| Feature | ZXDL Script | Python + Airflow | Bash Script | PowerShell DSC | |-----------------------|----------------------|----------------------|----------------------|----------------------| | Learning curve | Low | Medium | Low | Medium | | Cross-platform | Limited (depends on impl) | Yes | Mostly (WSL) | Windows-native | | Error handling | Basic (IF/ABORT) | Advanced (retries, DAGs) | Basic (exit codes) | Advanced | | Best for | Sequential batch jobs | Complex workflows | System-level tasks | Configuration mgmt | | Extensibility | Low | Very high | High | Medium |
SET $input_path = "/data/incoming/" SET $log_level = "DEBUG" A job contains one or more tasks executed sequentially: zxdl script
TASK read_customer_list COMMAND read_lines --file $work_dir + "customers.txt" --into $customer_array IF [ -z $customer_array ] THEN LOG "ERROR: customer list empty" TO $log_file ABORT JOB ENDIF END_TASK | Feature | ZXDL Script | Python +
FOR EACH $line IN FILE("data.txt") PROCESS $line ENDFOR The zxdl script shines in scenarios where reliability and low overhead outweigh the need for a full programming language. Here are the most common real-world applications: 1. Legacy System Integration Many banks and insurance companies run COBOL-based backends. A zxdl script acts as a glue layer, converting flat files into legacy-compatible formats without requiring full recompilation. 2. Automated ETL Pipelines Extract, Transform, Load (ETL) operations become trivial: A zxdl script acts as a glue layer,
zxdl-run process_invoices.zxdl Like any scripting language, poorly written zxdl scripts can become unmaintainable. Follow these guidelines: Use Modular Includes Avoid monolithic scripts. Split logic into reusable modules:
| Error Message | Likely Cause | Solution | |--------------------------------|---------------------------------------|-------------------------------------------| | Directive not recognized | Outdated interpreter or typo | Verify #ZXDL_VERSION matches your runtime | | Variable expansion failed | Unescaped special characters | Use quotes: SET $path = "C:\my dir" | | Job timeout exceeded | Infinite loop or slow external call | Increase #TIMEOUT or optimize nested loops | | File not found in TASK | Working directory misconfigured | Use absolute paths or CD before task | | FTP login rejected | Credentials expired or IP blocked | Rotate passwords or whitelist your IP |
To execute this script (assuming a hypothetical interpreter called zxdl-run ):