AutoHotkey file logging method

How to Log to Files with AutoHotkey

In programming, logging to the console or files is one of the basic techniques that is useful in many cases such as debugging and recording. However, AutoHotkey does not have terminal-based logging or default file logging functions or methods, so you need to implement logging with a little ingenuity.

Shou Arisaka
1 min read
Oct 31, 2025

In programming, logging to the console or files is one of the basic techniques that is useful in many cases such as debugging and recording. However, AutoHotkey does not have terminal-based logging or default file logging functions or methods, so you need to implement logging with a little ingenuity.

Logging to files with AutoHotkey.

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; C:\pg\autohotkey\env.ahk

LOG_FILE := "C:\pg\autohotkey\log.txt"

#include C:\pg\autohotkey\env.ahk

log(text){

  global LOG_FILE

  FileAppend , %text%`n , %LOG_FILE%

}
log("foobar")

The key points are using global to make the log file path variable available within the function, and adding line breaks to the log with โ€œ%text%`nโ€.

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Shou Arisaka Oct 31, 2025

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