Clean Up Functions After Completion #52
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* Prefixed all functions with '_bd_' (Override protection) * Now unsets functions at end of execution to prevent leaving them defined in current shell
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One of the intended methods of usage for
bdis to source it, executing it in the current shell.Doing so leaves the functions
usage_error(),help_msg(), andnewpwd()defined, however, which may be undesirable.This PR prefixes all function names with
_bd_(example:usage_error()becomes_bd_usage_error()) so that they are less likely to override anything important.It also calls
unset -fto remove the function definitions at the end of execution so that the functions do not remain defined ifbdis sourced.