I believe the various shells, like korn, provide the ability
to create functions in their scripts.

So I suppose you could create a script with only these common
functions. Then your other scripts could execute it, thereby
defining the common functions.

 From MPE posix

/KEVENM/CD/cat fun1
function one {
print "one "
}


/KEVENM/CD/cat fun2
###
. ./fun1
print "this is "
one
print "example"
###


/KEVENM/CD/. ./fun2
this is
one
example
/KEVENM/CD/

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