unable to generate log file

```
--Hi,

i use this command line syntax and no log file is generated:

./perm my.index reads.fasta -v 0 -A -o out.sam -u unmappedReads.fa --seed F0 
--statsOnly --log logfile.txt

maybe other parameter is needed ?

thank you 

```

Original issue reported on code.google.com by `lmanc...@univ-montp2.fr` on 13 Feb 2013 at 11:20
