Palindrome detection: Difference between revisions

=={{header|sed}}==

<syntaxhighlight lang="sed">h

:l

s/^\(.\)\(.*\)\1$/\2/

tl

/../d

x</syntaxhighlight><pre>

$ printf '%s\n' a zz az bag gag none madamimadam otto | sed -f palindrome.sed

a

zz

gag

madamimadam

otto

</pre>