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Tcl Requires Chilkat v11.5.0+

curl with Path Variables and Query Param Variables

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This example demonstrates using variables located in the path and query params with the {{variable_name}} syntax.

Chilkat Tcl Downloads

Tcl

load ./chilkat.dll

set success 0

#  Variables can occur in the path and query params.  
#  Variable names are enclosed between {{ and }}

#   curl -X GET https://httpbin.org/{{verb}}?id={id_value}}
set targetCurl "curl -X GET https://httpbin.org/{{verb}}?id={{id_value}}"

set httpCurl [new_CkHttpCurl]

#  Provide values for variables.
#  In this example, "verb" is a path variable, and "id_value" is a query param variable.
CkHttpCurl_SetVar $httpCurl "verb" "get"
CkHttpCurl_SetVar $httpCurl "id_value" "123"

#  Run the curl command.
set success [CkHttpCurl_DoYourThing $httpCurl $targetCurl]
if {$success == 0} then {
    puts [CkHttpCurl_lastErrorText $httpCurl]
    delete_CkHttpCurl $httpCurl
    exit
}

set responseJson [new_CkJsonObject]

CkJsonObject_put_EmitCompact $responseJson 0

set statusCode [CkHttpCurl_get_StatusCode $httpCurl]
puts "response status code: $statusCode"

CkHttpCurl_GetResponseJson $httpCurl $responseJson
puts [CkJsonObject_emit $responseJson]

#  Output:

#  response status code: 200
#  {
#    "args": {
#      "id": "123"
#    },
#    "headers": {
#      "Host": "httpbin.org",
#      "X-Amzn-Trace-Id": "Root=1-69e92914-5d4136d240f2f7fe1056f126"
#    },
#    "origin": "222.222.222.222",
#    "url": "https://httpbin.org/get?id=123"
#  }

delete_CkHttpCurl $httpCurl
delete_CkJsonObject $responseJson