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# Print the history number of the last command
# "fc" is specified by POSIX, but does not seem to be in dash, so its being
# included here rather than in e.g. ~/.bashrc.d is a bit tenuous.
lhn () {
if ! command -v fc >/dev/null 2>&1 ; then
printf 'lhn(): fc: command not found\n'
return 1
fi
set -- "$(fc -l -1)"
[ -n "$1" ] || return
printf '%u\n' "$1"
}
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