Unix-like tree utilities

All utilities read trees from stdin and write trees to stdout.

words

Extract and print words from trees.

python -m'dep_tregex' words <en-ud-test.conllu

What if Google Morphed Into GoogleOS ?
What if Google expanded on its search - engine ( and now e-mail ) wares into a full - fledged operating system ?
[ via Microsoft Watch from Mary Jo Foley ]
<...>

wc

Count number of trees.

python -m'dep_tregex' wc <en-ud-test.conllu

2077

nth

Print N’th tree (N is 1-based).

python -m'dep_tregex' nth 10 <en-ud-test.conllu

1   I       I       PRON    PRP     Case=Nom|Number=Sing|Person=1|PronType=Prs      3       nsubj   _       _
2   'm      be      AUX     VBP     Mood=Ind|Tense=Pres|VerbForm=Fin        3       aux     _       _
3   staying stay    VERB    VBG     Tense=Pres|VerbForm=Part        0       root    _       _
4   away    away    ADV     RB      _       3       advmod  _       _
5   from    from    ADP     IN      _       7       case    _       _
6   the     the     DET     DT      Definite=Def|PronType=Art       7       det     _       _
7   stock   stock   NOUN    NN      Number=Sing     4       nmod    _       _
8   .       .       PUNCT   .       _       3       punct   _       _

head

Print first N trees.

python -m'dep_tregex' head 10 <en-ud-test.conllu

tail

Print last N trees.

python -m'dep_tregex' tail 10 <en-ud-test.conllu

Also supports tail +N syntax, which prints all but first N - 1 trees.

python -m'dep_tregex' tail +10 <en-ud-test.conllu

shuf

Randomly shuffle trees.

python -m'dep_tregex' shuf <en-ud-test.conllu

html

View trees in browser.

python -m'dep_tregex' html <en-ud-test.conllu

See also Common HTML format options.

grep

Print only trees that match tregex pattern.

python -m'dep_tregex' grep "w1 form /..../" <en-ud-test.conllu

--html

View matches in browser instead of printing matching trees to stdout.

See also Common HTML format options.

sed

Apply scripts from file to the trees and print resulting trees.

python -m'dep_tregex' sed script.txt <en-ud-test.conllu

gdb

View step-by step script application (done by sed) to a single tree.

python -m'dep_tregex' gdb script.txt <en-ud-test.conllu

See also Common HTML format options.

Common HTML format options

Commands that print or show HTML (html, grep --html, and gdb) have common formatting options.

--print

Instead of opening a browser window, print HTML to stdout.

--limit N

Show only first N trees.

Not applicable to gdb, which always shows only one tree.

--lemma

Show LEMMA CoNLL field.

--cpostag

Show CPOSTAG CoNLL field.

--postag

Show POSTAG CoNLL field.

--feats

Show FEATS CoNLL field.

--reuse-tab

When opening a new browser tab, try to re-use existing one.