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__timer_current_time() {
perl -MTime::HiRes=time -e'print time'
}
__timer_format_duration() {
local mins=$(printf '%.0f' $(($1 / 60)))
local secs=$(printf "%.${TIMER_PRECISION:-1}f" $(($1 - 60 * mins)))
local duration_str=$(echo "${mins}m${secs}s")
local format="${TIMER_FORMAT:-/%d}"
echo "${format//\%d/${duration_str#0m}}"
}
__timer_save_time_preexec() {
__timer_cmd_start_time=$(__timer_current_time)
}
__timer_display_timer_precmd() {
if [ -n "${__timer_cmd_start_time}" ]; then
local cmd_end_time=$(__timer_current_time)
local tdiff=$((cmd_end_time - __timer_cmd_start_time))
unset __timer_cmd_start_time
local tdiffstr=$(__timer_format_duration ${tdiff})
local cols=$((COLUMNS - ${#tdiffstr} - 1))
echo -e "\033[1A\033[${cols}C ${tdiffstr}"
fi
}
autoload -U add-zsh-hook
add-zsh-hook preexec __timer_save_time_preexec
add-zsh-hook precmd __timer_display_timer_precmd
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