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Get the octal, hexadecimal and decimal codes of the ASCII character set

man ascii

March 29, 2012bashoneliners

Explanation

Knowing the octal, hexadecimal or decimal code of the ASCII character set can be handy at times. In the past, too often I did things like:

perl -e 'for my $n (1 .. 255) { print $n, chr($n), $n, "\n"; }'

... when a simple man ascii would have done the trick...

On a related note, these all print the letter "A":

echo -e '\0101'
printf '\101'
printf '\x41'
perl -e 'print "\x41"'