웹 사이트의 특정 행에서 컬을 수행하는 방법은 무엇입니까?

컬링하려고 하는데 https://en.wikipedia.org/wiki/World_Happiness_Report?action=raw내 파일에는 ===2018 보고서=== 부분만 필요합니다

이게 내가 쓴 거야

curl curl https://en.wikipedia.org/wiki/World_Happiness_Report?action=raw >> a1t4.txt

하지만 사이트의 모든 콘텐츠를 가져오며 내가 원하는 것은 이 부분뿐입니다.

===2018 report===
The 2018 report features the happiness score averaged over the years 2015–2017. As per the 2018 Happiness Index, [[Finland]] is the 'happiest' country in the world. [[Norway]], [[Denmark]], [[Iceland]] and [[Switzerland]] hold the next top positions. The report was published on 14 March 2018 by UN. The full report can be read at [http://worldhappiness.report/ed/2018/ 2018 Report]. The World Happiness Report is a landmark survey of the state of global happiness. The World Happiness Report 2018, which ranks 156 countries by their happiness levels, and 117 countries by the happiness of their immigrants, was released on March 14 at a launch event at the Pontifical Academy of Sciences in the Vatican.
{{collapse top|title=Table}}
{| class="wikitable sortable"
|- valign=top
! style="width: 10px;" | Overall rank
! style="width: 250px;" | Country or region
! {{abbr|Score|Happiness score}}
! style="width: 10px;" | {{abbr|GDP per capita|Explained by: GDP }}
! style="width: 10px;" | {{abbr|Social support|Explained by: Social support}}
! style="width: 10px;" | {{abbr|Freedom to make life choices|Explained by: Freedom to make life choices}}
! style="width: 10px;" | {{abbr|Generosity|Explained by: Generosity}}
! style="width: 10px;" | {{abbr|Perceptions of corruption|Explained by: Perceptions of corruption}}
|-
| 1||{{flag|Finland}}||7.632||1.305||1.592||0.874||0.681||0.202||0.393
|-
| 2||{{flag|Norway}}||7.594||1.456||1.582||0.861||0.686||0.286||0.340
|-
| 3||{{flag|Denmark}}||7.555||1.351||1.590||0.868||0.683||0.284||0.408
|-
| 4||{{flag|Iceland}}||7.495||1.343||1.644||0.914||0.677||0.353||0.138
|-
| 5||{{flag|Switzerland}}||7.487||1.420||1.549||0.927||0.660||0.256||0.357
|-
| 6||{{flag|Netherlands}}||7.441||1.361||1.488||0.878||0.638||0.333||0.295
|-
| 7||{{flag|Canada}}||7.328||1.330||1.532||0.896||0.653||0.321||0.291
|-
| 8||{{flag|New Zealand}}||7.324||1.268||1.601||0.876||0.669||0.365||0.389
|-
| 9||{{flag|Sweden}}||7.314||1.355||1.501||0.913||0.659||0.285||0.383
|-
| 10||{{flag|Australia}}||7.272||1.340||1.573||0.910||0.647||0.361||0.302