Is it possible to print a search pattern result just until it hits a blank newline in terminal?

Question

Say for example I have a file with contents like this:

# TODO: Optimize this.
alias bash='start bash'

# FIXME: Just fix this.
alias fix='there is something wrong with this

What I want is if I search for pattern TODO: it should only print result like this:

# TODO: Optimize this.
alias bash='start bash'

Is this possible?

Can there be multiple TODO sections, and what should the output be in that case? — Stephen Harris, Nov 05 '18 at 18:15
yes, there can be multiple match of the same pattern, in that case i want to only print the first hit if it possible with ambiguous search. — cevhyruz, Nov 06 '18 at 02:52

score 3 · Answer 1 · answered Nov 05 '18 at 18:05

3

Awk in paragraph mode:

awk -vRS= '/TODO:/' file

answered Nov 05 '18 at 18:05

steeldriver

score 0 · Answer 2 · answered Nov 05 '18 at 17:35

0

but you'd need sed as suggested in the post:

sed -n '/pattern/,/^$/p' file

answered Nov 05 '18 at 17:35

sla3k

score -1 · Answer 3 · answered Nov 05 '18 at 18:16

-1

grep solution.

grep -zoP '(?s)^# TODO.*^$' file

answered Nov 05 '18 at 18:16

steve

3 Answers3