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[SPARK-5434] [EC2] Preserve spaces in EC2 path

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Fixes [SPARK-5434](https://issues.apache.org/jira/browse/SPARK-5434).

Simple demonstration of the problem and the fix:

```
$ spacey_path="/path/with some/spaces"
$ dirname $spacey_path
usage: dirname path
$ echo $?
1
$ dirname "$spacey_path"
/path/with some
$ echo $?
0
```

Author: Nicholas Chammas <nicholas.chammas@gmail.com>

Closes #4224 from nchammas/patch-1 and squashes the following commits:

960711a [Nicholas Chammas] [EC2] Preserve spaces in EC2 path
This commit is contained in:
Nicholas Chammas 2015-01-28 12:56:03 -08:00 committed by Andrew Or
parent 84b6ecdef6
commit d44ee43665
1 changed files with 1 additions and 1 deletions
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ec2/spark-ec2
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@ -20,6 +20,6 @@
# Preserve the user's CWD so that relative paths are passed correctly to
#+ the underlying Python script.
SPARK_EC2_DIR="$(dirname $0)"
SPARK_EC2_DIR="$(dirname "$0")"
python -Wdefault "${SPARK_EC2_DIR}/spark_ec2.py" "$@"