nnguyen168 opened a new pull request, #56087:
URL: https://github.com/apache/spark/pull/56087
### What changes were proposed in this pull request?
This PR fixes a shell syntax issue in the PySpark installation
documentation. The `IFS` delimiter in the `PYTHONPATH` export command was not
quoted, which can cause unexpected behavior in certain shell environments.
**Before:**
```bash
export PYTHONPATH=$(ZIPS=("$SPARK_HOME"/python/lib/*.zip); IFS=:; echo
"${ZIPS[*]}"):$PYTHONPATH
```
**After:**
```bash
export PYTHONPATH=$(ZIPS=("$SPARK_HOME"/python/lib/*.zip); IFS=":"; echo
"${ZIPS[*]}"):$PYTHONPATH
```
### Why are the changes needed?
As reported in
[SPARK-51377](https://issues.apache.org/jira/browse/SPARK-51377), the unquoted
`IFS=:` can lead to inconsistent behavior. Quoting the delimiter (`IFS=":"`)
ensures proper shell behavior across different environments (bash, zsh, etc.).
### Does this PR introduce _any_ user-facing change?
No. This is a documentation-only change.
### How was this patch tested?
Manually verified the corrected command works in both bash and zsh shells.
### Was this patch authored or co-authored using generative AI tooling?
Generated-by: Claude Code (claude-opus-4-5-20251101)
This pull request and its description were written by Isaac.
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