ref: 37d05fdf63f641e657387d97a6044b02c02dbbf4
dir: /mkar/
#!/bin/rc
rfork en
wdir=$home/lib/fitness
years=(2020 2021 2022)
months=(jan feb mar apr may jun jul aug sep oct nov dec)
mkdir -p $wdir/archive
for(y in $years)
for(m in $months)
if(! ~ `{ls *$m$y >[2]/dev/null | wc -l} 0){
tar cvzf $m$y.tgz *$m$y
mv $m$y.tgz $wdir/archive/
rm *$m$y
}