ref: c72d7aa2b179b0f6b46dcadca28a89edbf31a639
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
}