You can use
tac to reverse the input line wise. If you pass multiple input files, each file content will be reversed separately.
$ printf 'apple\nbanana\ncherry\nfig and honey\n' | tac fig and honey cherry banana apple
You can use the
-s option to specify a different string to be used as the line separator (newline is the default separator). When the custom separator occurs before the content of interest, use the
-b option to print those separators before the content in the output as well.
$ cat blocks.txt %=%= apple banana %=%= 1 2 3 %=%= red green $ tac -b -s '%=%=' blocks.txt %=%= red green %=%= 1 2 3 %=%= apple banana
See CLI tip 8: extract from start of file until matching line for a practical example where reversing input content helps in constructing a solution.