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코드코코
[리눅스] curl로 파일 다운로드 받기 본문
curl
- curl 은 커맨드 라인에서 URL 형태의 리소스를 요청/응답할 수 있는 도구
- 전체 매뉴얼 : man curl 호출
- 표준 출력 : $ curl <url>
root@DESKTOP-RJ31OF5:/home/ubuntu# curl http://example.com/resource
<!doctype html>
<html>
<head>
<title>Example Domain</title>
<meta charset="utf-8" />
<meta http-equiv="Content-type" content="text/html; charset=utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<style type="text/css">
body {
background-color: #f0f0f2;
margin: 0;
padding: 0;
font-family: -apple-system, system-ui, BlinkMacSystemFont, "Segoe UI", "Open Sans", "Helvetica Neue", Helvetica, Arial, sans-serif;
}
div {
width: 600px;
margin: 5em auto;
padding: 2em;
background-color: #fdfdff;
border-radius: 0.5em;
box-shadow: 2px 3px 7px 2px rgba(0,0,0,0.02);
}
a:link, a:visited {
color: #38488f;
text-decoration: none;
}
@media (max-width: 700px) {
div {
margin: 0 auto;
width: auto;
}
}
</style>
</head>
<body>
<div>
<h1>Example Domain</h1>
<p>This domain is for use in illustrative examples in documents. You may use this
domain in literature without prior coordination or asking for permission.</p>
<p><a href="https://www.iana.org/domains/example">More information...</a></p>
</div>
</body>
</html>
1. 응답을 파일에 쓰기
$ curl http://example.com/resource > foo.txt
root@DESKTOP-RJ31OF5:/home/ubuntu# curl http://example.com/resource > foo.txt
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 1256 100 1256 0 0 4301 0 --:--:-- --:--:-- --:--:-- 4301
root@DESKTOP-RJ31OF5:/home/ubuntu# ls -la | grep foo
-rw-r--r-- 1 root root 1256 Dec 15 13:23 foo.txt
참고
리눅스 커맨드에서 꺽쇠(>)는 좌측 명령의 결과를 우측 파일명에 저장하게 한다.
이 때 꺽쇠 하나(>)는 파일을 새로 생성하고 꺽쇠 둘(>>)은 파일에 덧붙인다.
2. 파일명으로 저장하기
-o 옵션으로 리소스의 파일명을 지정해 다운로드할 수 있다.
$ curl -o foo.txt http://example.com/foo.txt
root@DESKTOP-RJ31OF5:/home/ubuntu# curl -o foo2.txt http://example.com/foo2.txt
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 1256 100 1256 0 0 3925 0 --:--:-- --:--:-- --:--:-- 3925
root@DESKTOP-RJ31OF5:/home/ubuntu# ls -la | grep foo2
-rw-r--r-- 1 root root 1256 Dec 15 13:31 foo2.txt
-O 옵션을 사용하는 경우, 리소스의 파일명을 그대로 사용한다.
$ curl -O http://example.com/foo.txt
root@DESKTOP-RJ31OF5:/home/ubuntu# curl -O http://example.com/foo3.txt
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 1256 100 1256 0 0 4025 0 --:--:-- --:--:-- --:--:-- 4012
root@DESKTOP-RJ31OF5:/home/ubuntu# ls -la | grep foo3
-rw-r--r-- 1 root root 1256 Dec 15 13:34 foo3.txt3. 여러 파일 다운로드 받기
- bar0.txt 부터 bar9.txt 파일을 다운로드 받는다.
