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#!/bin/sh
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# Translates a Redmine HTML page to a thesaurus
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# Usage: self <page
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sedEreFlag="$(test "$(uname)" = Darwin && echo E || echo r)"
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sed () { "$(which sed)" -"$sedEreFlag" "$@";}
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ambigTerm=
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term=
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sed -n 's/^<h[1-4][^>]*>(<del>)?(<img [^>]*title="([^"]*):"[^>]*>|([[:alpha:] ]+):)? *<a href="#[^"]+" class="wiki-page">([^<]+).*$/"\3\4" "\5"/p'\
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|while read -r line; do
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    eval set -- $line # split to $@
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    type="$1" name="$2"
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    # Handle synonyms
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    if test "$type" = Synonym; then echo "$name,$term"
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    else
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        term="$name"
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        # Handle ambiguous terms
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        if test -n "$type"; then # alternative of ambiguous term
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            echo "$ambigTerm,$term"
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        else # potentially ambiguous term
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            ambigTerm="$term"
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        fi
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    fi
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done