A simple UNIX/LINUX shell to split file (here is filename) based on specific indicator (here is “\n\n\n”) into pieces (here is “poem_”a):
awk ‘BEGIN{RS=”\n\n\n”}{a++}{print > “poem_”a”.html”}’ filename
be careful both shell file and the file to split need to convert EOL to linux format by notepad++
By the way: sometime Win10 takes high CPU%. A possible culprit is the “Inking and typing personalization” under settings–>privacy. Just switch it off.