$ curl -O http://example.com/bar[0-9].txt
root@DESKTOP-RJ31OF5:/home/ubuntu# curl -O http://example.com/bar[0-9].txt
[1/10]: http://example.com/bar0.txt --> bar0.txt
--_curl_--http://example.com/bar0.txt
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 1256 100 1256 0 0 4172 0 --:--:-- --:--:-- --:--:-- 4172
[2/10]: http://example.com/bar1.txt --> bar1.txt
--_curl_--http://example.com/bar1.txt
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 1256 100 1256 0 0 7801 0 --:--:-- --:--:-- --:--:-- 7801
[3/10]: http://example.com/bar2.txt --> bar2.txt
--_curl_--http://example.com/bar2.txt
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 1256 100 1256 0 0 7753 0 --:--:-- --:--:-- --:--:-- 7753
[4/10]: http://example.com/bar3.txt --> bar3.txt
--_curl_--http://example.com/bar3.txt
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 1256 100 1256 0 0 7520 0 --:--:-- --:--:-- --:--:-- 7476
[5/10]: http://example.com/bar4.txt --> bar4.txt
--_curl_--http://example.com/bar4.txt
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 1256 100 1256 0 0 7705 0 --:--:-- --:--:-- --:--:-- 7705
[6/10]: http://example.com/bar5.txt --> bar5.txt
--_curl_--http://example.com/bar5.txt
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 1256 100 1256 0 0 7658 0 --:--:-- --:--:-- --:--:-- 7658
[7/10]: http://example.com/bar6.txt --> bar6.txt
--_curl_--http://example.com/bar6.txt
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 1256 100 1256 0 0 7753 0 --:--:-- --:--:-- --:--:-- 7753
[8/10]: http://example.com/bar7.txt --> bar7.txt
--_curl_--http://example.com/bar7.txt
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 1256 100 1256 0 0 7850 0 --:--:-- --:--:-- --:--:-- 7850
[9/10]: http://example.com/bar8.txt --> bar8.txt
--_curl_--http://example.com/bar8.txt
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 1256 100 1256 0 0 7801 0 --:--:-- --:--:-- --:--:-- 7801
[10/10]: http://example.com/bar9.txt --> bar9.txt
--_curl_--http://example.com/bar9.txt
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 1256 100 1256 0 0 7850 0 --:--:-- --:--:-- --:--:-- 7850
root@DESKTOP-RJ31OF5:/home/ubuntu# ls -la | grep bar
-rw-r--r-- 1 root root 1256 Dec 15 13:36 bar0.txt
-rw-r--r-- 1 root root 1256 Dec 15 13:36 bar1.txt
-rw-r--r-- 1 root root 1256 Dec 15 13:36 bar2.txt
-rw-r--r-- 1 root root 1256 Dec 15 13:36 bar3.txt
-rw-r--r-- 1 root root 1256 Dec 15 13:36 bar4.txt
-rw-r--r-- 1 root root 1256 Dec 15 13:36 bar5.txt
-rw-r--r-- 1 root root 1256 Dec 15 13:36 bar6.txt
-rw-r--r-- 1 root root 1256 Dec 15 13:36 bar7.txt
-rw-r--r-- 1 root root 1256 Dec 15 13:36 bar8.txt
-rw-r--r-- 1 root root 1256 Dec 15 13:36 bar9.txt- []는 여러 번 조합할 수 있고, 위 코드는 foo-a0.txt 부터 foo-z9.txt 까지의 파일을 다운로드 받는다.
