Humdrum lab 5
This lab is about the wikifonia data.
How many files
ls *.krn | wc -l 6710
How many have lyrics:
grep -l "\*\*text" *.krn | wc -l 5460
How many have chords:
grep -l "\*\*text" *.krn | wc -l 6282
How many have two or more verses:
grep -l "\*\*text.*\*\*text" *.krn | wc -l 2006
What is the duration of all songs if played back-to-back and at the specified tempo without repeats?
gettime -T *.krn | tail -n 1 286:50:23.1354 hours
What are the longest songs:
gettime --simple -T *.krn | sort -k2 -nr | head -n 10 WF6618.krn: 3120 WF0181.krn: 3120 WF0182.krn: 1864 WF3616.krn: 1420 WF6336.krn: 1134 WF5131.krn: 909 WF6068.krn: 785 WF5004.krn: 696 WF3226.krn: 671 WF1249.krn: 664
The -k2 option means to sort by the second column of data. -n means to sort numerically rather than alphabetically, and -r means to sort by highest first.
What are the shortest songs:
gettime --simple -T *.krn | sort -k2 -nr | tail -n 10 WF2814.krn: 16 WF2806.krn: 16 WF2795.krn: 16 WF2785.krn: 16 WF2856.krn: 14 WF2852.krn: 12 WF2799.krn: 12 WF6338.krn: 8 WF5609.krn: 8
The shortest song in VHV:
cat WF5609.krn | pbcopy