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printEnvVariablesToFile.py overwrites itself if invoked without arguments #24487

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printEnvVariablesToFile.py overwrites itself if invoked without arguments #24487

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printEnvVariablesToFile.py overwrites itself if invoked without argum…
joar Nov 25, 2024
ba8d65c
Remove excessive newline
joar Nov 25, 2024
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8 changes: 6 additions & 2 deletions python_files/printEnvVariablesToFile.py
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Original file line number Diff line number Diff line change
Expand Up @@ -4,8 +4,12 @@
import os
import sys

# Last argument is the target file into which we'll write the env variables line by line.
output_file = sys.argv[-1]
# Prevent overwriting itself, since sys.argv[0] is the path to this file
if len(sys.argv) > 1:
# Last argument is the target file into which we'll write the env variables line by line.
output_file = sys.argv[-1]
else:
raise ValueError("Missing output file argument")

with open(output_file, "w") as outfile: # noqa: PTH123
for key, val in os.environ.items():
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