Identity Cutoff In Blast Output

I was wondering if there is any easy way to do an identity cutoff (e.g. Sequences down to 95% Id) from the blast output locally .I had a look at blastall usage options but haven't seen any flag (or parameter) to do it. There is e-value cutoff option but not %id or score. I have a perl script to do this cut off in the blast output but the script is huge almost 50-60 lines so trying to avoid that and want to use an easy script if any of you got any.