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awk example: print range
Two
regular expressions, sparated by a comma, can be used to specify the first and last line of the input stream that need to be printed.
Note, the following example also prints the empty line that signals the end of the paragraph:
$ echo 'foo
bar
baz
FIRST LINE OF PARAGRAPH
one
two
three
hello
world' | awk '/^FIRST LINE/,/^$/'
FIRST LINE OF PARAGRAPH
one
two
three