forked from rosh/MQL5Book
35 lines
1.5 KiB
MQL5
35 lines
1.5 KiB
MQL5
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//+------------------------------------------------------------------+
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//| FileExist.mq5 |
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//| Copyright 2021, MetaQuotes Ltd. |
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//| https://www.mql5.com |
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//+------------------------------------------------------------------+
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#include "..\..\Include\PRTF.mqh"
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const string filetemp = "MQL5Book/temp";
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//+------------------------------------------------------------------+
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//| Script program start function |
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//+------------------------------------------------------------------+
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void OnStart()
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{
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PRTF(FileIsExist(filetemp)); // false / FILE_NOT_EXIST(5019)
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PRTF(FileDelete(filetemp)); // false / FILE_NOT_EXIST(5019)
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// create new file or empty existing one
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int handle = PRTF(FileOpen(filetemp, FILE_TXT | FILE_WRITE | FILE_ANSI)); // 1
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PRTF(FileIsExist(filetemp)); // true
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// file is currently open, so it's locked for deletion
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PRTF(FileDelete(filetemp)); // false / CANNOT_DELETE_FILE(5006)
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FileClose(handle);
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PRTF(FileIsExist(filetemp)); // true
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PRTF(FileDelete(filetemp)); // true
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PRTF(FileIsExist(filetemp)); // false / FILE_NOT_EXIST(5019)
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PRTF(FileIsExist("MQL5Book")); // false / FILE_IS_DIRECTORY(5018)
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PRTF(FileDelete("MQL5Book")); // false / FILE_IS_DIRECTORY(5018)
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}
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//+------------------------------------------------------------------+
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