hfst-regexp2fst man page on DragonFly
[printable version]
HFST-REGEXP2FST(1) User Commands HFST-REGEXP2FST(1)
NAME
hfst-regexp2fst - =Compile (weighted) regular expressions into trans‐
ducer(s)
SYNOPSIS
hfst-regexp2fst [OPTIONS...] [INFILE]
DESCRIPTION
Compile (weighted) regular expressions into transducer(s) Common
options:
-h, --help
Print help message
-V, --version
Print version info
-v, --verbose
Print verbosely while processing
-q, --quiet
Only print fatal erros and requested output
-s, --silent
Alias of --quiet
Input/Output options:
-i, --input=INFILE
Read input transducer from INFILE
-o, --output=OUTFILE
Write output transducer to OUTFILE
String and format options:
-f, --format=FMT
Write result in FMT format
-j, --disjunct
Disjunct all regexps instead of transforming each regexp into a
separate transducer
-l, --line
Input is line separated (default)
-S, --semicolon
Input is semicolon separated
-e, --epsilon=EPS
Map EPS as zero, i.e. epsilon.
-x, --xerox-composition=VALUE Whether flag diacritics are treated as
ordinary
symbols in composition (default is false).
-X, --xfst=VARIABLE
Toggle xfst compatibility option VARIABLE.
Harmonization:
-H, --do-not-harmonize
Do not expand '?' symbols.
-F, --harmonize-flags
Harmonize flag diacritics.
-E, --encode-weights
Encode weights when minimizing (default is false).
If OUTFILE or INFILE is missing or -, standard streams will be used.
FMT must be one of the following: {foma, sfst, openfst-tropical, open‐
fst-log}. If EPS is not defined, the default representation of 0 is
used VALUEs recognized are {true,ON,yes} and {false,OFF,no}. Xfst
variables are {flag-is-epsilon (default OFF)}.
EXAMPLES
echo " {cat}:{dog} " | hfst-regexp2fst
create transducer {cat}:{dog}
echo " {cat}:{dog}::3 " | hfst-regexp2fst
same but with weight 3
echo " c:d a:o::3 t:g " | hfst-regexp2fst
same but with weight 3 in the middle
echo " {cat}:{dog} ; 3 " | hfst-regexp2fst
legacy way of defining weights
echo " cat ; dog ; 3 " | hfst-regexp2fst -S
create transducers "cat" and "dog" and "3"
REPORTING BUGS
Report bugs to <hfst-bugs@helsinki.fi> or directly to our bug tracker
at: <https://source‐
forge.net/tracker/?atid=1061990&group_id=224521&func=browse>
hfst-regexp2fst home page:
<https://kitwiki.csc.fi/twiki/bin/view/KitWiki//Regexp2Fst>
General help using HFST software:
<https://kitwiki.csc.fi/twiki/bin/view/KitWiki//HfstHome>
COPYRIGHT
Copyright © 2010 University of Helsinki, License GPLv3: GNU GPL version
3 <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
HFST October 2014 HFST-REGEXP2FST(1)
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