$ curl -O http://example.com/foo-[a-c][0-2].txt
root@DESKTOP-RJ31OF5:/home/ubuntu# curl -O http://example.com/foo-[a-c][0-2].txt
[1/9]: http://example.com/foo-a0.txt --> foo-a0.txt
--_curl_--http://example.com/foo-a0.txt
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 1256 100 1256 0 0 3949 0 --:--:-- --:--:-- --:--:-- 3949
[2/9]: http://example.com/foo-a1.txt --> foo-a1.txt
--_curl_--http://example.com/foo-a1.txt
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 1256 100 1256 0 0 6977 0 --:--:-- --:--:-- --:--:-- 6977
[3/9]: http://example.com/foo-a2.txt --> foo-a2.txt
--_curl_--http://example.com/foo-a2.txt
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 1256 100 1256 0 0 7566 0 --:--:-- --:--:-- --:--:-- 7566
[4/9]: http://example.com/foo-b0.txt --> foo-b0.txt
--_curl_--http://example.com/foo-b0.txt
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 1256 100 1256 0 0 7177 0 --:--:-- --:--:-- --:--:-- 7177
[5/9]: http://example.com/foo-b1.txt --> foo-b1.txt
--_curl_--http://example.com/foo-b1.txt
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 1256 100 1256 0 0 7520 0 --:--:-- --:--:-- --:--:-- 7520
[6/9]: http://example.com/foo-b2.txt --> foo-b2.txt
--_curl_--http://example.com/foo-b2.txt
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 1256 100 1256 0 0 5869 0 --:--:-- --:--:-- --:--:-- 5841
[7/9]: http://example.com/foo-c0.txt --> foo-c0.txt
--_curl_--http://example.com/foo-c0.txt
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 1256 100 1256 0 0 7566 0 --:--:-- --:--:-- --:--:-- 7566
[8/9]: http://example.com/foo-c1.txt --> foo-c1.txt
--_curl_--http://example.com/foo-c1.txt
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 1256 100 1256 0 0 6789 0 --:--:-- --:--:-- --:--:-- 6789
[9/9]: http://example.com/foo-c2.txt --> foo-c2.txt
--_curl_--http://example.com/foo-c2.txt
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 1256 100 1256 0 0 5869 0 --:--:-- --:--:-- --:--:-- 5869
root@DESKTOP-RJ31OF5:/home/ubuntu# ls -la | grep foo
-rw-r--r-- 1 root root 1256 Dec 15 13:40 foo-a0.txt
-rw-r--r-- 1 root root 1256 Dec 15 13:40 foo-a1.txt
-rw-r--r-- 1 root root 1256 Dec 15 13:40 foo-a2.txt
-rw-r--r-- 1 root root 1256 Dec 15 13:40 foo-b0.txt
-rw-r--r-- 1 root root 1256 Dec 15 13:40 foo-b1.txt
-rw-r--r-- 1 root root 1256 Dec 15 13:40 foo-b2.txt
-rw-r--r-- 1 root root 1256 Dec 15 13:40 foo-c0.txt
-rw-r--r-- 1 root root 1256 Dec 15 13:40 foo-c1.txt
-rw-r--r-- 1 root root 1256 Dec 15 13:40 foo-c2.txt4. for 문으로 여러 파일 다운로드 받기
root@DESKTOP-RJ31OF5:/home/ubuntu/test_dir# files="foo bar baz"
root@DESKTOP-RJ31OF5:/home/ubuntu/test_dir# for name in $files; do curl -O "http://example.com/${name}
.txt"; done
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 445 100 445 0 0 1493 0 --:--:-- --:--:-- --:--:-- 1493
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 1256 100 1256 0 0 3817 0 --:--:-- --:--:-- --:--:-- 3806
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 1256 100 1256 0 0 3783 0 --:--:-- --:--:-- --:--:-- 3783
root@DESKTOP-RJ31OF5:/home/ubuntu/test_dir# ls -la
total 8
drwxr-xr-x 1 root root 4096 Dec 15 14:30 .
drwxr-xr-x 1 ubuntu ubuntu 4096 Dec 15 14:05 ..
-rw-r--r-- 1 root root 1256 Dec 15 14:30 bar.txt
-rw-r--r-- 1 root root 1256 Dec 15 14:30 baz.txt
-rw-r--r-- 1 root root 445 Dec 15 14:30 foo.txt
-rw-r--r-- 1 root root 0 Dec 15 13:56 test1.txt
-rw-r--r-- 1 root root 0 Dec 15 13:57 test2.txt
-rw-r--r-- 1 root root 0 Dec 15 13:57 test3.txt
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