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A few tips. Local variables are declare local and initializated to null if strings or 0 if number if you develop in bash use bash. (+=, for arg;do done;...) Use always builtin [[ notnumber ]] or (( number )) never [,test,( or any other function() { local runCommand= local -i index=0 #you don't need the extra parameters here for strings; do ...

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