NSIS：获取安装程序文件名中的特定字符串

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一、IP地址在前且后面的字符串长度固定，比如192.8.205.191-install.exe

1. Name "获取文件名中的字符串一"
   
2. Caption "$(^Name)"
   
3. OutFile "192.8.205.191-install.exe"
   
4. XPStyle on
   
5. 
   
6. Section
   
7.         StrLen $R1 $EXEFILE
   
8.         IntOp $R1 $R1 - 12
   
9.         StrCpy $R0 $EXEFILE $R1
   
10.         MessageBox MB_OK "IP：$R0"
    
11. SectionEnd

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二、IP地址在中间且前后有特定字符，比如client-192.8.205.191-install.exe

1. Name "获取文件名中的字符串二"
   
2. Caption "$(^Name)"
   
3. OutFile "client-192.8.205.191-install.exe"
   
4. XPStyle on
   
5. !include "WordFunc.nsh"
   
6. 
   
7. Section
   
8.         ${WordFind2X} "$EXEFILE" "-" "-" "-1" $R0
   
9.         MessageBox MB_OK "IP：$R0"
   
10. SectionEnd

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