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Store multiline string parameter into file in Jenkins

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Problem

When using multi-line string parameter to get text variable in Jenkins, the result may appear in one line as a shell variable with space seperation.

Explaination

You should convert to multiline text first by specifying seperator and save into a file.

Solution

assuming multiline variable in Jenkins is file_body, and written file name is file_name, possible convert script could be:

#!/usr/bin/env python
import os
import io

with io.open(os.getenv("file_name"), "w", encoding="utf-8") as text_file:
    text_file.write("%s" % unicode(os.getenv("file_body")))
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