can i do this or will something bad happen? Thanks
I don't think it will cut - it will melt .
The glass will shatter long before it reaches melting temperature. Be careful! Unless it's really thick (more than 1/4") you can simply score it with a simple cheap glass-cutting tool, then break it on the scoring line.
You can bend bamboo with a torch, but glass is not going to be pretty. Glass pops like concrete when you heat part of it.
I am a welder.
I would think for the cost of gas, you could buy the tools for this job.
It would help if you told us more & sent a few photos too.
Check out "U-TUBE", before doing any new things, someone, some where, has done it & it may be on line.
How hot does a torch get? You'll need a lot of heat. Maybe a wet saw might be smarter? Paula