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hash -r
echo ${BASH_CMDS[@]}
hash -p /usr/sbin/foo foo
hash -p /usr/local/bin/qux qux
echo ${!BASH_CMDS[@]}
echo ${BASH_CMDS[@]}
BASH_CMDS[blat]=/sbin/blat
BASH_CMDS[sh]=/bin/sh
hash
echo ${!BASH_CMDS[@]}
echo "${BASH_CMDS[@]}"
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