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#!@zsh@/bin/zsh
delta_t=20
interval=3600
staggerFile=~/.rss-stagger
[[ "${FLOCKER}" != "$0" ]] && exec env FLOCKER="$0" flock -x "${staggerFile}" "$0" "$@" || :
feeds=$(@rss2email@/bin/r2e list | awk -F ':' 'END { print $1; }')
max=$(($feeds + 1))
num=$(((max * delta_t) / interval))
[[ $num -lt 1 ]] && num=1
now=$(cat ${staggerFile} || echo 0)
now=$((now % max))
typeset -a run
run=()
typeset -a names
names=()
n=0
for i in $(seq $((now + 1)) $((now + num + 1))); do
n=$((i % max))
run+=$n
done
echo $n >! ${staggerFile}
exec @rss2email@/bin/r2e run $run
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