pdf    [PATH TO]\pdftotext.exe %in% %out%
doc    [PATH TO]\catdoc.exe -a -s koi8-u -d koi8-u %in% > %out%
xls    [PATH TO]\xls2csv.exe -s koi8-u -d koi8-u %in% > %out%
ppt    [PATH TO]\catppt.exe -s koi8-u -d koi8-u %in% > %out%
docx    [PATH TO]\catdoc.exe -a -s koi8-u -d koi8-u %in% > %out%
xlsx    [PATH TO]\xls2csv.exe -s koi8-u -d koi8-u %in% > %out%
pptx    [PATH TO]\catppt.exe -s koi8-u -d koi8-u %in% > %out%
xlt    [PATH TO]\xls2csv.exe -s koi8-u -d koi8-u %in% > %out%
dot    [PATH TO]\catdoc.exe -a -s koi8-u -d koi8-u %in% > %out%