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@amoghrajesh
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We perform a find command here:

locate_file_cmd = """
sleep 10
find {{params.source_location}} -type f -printf "%f\n" | head -1
"""
t_view = BashOperator(
task_id="view_file",
bash_command=locate_file_cmd,
do_xcom_push=True,
params={"source_location": "/your/input_dir/path"},
dag=dag,
)
. Since its a file find, we should use quotes.


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@potiuk
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potiuk commented Feb 15, 2025

Still when the params contain "'" tt can be abused .

@amoghrajesh
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Ah yes. good catch!

@amoghrajesh
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@potiuk shlex is the way to go. I tried with double and single quotes, works as I expected.

@potiuk potiuk merged commit 7f98fde into apache:main Feb 16, 2025
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@Vincent550102
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@amoghrajesh The injection still exists. I just send a PR.

#46809

dantonbertuol pushed a commit to dantonbertuol/airflow that referenced this pull request Feb 17, 2025
* Using quotes for file path in find command

* preventing quoted params
ntr pushed a commit to ntr/airflow that referenced this pull request Feb 20, 2025
* Using quotes for file path in find command

* preventing quoted params
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3 participants