From fe01334bb302b82e960f29d454b1e16eff8d8586 Mon Sep 17 00:00:00 2001
From: JP Simard <jp@jpsim.com>
Date: Thu, 8 Dec 2016 01:39:41 -0800
Subject: [PATCH] another small refactoring of Configuration+CommandLine.swift

---
 .../Extensions/Configuration+CommandLine.swift | 18 ++++++++----------
 1 file changed, 8 insertions(+), 10 deletions(-)

diff --git a/Source/swiftlint/Extensions/Configuration+CommandLine.swift b/Source/swiftlint/Extensions/Configuration+CommandLine.swift
index 5846c82a9..bcc6f8827 100644
--- a/Source/swiftlint/Extensions/Configuration+CommandLine.swift
+++ b/Source/swiftlint/Extensions/Configuration+CommandLine.swift
@@ -33,16 +33,14 @@ private func scriptInputFiles() -> Result<[String], CommandantError<()>> {
     }()
 
     return count.flatMap { count in
-        let inputFiles = (0..<count)
-            .map { getEnvironmentVariable("SCRIPT_INPUT_FILE_\($0)") }
-            .flatMap { path -> String? in
-                switch path {
-                case let .success(path):
-                    return path
-                case let .failure(error):
-                    queuedPrintError(String(describing: error))
-                    return nil
-                }
+        let inputFiles = (0..<count).flatMap { fileNumber -> String? in
+            switch getEnvironmentVariable("SCRIPT_INPUT_FILE_\(fileNumber)") {
+            case let .success(path):
+                return path
+            case let .failure(error):
+                queuedPrintError(String(describing: error))
+                return nil
+            }
         }
         return Result(inputFiles)
     }