[CWB] cwb-scan-corpus

[Simon Meier-Vieracker]

Hi,

I am trying to access frequency informations (trigrams) with cwb-scancorpus.

It works fine with this command:

cwb-scan-corpus CORPUS lemma+0 lemma+1 lemma+2 > trigrams.txt

However, I would like to filter out sentence-ending punctuations as tagged with '$.'
I tried something like

cwb-scan-corpus CORPUS lemma+0 lemma+1 lemma+2 ?pos+0=/\$\./ ?pos+1=/\$\./ ?pos+2=/\$\./ > trigrams.txt

but then I get no results. I do have to escape special characters like '$', I guess? What am I doing wrong?

Thanks in advance!
Simon


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