> > だから実際のスクリプトを出せばかちんが(;´Д`)
> 11.70 Use of '\t' in sed scripts
> For clarity in documentation, we have used
> the expression '\t' to indicate a tab character (0x09) in the scripts.
> However, most versions of sed do not recognize the '\t' abbreviation,
> so when typing these scripts from the command line, you should press
> the TAB key instead. '\t' is supported as a regular expression
> metacharacter in awk, perl, and in some implementations of sed.
> だそうな(;´Д`)素直にawkかperl使え

sed 's/ /\x09/g'あたりでどうか

参考：2004/11/01(月)20時07分15秒