Compare the file suffix

 

# Include <iostream>

Using namespace std;

# Include <string>

# Include <afx. h>

 

CString GetExtName (CString fileName ){

Int pos = fileName. Find ("."); // obtain the. Location

If (pos =-1) {// if not found, this string is directly returned.

Return fileName;

} Else {

Return GetExtName (fileName. Mid (pos + 1); // if it is found, traverse it in depth until the bottom layer

}

}

 

Int main ()

{

While (1)

{

String str;

Cout <"input:" <endl;

Cin> str;

CString tempFileName;

TempFileName. Format ("% s", str. c_str ());

CString tag = GetExtName (tempFileName );

If (tag. Compare ("txt") = 0)

{

Cout <"output:" <"txt" <endl;

}

Else if (tag. Compare ("wmv") = 0)

{

Cout <"output:" <"wmv" <endl;

}

Else if (tag. Compare ("exe") = 0)

{

Cout <"output:" <"exe" <endl;

}

}

 

Return 0;

}

Output:

 

View plain

Input:

11. exe

Output: exe

Input:

11.exe. wmv

Output: wmv

Input:

111.exe.wmv.txt

Output: txt

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