sjisconv < infile > outfile
SJIS encoding for Japanese uses the characters
\ which have special meanings in TeX documents.
After processing a LaTeX2e document which contains SJIS characters with sjisconv you need not care about these special characters.
This filter is part of the CJK macro package for LaTeX2e.
bg5conv(1), cefconv(1), cef5conv(1), cefsconv(1), extconv(1),
the CJK documentation files.
bg5conv(1), cef5conv(1), cefconv(1), cefsconv(1), extconv(1).