update readme

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Stephen McQuay 2016-11-16 01:23:39 -08:00
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# cs
calculate checksums
concurrently calculate/verify checksums (cs)
It's a simpler version of shasum + md5sum, but only for md5, sha1, sha256, and
sha512.
It's a simpler version of shasum + md5sum, but concurrently and only with
support for md5, sha1, sha256, and sha512.
## usage
# create checksums
cs -a 256 < foo.txt
cs foo.txt
cs -a sha1 foo.txt foo.txt foo.txt
cs -a sha1 foo.txt foo.txt foo.txt > checksums.sha1
# verify
cat checksums.sha1 | cs -c
cs -c checksums.sha1
# both
cs $(find ~/src/mcquay.me | grep '\.go$') | cs -c