Http async: Difference between revisions
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(Created page with "The ::http::geturl command blocks until the operation completes, unless the -command option specifies a callback that is invoked when the HTTP transaction completes. <pre> package require http proc httpCallback {token} { regexp {(?i)<title>([^<>]+)} [http::data $token] -> title http::cleanup $token puts "Title was \"$title\"" } set token [::http::geturl http://netbsd.org -timeout 10000 -command httpCallback] <pre>") |
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Latest revision as of 20:58, 4 May 2024
The ::http::geturl command blocks until the operation completes, unless the -command option specifies a callback that is invoked when the HTTP transaction completes.
package require http
proc httpCallback {token} {
regexp {(?i)<title>([^<>]+)} [http::data $token] -> title
http::cleanup $token
puts "Title was \"$title\""
}
set token [::http::geturl http://netbsd.org -timeout 10000 -command httpCallback]