d to the same
commit will both be shown, but the details for that commit will be shown
only once. This is more efficient, but may require more state be kept by
the reader. The <code>--line-porcelain</code> option can be used to output full
commit information for each line, allowing simpler (but less efficient)
usage like:</p>
</div>
<div class="literalblock">
<div class="content">
<pre># count the number of lines attributed to each author
git blame --line-porcelain file |
sed -n 's/^author //p' |
sort | uni