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HexViewer

Small program for hex viewer.

Usage

HexViewer
Usage: ./HexViewer [OPTIONS] filename

Positionals:
  filename TEXT REQUIRED      Filename

Options:
  -h,--help                   Print this help message and exit
  -t,--theme TEXT             Theme
  -s,--offset INT             Offset
  -l,--length INT             Length
  -n,--no-colors              No colors

Benchmark

Random file:

head -c 100MB < /dev/urandom > randomfile

Result:

VS hexdump:

time ./HexViewer randomfile -t hexdump > hexviewer.txt

real    0m16.504s
user    0m14.203s
sys     0m1.984s

time hexdump -C randomfile > hexviewer.txt

real    0m43.754s
user    0m40.484s
sys     0m2.188s

VS hexyl:

time ./HexViewer randomfile -t hexyl > hexviewer.txt

real    0m39.504s
user    0m27.547s
sys     0m10.516s

time hexyl randomfile > hexviewer.txt

real    1m53.103s
user    0m35.297s
sys     1m15.109s