nobu	2015-07-14 17:13:18 +0900 (Tue, 14 Jul 2015)

  New Revision: 51239

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=51239

  Log:
    rtname.cmd: extract at once
    
    * win32/rtname.cmd: extract runtime DLL names at once, and other
      refactoring.

  Modified files:
    trunk/win32/rtname.cmd
Index: win32/rtname.cmd
===================================================================
--- win32/rtname.cmd	(revision 51238)
+++ win32/rtname.cmd	(revision 51239)
@@ -2,30 +2,34 @@ https://github.com/ruby/ruby/blob/trunk/win32/rtname.cmd#L2
 set rt=
 set rtver=
 set osver=
-for /f "usebackq" %%I in (`dumpbin -dependents %1 ^| findstr -r -i "\<msvcr.*\.dll$"`) do set rt=%%~nI
-if "%rt%" NEQ "" goto :msvcr
-for /f "usebackq" %%I in (`dumpbin -dependents %1 ^| findstr -r -i "\<vcruntime.*\.dll$"`) do set rt=%%~nI
-if "%rt%" NEQ "" goto :vcruntime
+for /f "usebackq" %%I in (`
+    dumpbin -dependents %1 ^|
+    findstr -r -i -c:"\<vcruntime.*\.dll$" -c:"\<msvcr.*\.dll$"
+`) do (
+    set rt=%%~nI
+)
 
-(echo %0: %1 is not linked to msvcrt nor vcruntime) 1>&2
-exit 1
+for %%i in (a b c d e f g h i j k l m n o p q r s t u v w x y z) do @(
+    ::- downcase
+    call set rt=%%rt:%%i=%%i%%
+)
 
-:msvcr
-for %%i in (a b c d e f g h i j k l m n o p q r s t u v w x y z) do @call set rt=%%rt:%%i=%%i%%
 if "%rt%" == "msvcrt" (
     call set rtver=60
-) else (
+) else if "%rt:~0,5%" == "msvcr" (
     call set rtver=%%rt:msvcr=%%
-    call set rt=msvcr%%rtver%%
     call set osver=_%%rtver%%
+) else if "%rt:~0,9%" == "vcruntime" (
+    call set rtver=%%rt:vcruntime=%%
+    call set osver=_%%rtver%%
+) else (
+    (echo %0: %1 is not linked to msvcrt nor vcruntime) 1>&2
+    exit 1
+)
+for %%I in (
+    "PLATFORM = $(TARGET_OS)%osver%"
+    "RT = %rt%"
+    "RT_VER = %rtver%"
+) do @(
+    echo %%~I
 )
-goto :exit
-
-:vcruntime
-for %%i in (a b c d e f g h i j k l m n o p q r s t u v w x y z) do @call set rt=%%rt:%%i=%%i%%
-call set rtver=%%rt:vcruntime=%%
-call set rt=vcruntime%%rtver%%
-call set osver=_%%rtver%%
-
-:exit
-for %%I in ("PLATFORM = $(TARGET_OS)%osver%" "RT = %rt%" "RT_VER = %rtver%") do @echo %%~I

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