Here's my try, which avoids the perl hammer. ;)
...
- tac | \
+ sed -ne '1!G;$p;h' | \
Thanks for trying, but frankly, I'd prefer the Perl hammer, as any
advanced sed scripting tend to be far less portable.
In fact this script is not portable. :-( Not so much because of its
"advanced-ness", but because it loads the entire file in memory, and
thus hits the limit on the buffer length of many seds.
Paolo
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