In my attempt to write all the utilities I use often I have written cat which is the same as the unix cat, but stripped down.
comparison
Fast cat version:
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Executed in 1.09 millis fish external
usr time 682.00 micros 0.00 micros 682.00 micros
sys time 448.00 micros 448.00 micros 0.00 micros
Unix cat version:
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Executed in 4.19 millis fish external
usr time 1.64 millis 803.00 micros 0.84 millis
sys time 2.51 millis 0.00 micros 2.51 millis
I will be documenting the code in the file with comments. You can download/clone the repo and build it from the hexproof.sh github org repo: