ulisesojeda commented on issue #13942:
URL: https://github.com/apache/airflow/issues/13942#issuecomment-971818394
Hi @tandelDipak,
In order to define custom commands (functions) you can define it in a single
line before calling.
The BashOperator is not defined to execute a script before running the
**bash_command**
**Example:**
```
run_this = BashOperator(
dag=dag,
task_id='run_bash',
bash_command="print_my_input() { echo Your input: $1 ; } &&
print_my_input 222",
)
```
**Result:**
{subprocess.py:78} INFO - Your input: 222
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