Chilkat Examples

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Tcl Examples

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(Tcl) S3 List Buckets (using Chilkat REST)

Demonstrates how to fetch a list of S3 buckets.

Chilkat Tcl Extension Downloads

Chilkat Tcl Extension Downloads

load ./chilkat.dll

# This example requires the Chilkat API to have been previously unlocked.
# See Global Unlock Sample for sample code.

set rest [new_CkRest]

# Connect to the Amazon AWS REST server.
set bTls 1
set port 443
set bAutoReconnect 1
set success [CkRest_Connect $rest "s3.amazonaws.com" $port $bTls $bAutoReconnect]

# ----------------------------------------------------------------------------
# Important: For buckets created in regions outside us-east-1,
# there are three important changes that need to be made.
# See Working with S3 Buckets in Non-us-east-1 Regions for the details.
# ----------------------------------------------------------------------------

# Provide AWS credentials for the REST call.
set authAws [new_CkAuthAws]

CkAuthAws_put_AccessKey $authAws "AWS_ACCESS_KEY"
CkAuthAws_put_SecretKey $authAws "AWS_SECRET_KEY"
CkAuthAws_put_ServiceName $authAws "s3"
set success [CkRest_SetAuthAws $rest $authAws]

set sbResponse [new_CkStringBuilder]

set success [CkRest_FullRequestNoBodySb $rest "GET" "/" $sbResponse]
if {$success != 1} then {
    puts [CkRest_lastErrorText $rest]
    delete_CkRest $rest
    delete_CkAuthAws $authAws
    delete_CkStringBuilder $sbResponse
    exit
}

set statusCode [CkRest_get_ResponseStatusCode $rest]
puts "Response status code = $statusCode"

set xml [new_CkXml]

CkXml_LoadSb $xml $sbResponse 1
puts [CkXml_getXml $xml]

if {$statusCode != 200} then {
    puts "Failed.  See error information in the XML."
    delete_CkRest $rest
    delete_CkAuthAws $authAws
    delete_CkStringBuilder $sbResponse
    delete_CkXml $xml
    exit
}

# Use this online tool to generate code from sample XML: 
# Generate Code to Create XML

set i 0
set count_i [CkXml_NumChildrenHavingTag $xml "Buckets|Bucket"]
while {$i < $count_i} {
    CkXml_put_I $xml $i
    set Name [CkXml_getChildContent $xml "Buckets|Bucket[i]|Name"]
    set CreationDate [CkXml_getChildContent $xml "Buckets|Bucket[i]|CreationDate"]
    puts "$Name"
    puts "$CreationDate"
    puts "--"
    set i [expr $i + 1]
}

delete_CkRest $rest
delete_CkAuthAws $authAws
delete_CkStringBuilder $sbResponse
delete_CkXml $xml

 

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