I've been working on submitting my scripts to unit tests (a story in
itself, ask me if you're interested).
This puts some (good) restrictions and challenges on my scripts:
So should all code should be wrapped in functions. (Without functions,
no units, no unit tests)
But I need a way to determine if a script is being sourced or is
actually called by the interpreter.
So far the only way I've found requires that the script knows the name
it is going to be called by.
For the ksh88 shell under Solaris, I found that $LINENO does not
increment beyond 1 when a file is sourced.
Alas, this may be considered a bug, as ksh93 does not show this
behaviour.
Any ideas beyond:
----- snip -----
#!/bin/ksh
.
. function definitions ...
.
myname=script.sh
[[ ${0##*/} == $myname ]] && main "$@"
----- snip -----
Cheers,
Henk Langeveld
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