Difference between revisions of "preprocessFile"

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Revision as of 14:17, 1 September 2019

Introduced with Operation Flashpoint: Resistance version 1.851.85
Hover & click on the images for descriptions


Reads and processes the content of the specified file. Preprocessor is C-like, supports comments using // or /* and */ and PreProcessor Commands.
Due to the hard-drive access this command executes (and the lack of caching) this command should not be used in time-critical script loops.

If the file you are loading is not prepared using UTF-8 encoding and contains some characters with codes > 127, they might convert incorrectly


String = preprocessFile fileName
fileName: String
Return Value:


Example 1:
_content = preprocessFile "myFunction.sqf";

Additional Information

See also:
preprocessFileLineNumbersloadFileFunctionSQF syntaxcallspawnexecVMPreProcessor Commands


Only post proven facts here. Report bugs on the Feedback Tracker and discuss on the Arma Discord or on the Forums.


Posted on March 4, 2008
File path is always relative to mission directory. If script dir\a.sqf includes dir\b.sqf, use "dir\b.sqf" and not "b.sqf".
Posted on July 8, 2011
Use preprocessFileLineNumbers instead as it provides more context information on error.
Posted on December 17, 2013
The main difference between preprocessFile and preprocessFileLineNumbers is that the latter adds #line directive to the target file, which allows to log the __LINE__ error happened at and the __FILE__ error happened in. PreprocessFile.jpg
Posted on July 25, 2014

Essentially what the preprocessFile command does is it refers to the contents of a file as a string:
Example 1:
boop.html: <t align = 'center' valign = 'middle' shadow = '0' size = '2'>structured text</t> init.sqf: _text = parseText preprocessFile "boop.html"; hint _text;
This is especially useful for long strings, and it works on files with any file extension as long as they can be edited with a text editor.
Example 2:
hint preprocessFile "description.ext"; copyToClipboard preprocessFile "mission.sqm"; The above is all valid. However, using *.jpg or any other files saved in an image format is not possible.

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