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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
Notes: sideshowbarker 2024-07-18 01:39:12 +09:00 
Author: https://github.com/BenWiederhake
Commit: https://github.com/SerenityOS/serenity/commit/a5dda0b0c5a
Pull-request: https://github.com/SerenityOS/serenity/pull/10735
Reviewed-by: https://github.com/ADKaster
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(" |");
for (size_t i = 0; i < 16; ++i) {
if (i < line.size() && isprint(line[i]))
for (size_t i = 0; i < line.size(); ++i) {
if (isprint(line[i]))
putchar(line[i]);
else
putchar(' ');
putchar('.');
}
putchar('|');
putchar('\n');
};