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FernandoBasso/sed-reverse-lines.txt

Created March 14, 2016 23:43
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Trying to understand how "reverse lines" in sed works
Raw
sed-reverse-lines.txt
file:
AA
BB
CC
DD
sed command:
sed -n '1! G; h; $ p'
step/cmd PS HS STDOUT
-------------------------------------------------------------------
IL1 AA AA ␀
h AA AA
IL2 BB BB AA
G BB\nAA AA
h BB\nAA BB\nAA
IL3 CC CC BB\nAA
G CC\nBB\nAA BB\nAA
h CC\nBB\nAA CC\nBB\nAA
IL4 DD DD CC\nBB\nAA
G DD\nCC\nBB\nAA CC\nBB\nAA
h DD\nCC\nBB\nAA DD\nCC\nBB\nAA
p DD\nCC\nBB\nAA DD\nCC\nBB\nAA DD\nCC\nBB\nAA
----
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