java - Adding new option for command line parser: Unrecognised option error -

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so i've forked , zipped code github repository contains java files require command line arguments.

here's relevant code problem-

options options = new options();     options.addoption("f", false, "force processing of text file");     options.addoption("printhtml", false, "print html file inspection");     options.addoption("w", true, "coreference weight file");     options.addoption("doc", true, "text document process");     options.addoption("tok", true, "processed text document");     options.addoption("docid", true, "text document id process");     options.addoption("p", true, "output directory");     options.addoption("id", true, "book id");     options.addoption("d", false, "dump pronoun , quotes annotation")      commandline cmd = null;     try {         commandlineparser parser = new basicparser();         cmd = parser.parse(options, args);     } catch (exception e) {         e.printstacktrace();     }

to added option 'quoteattr' per own requirements 

options options = new options();     options.addoption("f", false, "force processing of text file");     options.addoption("printhtml", false, "print html file inspection");     options.addoption("quoteattr", false, "print quote ids , attributions");//here     options.addoption("w", true, "coreference weight file");     options.addoption("doc", true, "text document process");     options.addoption("tok", true, "processed text document");     options.addoption("docid", true, "text document id process");     options.addoption("p", true, "output directory");     options.addoption("id", true, "book id");     options.addoption("d", false, "dump pronoun , quotes annotation");      commandline cmd = null;     try {         commandlineparser parser = new basicparser();         cmd = parser.parse(options, args);     } catch (exception e) {         e.printstacktrace();     }

adding option code in nothing regular functioning of program.

as shown here -

./runjava novels/booknlp -doc data/originaltexts/dickens.oliver.pg730.txt -printhtml -p data/output/dickens -tok data/tokens/dickens.oliver.tokens -f adding annotator tokenize adding annotator ssplit adding annotator pos reading pos tagger model edu/stanford/nlp/models/pos-tagger/english-left3words/english-left3words-distsim.tagger ... done [1.6 sec]. adding annotator lemma adding annotator ner loading classifier edu/stanford/nlp/models/ner/english.all.3class.distsim.crf.ser.gz ... done [4.6 sec]. loading classifier edu/stanford/nlp/models/ner/english.muc.7class.distsim.crf.ser.gz ...

however when use 'quoteattr' option on command line -

./runjava novels/booknlp -doc data/originaltexts/dickens.oliver.pg730.txt -printhtml -quoteattr -p data/output/dickens -tok data/tokens/dickens.oliver.tokens -f

i error -

org.apache.commons.cli.unrecognizedoptionexception: unrecognized option: -quoteattr @ org.apache.commons.cli.parser.processoption(parser.java:363) @ org.apache.commons.cli.parser.parse(parser.java:199) @ org.apache.commons.cli.parser.parse(parser.java:85) @ novels.booknlp.main(booknlp.java:98) exception in thread "main" java.lang.nullpointerexception @ novels.booknlp.main(booknlp.java:106)

why happening?


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