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MT4 build 600 file locations

  • #1
  • First Post: Mar 26, 2014 10:08am Mar 26, 2014 10:08am
Did the location where the files are saved changed with mql5 and the migration to build 600?
They used to be saved in experts -> files but I can not find them anymore. If I use the FileIsExist method it tells me that the file is exists but where?
  • #2
  • Mar 26, 2014 10:13am Mar 26, 2014 10:13am
hm, did you have a look to C:\Users\username\AppData\Roaming\MetaQuotes\Terminal\unique-hashcode-whatever\MQL4\Files ?
PM me with coding requests and I'll probably put you on my ignore list
  • #3
  • Mar 26, 2014 10:22am Mar 26, 2014 10:22am
In the new builds (600+), the folders for indicators and experts were moved in another location in your computer. To find the folders, open your new platform, then click File > Open Data Folder > MQ4 ... then in the MQ4 folder you will find the experts and indicators folders.
MT4/MT5 EAs/Indicators/Alerts coder
  • #4
  • Mar 26, 2014 11:01am Mar 26, 2014 11:01am
Quoting FerruFx
In the new builds (600+), the folders for indicators and experts were moved in another location in your computer. To find the folders, open your new platform, then click File > Open Data Folder > MQ4 ... then in the MQ4 folder you will find the experts and indicators folders.

Thank you!
  • #5
  • Dec 26, 2015 11:07pm Dec 26, 2015 11:07pm
hello all... i am newbie... want to know more about mt4 file allocations... i have one *.pln file and one *.efs file in my mt4 files... any one may please inform me to where i have to place this file at right place
thanking you all
Success is a Journey Not a Destination....... kind regards ramzam
  • #6
  • May 13, 2018 10:58pm May 13, 2018 10:58pm
Quoting FerruFx
In the new builds (600+), the folders for indicators and experts were moved in another location in your computer. To find the folders, open your new platform, then click File > Open Data Folder > MQ4 ... then in the MQ4 folder you will find the experts and indicators folders.
Hi FerruFx,
is it possible to check if an indicator exists or not in '...\MQL4\Indicators' folder (not in 'MQL4\Files' folder) ??
I want to check if a custom indicator exists, before i call it (i Need this, if possible) ...
I found this : https://www.mql5.com/en/forum/140977 , and it will show error code & message on 'Experts' tab of MT4 (bottom) if i use iCustom to call un-existing file. To avoid this, i want to check if the file exists first, before i call that custom indicator using iCustom.
I found this article (using FileIsExists: https://docs.mql4.com/files/fileisexist), it seems only to work on 'MQL4\Files' & its sub folders, but i want to check files (custom indicator) under 'MQL4\Indicators' directory.
Is it possible ?? Any idea is welcome . Thanks in advance ...
  • #7
  • May 14, 2018 1:19am May 14, 2018 1:19am
Quoting newhope
{quote} Hi FerruFx, is it possible to check if an indicator exists or not in '...\MQL4\Indicators' folder (not in 'MQL4\Files' folder) ?? I want to check if a custom indicator exists, before i call it (i Need this, if possible) ... I found this : https://www.mql5.com/en/forum/140977 , and it will show error code & message on 'Experts' tab of MT4 (bottom) if i use iCustom to call un-existing file. To avoid this, i want to check if the file exists first, before i call that custom indicator using iCustom. I found this article (using FileIsExists:...
Yes the check is only for files in the Files folder and subfolders.

Generally when using a custom indicator, the user is supposed to have it in the folder.

If you want a way to stop running, just test the last error and if it is file not found, remove the EA or indicator from chart (do this in OnInit() with return init failed).
MT4/MT5 EAs/Indicators/Alerts coder
  • #8
  • May 14, 2018 11:03pm May 14, 2018 11:03pm
Quoting FerruFx
{quote} Yes the check is only for files in the Files folder and subfolders. Generally when using a custom indicator, the user is supposed to have it in the folder. If you want a way to stop running, just test the last error and if it is file not found, remove the EA or indicator from chart (do this in OnInit() with return init failed).
Hi FerruFx,
Put the code at OnInit() is a good idea, and checking of error code 4072 is nice using iCustom to check if custom indicator 'test.ex4' exists or not, but i still can see this at expert tab :
'can not open file C:\Users\xxx\xxx\xxx\xxx\MQL4\Indicators\test.ex4' [2]
is there another way to hide this '...xxx\MQL4\Indicators\test.ex4' ??
  • #9
  • Last Post: May 14, 2018 11:53pm May 14, 2018 11:53pm
Quoting newhope
{quote} Hi FerruFx, Put the code at OnInit() is a good idea, and checking of error code 4072 is nice using iCustom to check if custom indicator 'test.ex4' exists or not, but i still can see this at expert tab : 'can not open file C:\Users\xxx\xxx\xxx\xxx\MQL4\Indicators\test.ex4' [2] is there another way to hide this '...xxx\MQL4\Indicators\test.ex4' ??
If you call a custom indicator which is not in the indicators folder, you will get the error printed in the log.

Other way would be to use external Win DLL.
MT4/MT5 EAs/Indicators/Alerts coder
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