I'm thinking it's not. I guess I'm just the most recent person to support someone who thought it was a good idea to name their announcements $message.wav
Why would they let you do that?
fun fact: cat listoffileswithDollarsignsinthem.txt | sed "s/\\$/\\\\$\\\/g" > thoseFilesWithBackslashesAroundTheDollarSignGone.txt adds backslashes before and after the $ rid of them if you find yourself needing to grab them all from BASH by FTP to strip the dollar sign off and put them back.
Why would they let you do that?
fun fact: cat listoffileswithDollarsignsinthem.txt | sed "s/\\$/\\\\$\\\/g" > thoseFilesWithBackslashesAroundTheDollarSignGone.txt adds backslashes before and after the $ rid of them if you find yourself needing to grab them all from BASH by FTP to strip the dollar sign off and put them back.