chapter04testsearchpath.pro

来自「idl 可视化分析与应用(随书程序)」· PRO 代码 · 共 22 行

PRO
22
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; Chapter04TestSearchPath.pro
PRO  Chapter04TestSearchPath
  MyPath = 'D:\IDL\JTIDL60'
  MyExist = STRPOS( !Path, MyPath)
  IF  MyExist NE -1  THEN  BEGIN
    PRINT,  '目录在搜索路径中!'
    PRINT,  !PATH
  ENDIF  ELSE  BEGIN
    PRINT,  '目录不在搜索路径中!'
    yn = ' '
    READ,  PROMPT = "添加目录吗?(Y or N):",  yn
    yn = STRUPCASE(yn)
    IF  yn EQ "Y"  THEN  BEGIN
      !PATH = !PATH + ';' + MyPath
      PRINT, '目录已经添加到搜索路径中!'
      PRINT,  !PATH
    ENDIF  ELSE  BEGIN
      PRINT, '目录没有添加到搜索路径中!'
    ENDELSE
  ENDELSE
END

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