-			$stderr.puts("Error: Can't translate the declaration '#{variableDeclaration}'")
+			$stderr.puts("Error: Can't translate the declaration '" + variableDeclaration + "'")
 		end
 	end
-	formatLines($declarationLines, 1, "end type t_#{name}")
+	formatLines($declarationLines, 1, 'end type t_' + name)
 	$publicTypes.push(name)
 end
 
@@ -823,7 +823,7 @@ end
 #Scan the given header and collect the interface information in the global variables.
 def scanHeader(headerPath)
 	#Scan the given header.
-	headerLines = IO.popen("cpp -fpreprocessed -dD #{headerPath}").readlines	#The options cause the preprocessor to strip all comments, but retain all #defines, and ignore #includes.
+	headerLines = IO.popen('cpp -fpreprocessed -dD ' + headerPath).readlines	#The options cause the preprocessor to strip all comments, but retain all #defines, and ignore #includes.
 	headerLines.each do |line|
 		line.chomp!
 
@@ -880,7 +880,7 @@ def writeFortranModule(scriptPath, headerPath, modulePath, moduleName)
 	fortranLine(file, "! Generated by \"#{scriptPath}\" from input file \"#{headerPath}\".")
 	fortranLine(file, "");
 
-	fortranLine(file, "module #{moduleName}")
+	fortranLine(file, 'module ' + moduleName)
 	fortranLine(file, "\tuse iso_c_binding")
 	fortranLine(file, "\timplicit none")
 	fortranLine(file, "\tprivate")
@@ -910,7 +910,7 @@ def writeFortranModule(scriptPath, headerPath, modulePath, moduleName)
 		fortranLine(file, line)
 	end
 
-	fortranLine(file, "end module #{moduleName}")
+	fortranLine(file, 'end module ' + moduleName)
 end
 
 def main
@@ -944,8 +944,8 @@ def main
 		writeFortranModule($0, headerPath, outputPath, moduleName)
 	else
 		puts("Usage:")
-		puts("#{$0} cHeader outputPath [ moduleName ]")
-		puts("#{$0} ( -h | --help )")
+		puts($0 + ' cHeader outputPath [ moduleName ]')
+		puts($0 + ' ( -h | --help )')
 		puts("")
 		puts("\tcHeader:    input C header file")
 		puts("\toutputPath: output fortran file name")