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hexdump: Make non-ASCII output easier to read

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Enclose the ASCII-interpretation in pipes, show non-ASCII bytes as a
dot, and fix the length of the last line.

Note that this makes it more similar to the behavior of many other
implementations.
This commit is contained in:
Ben Wiederhake 2021-10-31 02:05:45 +02:00 • committed by Andreas Kling
parent 866c9cc1a5
commit a5dda0b0c5
1 changed files with 5 additions and 4 deletions
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9
Userland/Utilities/hexdump.cpp
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@ -45,15 +45,16 @@ int main(int argc, char** argv)
out(" "); out(" ");
} }
out(" "); out(" |");
for (size_t i = 0; i < 16; ++i) { for (size_t i = 0; i < line.size(); ++i) {
if (i < line.size() && isprint(line[i])) if (isprint(line[i]))
putchar(line[i]); putchar(line[i]);
else else
putchar(' '); putchar('.');
} }
putchar('|');
putchar('\n'); putchar('\n');
}; };