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memq() { # memq ITEM ARRAY
## Test whether an ITEM is a member of ARRAY.
## Pass ARRAY as ${ARRAY[@]}.
local e needle="$1"; shift
for e; do
[[ "$e" == "$needle" ]] && {
return 0
}
done
return 1
}
rebashrc() { # rebashrc
## Reload ~/.bashrc
printf "Loading ~/.bashrc..." >&2
if source "$HOME/.bashrc"; then
echo "OK." >&2
else
echo "ERROR!" >&2
fi
}
first_which() { # first_which COMMAND...
## Return the fully-qualified path of the first COMMAND found in $PATH.
while :; do
command -v "$1" && break
[ -z "$1" ] && return 1
shift
done
}
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