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a/src/internfile/mh_exec.cpp b/src/internfile/mh_exec.cpp
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    string& output = m_metaData[cstr_dj_keycontent];
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    string& output = m_metaData[cstr_dj_keycontent];
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    output.erase();
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    output.erase();
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    ExecCmd mexec;
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    ExecCmd mexec;
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    MEAdv adv(filtermaxseconds);
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    MEAdv adv(filtermaxseconds);
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    mexec.setAdvise(&adv);
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    mexec.setAdvise(&adv);
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    mexec.putenv("RECOLL_CONFDIR", m_config->getConfDir());
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    mexec.putenv(m_forPreview ? "RECOLL_FILTER_FORPREVIEW=yes" :
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    mexec.putenv(m_forPreview ? "RECOLL_FILTER_FORPREVIEW=yes" :
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        "RECOLL_FILTER_FORPREVIEW=no");
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        "RECOLL_FILTER_FORPREVIEW=no");
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    int status;
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    int status;
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    try {
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    try {