Don't substitute parameters inside comments
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Key: PIG-267
URL: https://issues.apache.org/jira/browse/PIG-267
Project: Pig
Issue Type: Improvement
Reporter: Amir Youssefi
A script with $x in comments fails because Pig thinks it's an undefined
parameter. One approach to address it is to skip substitution for comments.
java.lang.RuntimeException: Undefined parameter : x
at
org.apache.pig.tools.parameters.PreprocessorContext.substitute(PreprocessorContext.java:221)
at
org.apache.pig.tools.parameters.ParameterSubstitutionPreprocessor.parsePigFile(ParameterSubstitutionPreprocessor.java:106)
at
org.apache.pig.tools.parameters.ParameterSubstitutionPreprocessor.genSubstitutedFile(ParameterSubstitutionPreprocessor.java:86)
at org.apache.pig.Main.runParamPreprocessor(Main.java:382)
at org.apache.pig.Main.main(Main.java:284)
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