Example: Determine Commit Times

find . -type f |
grep -v CVS |
xargs cvs -d /home/ncvs log -SN 2>/dev/null |
awk '/^date/{
    hour = substr($3, 0, 2)
    lines[$5 " " hour] += $9
  }
END {
    for (i in lines) print i, lines[i]
  }' |
sed 's/;//g' |
sort >dev-times-lines.dat
join dev-times-lines.dat devlong >dev-times-lines-long.dat