using putty or plink to access bash and pass multiple commands

Hello All,

I hope you can help.

I am running 11.4.1 on a 6900.

I have a putty script that passes the -m (inputcommandsfile) and currently returns the output for the following commands list ltm virtual show ltm virtual list ltm pool

While this works I would like to change the command script to be bash tmsh list ltm virtual tmsh show ltm virtual | grep -B4 Avail tmsh list ltm pool exit quit

This would allow me to use the -B4 grep option from the bash utility. However when I try to pass these same types of commands in putty it responds with/usr/bin/tmsh: /usr/bin/tmsh: cannot execute binary file

If I login and type those commands manually from putty it works just fine. Any way to pass the command to drop into bash and get this output?

Thanks