moparisthebest/curl
1
0
Fork 0
mirror of https://github.com/moparisthebest/curl synced 2024-12-22 08:08:50 -05:00
Code Issues Releases Wiki Activity

updated with more examples

Browse Source
This commit is contained in:
Daniel Stenberg 2000-06-06 14:09:01 +00:00
parent 138fe1b934
commit 8f03732b25
1 changed files with 24 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

28
docs/FAQ
View File

@ -40,6 +40,8 @@ FAQ
Yes. Both ways on FTP, download ways on HTTP. Yes. Both ways on FTP, download ways on HTTP.
Try the -c and -C options.
4. Is libcurl thread safe? 4. Is libcurl thread safe?
As version seven is slowly marching in as the libcurl version to use, we As version seven is slowly marching in as the libcurl version to use, we
@ -124,13 +126,23 @@ FAQ
part of a URL, you should qoute the entire URL by using single (') or part of a URL, you should qoute the entire URL by using single (') or
double (") quotes round it. double (") quotes round it.
An example that would invoke a remote CGI that uses &-letters could be:
# curl "http://www.altavista.com/cgi-bin/query?text=yes&q=curl"
10. How can I use {, }, [ or ] to specify multiple URLs? 10. How can I use {, }, [ or ] to specify multiple URLs?
Because those letters have a special meaning to the shell, and to be used Because those letters have a special meaning to the shell, and to be used
in a URL specified to curl you must quote them. in a URL specified to curl you must quote them.
An example that downloads two URLs (sequentially) would do:
# curl '{curl,www}.haxx.se'
11. Where can I find a copy of LIBEAY32.DLL? 11. Where can I find a copy of LIBEAY32.DLL?
That is an OpenSSL binary built for Windows.
Curl uses OpenSSL to do the SSL stuff. The LIBEAY32.DLL is what curl needs Curl uses OpenSSL to do the SSL stuff. The LIBEAY32.DLL is what curl needs
on a windows machine to do https://. Check out the curl web page to find on a windows machine to do https://. Check out the curl web page to find
accurate and up-to-date pointers to recent OpenSSL DDLs and other binary accurate and up-to-date pointers to recent OpenSSL DDLs and other binary
@ -143,6 +155,9 @@ FAQ
respond and that means that headers and a "page" will be returned. That's respond and that means that headers and a "page" will be returned. That's
simply how HTTP works. simply how HTTP works.
By using the --fail option you can tell curl explicitly to not get any data
if the HTTP return code doesn't say success.
13. Why do I get "HTTP/1.1 403 Forbidden" from a http server? 13. Why do I get "HTTP/1.1 403 Forbidden" from a http server?
RFC2616 clearly explains this return code: RFC2616 clearly explains this return code:
@ -173,12 +188,12 @@ FAQ
16. How do I keep usernames and passwords secret in Curl command lines? 16. How do I keep usernames and passwords secret in Curl command lines?
I see this problem in two parts: I see this problem as two parts:
The first part is to avoid having clear-text passwords in the command line The first part is to avoid having clear-text passwords in the command line
so that they appear in 'ps' outputs and similar. That is easily avoided by so that they don't appear in 'ps' outputs and similar. That is easily
using the "-K -" contruct that causes curl to read parameters from stdin to avoided by using the "-K" option that tells curl to read parameters from a
which you can pass the secret info. file or stdin to which you can pass the secret info.
To keep the passwords in your account secret from the rest of the world is To keep the passwords in your account secret from the rest of the world is
not a task that curl addresses. You could of course encrypt them somehow to not a task that curl addresses. You could of course encrypt them somehow to
@ -204,3 +219,8 @@ FAQ
19. Can I use curl to delete/rename a file through FTP? 19. Can I use curl to delete/rename a file through FTP?
Yes. You specify custom ftp commands with -Q/--quote. Yes. You specify custom ftp commands with -Q/--quote.
One example would be to delete a file after you have downloaded it:
# curl -O ftp://download.com/coolfile -Q "-DELE coolfile"