64
Usage Error
Command line usage error
Application
Exit Code Information
Exit Code
64
Name
Usage Error
Category
Application
Usage Context
Invalid command line arguments
Common Usage
Bash Script
#!/bin/bash if [ condition ]; then echo "Usage Error" exit 64 fi
Check Exit Code
./script.sh echo $? # Prints the exit code # Check if exit code matches if [ $? -eq 64 ]; then echo "Usage Error" fi
Node.js/JavaScript
// Exit with code 64
process.exit(64);
// Or throw error that results in exit code
if (error) {
console.error('Usage Error');
process.exit(64);
}Python
import sys
# Exit with code 64
if error:
print("Usage Error")
sys.exit(64)Exit Code 64 - Usage Error
Command line usage error Invalid command line arguments Exit codes are used to indicate the success or failure of a program or script. A value of 0 typically indicates success, while non-zero values indicate various types of errors or specific conditions.