util_link_responding_p url { list_of_bad_codes "404" }What it does:
Returns 1 if the URL is responding (generally we think that anything other than 404 (not found) is okay).Defined in: /web/philip/packages/acs-core/utilities-procs.tcl
Source code:
if [catch { set status [util_get_http_status $url] } errmsg] { # got an error; definitely not valid return 0 } else { # we got the page but it might have been a 404 or something if { [lsearch $list_of_bad_codes $status] != -1 } { return 0 } else { return 1 } }