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travisdowns/headtail.sh

Created July 6, 2020 21:58
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  1. travisdowns created this gist Jul 6, 2020.
    4 changes: 4 additions & 0 deletions headtail.sh
    View file
    Original file line number Diff line number Diff line change
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    dd if=/dev/urandom of=64mib.bin bs=1024K count=64
    echo $((64*1024*1024))
    time tail -c +$((16*1024*1024+1)) 64mib.bin | head -c $((32*1024*1024+1)) > out.bin
    ls -lh out.bin