bug#12115: Please add tip about using tac to reverse a file byte-by-byte

[Andreas Schwab]

"Voelker, Bernhard" <address@hidden> writes:

> Jim Meyering wrote (Thursday, August 02, 2012 2:08 PM):
>
>> You need the double quotes around $nl with bash,

Or any other POSIX shell.

> For bash, one solution is:
>
>       $ printf '\na\nb'|tac -rs '.\|'$(printf "\n")

No, command substitution strips trailing newlines.

Andreas.

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Andreas Schwab, address@hidden
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