Re: [PATCH] Use wc instead of awk to count subtrees in t0090-cache-tree

[Jonathan Nieder <jrnieder@gmail.com>]

Junio C Hamano wrote:
> Ben Walton <bdwalton@gmail.com> writes:

>> echo "dir" | /usr/xpg4/bin/awk -v c=0 '$1 {++c} END {print c}'
>> 0
>>
>> And with GNU awk for comparison:
>> echo "dir" | /opt/csw/gnu/awk -v c=0 '$1 {++c} END {print c}'
>> 1
>>
>> Instead of modifying the awk code to work, use wc -w instead as that
>> is both adequate and simpler.
>
> Hmm, why "wc -w" not "wc -l", though?  Is somebody squashing a
> one-elem-per-line output from ls-files onto a single line?

The old code was trying to skip empty lines.