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splace/gist:d7188b9199cf71fad6a3505dd731f40b

Last active October 5, 2017 20:05
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shell; get item from a commands output and use as a parameter in another command.
Raw
gistfile1.txt
example: test a group of files to see if together their hash is below a specified number;
cat * | sha512sum | tr " " "\n" | head -n 1 | [[ "`xargs echo $1`" < "00000001" ]]
(sha512sum always adds a file name on the same line, making this kind of stuff necessery)
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