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<pre>
if $(_lastrc) EQ 0
    echo "The command ran correctly."
else
    echo "Check for error or warning messages."
end

echo ""
if <"$(_existdir)" EQ "yes">
    echo "The directory exists."
end

if <"$(_existdir)" EQ "no">
    echo "The directory does not exist."
end

if <"$(_existdir)" EQ "error">
    echo "A file or system error occurred."
end

if <"$(_existdir)" EQ "">
    echo "A command error occurred."
end
</pre>