#! /bin/ksh

typeset afFile[1]="file.foo"            # my list of fixed files
typeset afFile[2]="file.bla"
typeset afFile[3]="file.other"

typeset -i iCnt=0                        # a counter to process the array

(( iCnt = 1 ))
while [ $iCnt -le ${#afFile[@]} ] ; do
     pWorkFile "${afFile[$iCnt]}"
     (( iCnt += 1 ))
done

exit 0

#! /bin/ksh

pWorkFile ()
{
typeset fFile="$1"                       # $1 holds the parameter with which it was called
typeset fPathA="/some/where"
typeset fPathB="/else/where"

if   [ -e "${fPathA}/$fFile" ] ; then
     cp "${fPathA}/$fFile" "${fPathB}/$fFile"
elif [ -e "${fPathB}/$fFile" ] ; then
     cp "${fPathB}/$fFile" "${fPathA}/$fFile"
else
     print - "Neither ${fPathA}/$fFile nor ${fPathB}/$fFile exists."
fi

return 0
}


# -------------------------------------- start of main program
typeset afFile[1]="file.foo"            # my list of fixed files
typeset afFile[2]="file.bla"
typeset afFile[3]="file.other"

typeset -i iCnt=0                        # a counter to process the array

(( iCnt = 1 ))
while [ $iCnt -le ${#afFile[@]} ] ; do
     pWorkFile "${afFile[$iCnt]}"
     (( iCnt += 1 ))
done

exit 0