Bunset

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The bunset command is used to unset a binary file.

bunset <&binvar> [&binvar &binvar ... &binvar]

This unsets all specified binary files. Unlike unset, bunset doesn't work with wildcards.

Examples

bset &test 1 65
echo -a $bvar(&test,0)
bunset &test
echo -a $bvar(&test,0)

In this case the first echo will echo "1" as &test is filled with 1 byte, the second echo will echo "0" as &test is unset.