Chilkat Examples

ChilkatHOMEAndroid™Classic ASPCC++C#Mono C#.NET Core C#C# UWP/WinRTDataFlexDelphi ActiveXDelphi DLLVisual FoxProJavaLianjaMFCObjective-CPerlPHP ActiveXPHP ExtensionPowerBuilderPowerShellPureBasicCkPythonChilkat2-PythonRubySQL ServerSwift 2Swift 3/4TclUnicode CUnicode C++Visual Basic 6.0VB.NETVB.NET UWP/WinRTVBScriptXojo PluginNode.jsExcelGo

Tcl Examples

Web API Categories

ASN.1
Amazon Glacier
Amazon S3
Amazon S3 (new)
Amazon SES
Amazon SNS
Amazon SQS
Async
Azure Cloud Storage
Azure Service Bus
Base64
Bounced Email
Box
CSR
CSV
Certificates
Compression
DKIM / DomainKey
DSA
Diffie-Hellman
Digital Signatures
Dropbox
Dynamics CRM
ECC
Email Object
Encryption
FTP
FileAccess
Firebase
GMail REST API
Geolocation
Google APIs
Google Calendar
Google Cloud Storage
Google Drive
Google Photos
Google Sheets
Google Tasks
Gzip
HTML-to-XML/Text

HTTP
HTTP Misc
IMAP
JSON
JSON Web Encryption (JWE)
JSON Web Signatures (JWS)
JSON Web Token (JWT)
Java KeyStore (JKS)
MHT / HTML Email
MIME
Microsoft Graph
NTLM
OAuth1
OAuth2
OneDrive
OpenSSL
Outlook
PEM
PFX/P12
POP3
PRNG
REST
REST Misc
RSA Encryption
SCP
SFTP
SMTP
SSH
SSH Key
SSH Tunnel
SharePoint
Socket/SSL/TLS
Spider
Stream
Tar Archive
Upload
WebSocket
XAdES
XML
XML Digital Signatures
XMP
Zip
curl

 

 

 

(Tcl) SCP Download/Upload Binary Files as Encoded Strings

Demonstrates how to upload and download binary files as encoded strings (base64, hex, etc.) using the SCP protocol (Secure Copy Protocol over SSH).

Chilkat Tcl Extension Downloads

Chilkat Tcl Extension Downloads

load ./chilkat.dll

#  Important: It is helpful to send the contents of the
#  LastErrorText property when requesting support.

set ssh [new_CkSsh]

#  Any string automatically begins a fully-functional 30-day trial.
set success [CkSsh_UnlockComponent $ssh "30-day trial"]
if {[expr $success != 1]} then {
    puts [CkSsh_lastErrorText $ssh]
    delete_CkSsh $ssh
    exit
}

#  Hostname may be an IP address or hostname:
set hostname "www.some-ssh-server.com"
set port 22

#  Connect to an SSH server:
set success [CkSsh_Connect $ssh $hostname $port]
if {[expr $success != 1]} then {
    puts [CkSsh_lastErrorText $ssh]
    delete_CkSsh $ssh
    exit
}

#  Wait a max of 5 seconds when reading responses..
CkSsh_put_IdleTimeoutMs $ssh 5000

#  Authenticate using login/password:
set success [CkSsh_AuthenticatePw $ssh "myLogin" "myPassword"]
if {[expr $success != 1]} then {
    puts [CkSsh_lastErrorText $ssh]
    delete_CkSsh $ssh
    exit
}

#  Once the SSH object is connected and authenticated, we use it
#  in our SCP object.
set scp [new_CkScp]

set success [CkScp_UseSsh $scp $ssh]
if {[expr $success != 1]} then {
    puts [CkScp_lastErrorText $scp]
    delete_CkSsh $ssh
    delete_CkScp $scp
    exit
}

set remotePath "images/starfish.jpg"

#  Download the binary file and return as a base64 string.
#  See <a href="http://www.cknotes.com/chilkat-binary-encoding-list/">List of Encodings</a> for a list of possible encodings.
set encodedJpg [CkScp_downloadBinaryEncoded $scp $remotePath "base64"]
if {[expr [CkScp_get_LastMethodSuccess $scp] != 1]} then {
    puts [CkScp_lastErrorText $scp]
    delete_CkSsh $ssh
    delete_CkScp $scp
    exit
}

set remotePath "images/starfish2.jpg"

#  Now upload from the base64 string to the SSH server.
#  Insided the call to UploadBinaryEncoded, the base64 string is decoded,
#  and the decoded bytes are uploaded.  The resulting starfish2.jpg on the
#  server will be identical to the original starfish.jpg
set success [CkScp_UploadBinaryEncoded $scp $remotePath $encodedJpg "base64"]
if {[expr $success != 1]} then {
    puts [CkScp_lastErrorText $scp]
    delete_CkSsh $ssh
    delete_CkScp $scp
    exit
}

puts "SCP download/upload binary encoded success."

#  Disconnect
CkSsh_Disconnect $ssh

delete_CkSsh $ssh
delete_CkScp $scp

 

© 2000-2019 Chilkat Software, Inc. All Rights Reserved.