Title here
Summary here
Execing Processes in GDScript
Here’s the translation of the Go code to GDScript, formatted in Markdown suitable for Hugo:
Our example demonstrates how to replace the current process with another one using GDScript. This is similar to the classic exec function in Unix-like systems.
extends SceneTree
func _init():
# For our example, we'll execute the 'ls' command. GDScript doesn't have a
# direct equivalent to Go's exec.LookPath, so we'll assume 'ls' is in the PATH.
var binary = "ls"
# In GDScript, we pass arguments as an array of strings.
# The first argument should be the program name.
var args = [binary, "-a", "-l", "-h"]
# GDScript doesn't have direct access to environment variables like Go does.
# If needed, you could use OS.get_environment() to get specific variables.
# Here's the actual call to execute the external process.
# If successful, this will replace the current process with 'ls'.
var output = []
var exit_code = OS.execute(binary, args, true, output)
# If we reach this point, it means the execution failed.
if exit_code != 0:
print("Failed to execute process. Exit code: ", exit_code)
else:
# This shouldn't be reached if the process is successfully replaced
print("Output: ", output[0])
# Quit the script
quit()When we run our program, it should be replaced by the ls command:
$ godot -s exec_process.gd
total 16
drwxr-xr-x 4 user 136B Oct 3 16:29 .
drwxr-xr-x 91 user 3.0K Oct 3 12:50 ..
-rw-r--r-- 1 user 1.3K Oct 3 16:28 exec_process.gdNote that GDScript, being primarily a game development language, doesn’t offer a direct equivalent to Unix’s exec function. The OS.execute() method is the closest equivalent, but it doesn’t actually replace the current process. Instead, it runs the command and returns the output.
Also, GDScript doesn’t have a concept similar to Go’s goroutines. For concurrent operations in Godot, you would typically use signals, timers, or threads, depending on the specific use case.