cat wer.txt >> prev/wer.txt
cat srr.txt >> prev/srr.txt
cat wikiniews_results.tsv >> prev/wikiniews_results.tsv
tail -n 50 prev/wer.txt > wer.txt
tail -n 50 prev/srr.txt > srr.txt
tail -n 50 prev/wikiniews_results.tsv > wikiniews_results.tsv