(Tcl) Transition from Http.GetHead to Http.HttpNoBody

Provides instructions for replacing deprecated GetHead method calls with HttpNoBody.

Note: This example requires Chilkat v11.0.0 or greater.

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load ./chilkat.dll

set http [new_CkHttp]

set url "https://www.example.com/"

# ------------------------------------------------------------------------
# The GetHead method is deprecated:

# resp1 is a CkHttpResponse
set resp1 [CkHttp_GetHead $http $url]
if {[CkHttp_get_LastMethodSuccess $http] == 0} then {
    puts [CkHttp_lastErrorText $http]
    delete_CkHttp $http
    exit
}

puts [CkHttpResponse_get_StatusCode $resp1]
delete_CkHttpResponse $resp1

# ------------------------------------------------------------------------
# Do the equivalent using HttpNoBody.
# Your application creates a new, empty response object which is passed 
# in the last argument and filled with the HTTP response upon success.

set resp2 [new_CkHttpResponse]

set success [CkHttp_HttpNoBody $http "HEAD" $url $resp2]
if {$success == 0} then {
    puts [CkHttp_lastErrorText $http]
    delete_CkHttp $http
    delete_CkHttpResponse $resp2
    exit
}

puts [CkHttpResponse_get_StatusCode $resp2]

delete_CkHttp $http
delete_CkHttpResponse $resp2