How to escape strings in bash script -

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i running bash script calls mysql. password ist not correctly transmitted, guess have escape special chars, hash or dollar sign?

 #!/bin/bash  user=myuser pass="#mypass$"  # ... call mysql

using "..." correct thing do, $ needs escaped (\$) if isn't followed "invalid" character. need make sure have variable in quotation marks well, in:

somecommand -p "$pass"

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