csv2xls
converts csv files into one (or more if splitted) xls file(s)
There exist solutions already. But maybe for some people it is not possible or acceptable to install perl or python just for this small program. On Linux python and/or perl is often installed already. But on windows not. This csv2xls can be cross compiled for windows on Linux with mingw.
It depends on:
xlslib: http://sourceforge.net/projects/xlslib/
libcsv: http://sourceforge.net/projects/libcsv/
-= Limitations =-
- produces only Excel(TM) 97/2000/XP/2003
- no cell formatting, just...