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HFST-SUBSTITUTE(1)               User Commands              HFST-SUBSTITUTE(1)


NAME

       hfst-substitute - =Relabel transducer arcs


SYNOPSIS

       hfst-substitute [OPTIONS...] [INFILE]


DESCRIPTION

       Relabel transducer arcs

   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

   Relabeling options:
       -f, --from-label=FLABEL
              replace FLABEL

       -t, --to-label=TLABEL
              replace with TLABEL

       -T, --to-transducer=TFILE
              replace with transducer read from TFILE

       -F, --from-file=LABELFILE
              read replacements from LABELFILE

       -R, --in-order
              keep the order of the replacements (with -F)

   Transient optimisation schemes:
       -9, --compose
              compose substitutions when possible

       If OUTFILE or INFILE is missing or -, standard streams will be used.
       Format of result depends on format of INFILE LABEL must be a symbol
       name in single arc in transducer, or colon separated pair defining an
       arc.  If TFILE is specified, FLABEL must be a pair.  LABELFILE is a 2
       column tsv file where col 1 is FLABEL and col 2 gives TLABEL
       specifications.


EXAMPLES

              hfst-substitute -i tr.hfst -o tr_relabeled.hfst -f 'a' -t 'A'

              relabel all symbols 'a' with 'A'

              hfst-substitute -i tr.hfst -o tr_relabeled.hfst -f 'a:b' -t
              'A:B'

              relabel all arcs 'a:b' with 'A:B'

              hfst-substitute -i tr.hfst -o tr_relabeled.hfst -f 'a:b' -T
              repl.hfst

              replace all arcs 'a:b' with transducer repl.hfst


REPORTING BUGS

       Report bugs to <hfst-bugs@helsinki.fi> or directly to our bug tracker
       at:
       <https://sourceforge.net/tracker/?atid=1061990&group_id=224521&func=browse>

       hfst-substitute home page:
       <https://kitwiki.csc.fi/twiki/bin/view/KitWiki//HfstSubstitute>
       General help using HFST software:
       <https://kitwiki.csc.fi/twiki/bin/view/KitWiki//HfstHome>


COPYRIGHT

       Copyright (C) 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-SUBSTITUTE(1)

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