Enable tracing a function in ksh
Tracing can be enabled for a KornShell script by using "set -x", but this will have no effect on functions within the script. The following line will enable tracing for all functions in a script:
typeset -ft $(typeset +f)
Note that this will not work for BASH.
[Idea is from Dan Mercer <email@example.com>, news group comp.unix.shell]