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I've learned that we can send multiple HTTP requests with CURL by doing this:

curl -I

or this:

xargs curl -I < url-list.txt

How can we save the all responses we get - every one of them to a different file?

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up vote 2 down vote accepted

You can use the -o command line option to write the output to a file instead of stdout. You can use multiple -os e.g.

curl -I -o lne.txt

If you format you urls-list.txt like so -o -o

it should work as you want.

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$ cat urls-list.txt

$ while read u; do \
    curl -I $u -o $(echo $u | sed 's/http:\/\///' | tr '/' '_').header; \
done < urls-list.txt

$ cat 
HTTP/1.1 200 OK
Date: Thu, 24 Nov 2011 03:15:19 GMT
Server: LiteSpeed
Connection: close
X-Powered-By: PHP/5.2.10
Content-Type: text/html
X-Powered-By: PleskLin
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