(Tcl) SSH Execute Remote Commands

See more SSH Examples

Shows how to execute a command on an SSH server and retrieve the command output.

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 ssh [new_CkSsh]

set port 22
set success [CkSsh_Connect $ssh "the-ssh-server.com" $port]
if {$success != 1} then {
    puts [CkSsh_lastErrorText $ssh]
    delete_CkSsh $ssh
    exit
}

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

# Send some commands and get the output.
set strOutput [CkSsh_quickCommand $ssh "df" "ansi"]
if {[CkSsh_get_LastMethodSuccess $ssh] != 1} then {
    puts [CkSsh_lastErrorText $ssh]
    delete_CkSsh $ssh
    exit
}

puts "---- df ----"
puts "$strOutput"

set strOutput [CkSsh_quickCommand $ssh "echo hello world" "ansi"]
if {[CkSsh_get_LastMethodSuccess $ssh] != 1} then {
    puts [CkSsh_lastErrorText $ssh]
    delete_CkSsh $ssh
    exit
}

puts "---- echo hello world ----"
puts "$strOutput"

set strOutput [CkSsh_quickCommand $ssh "date" "ansi"]
if {[CkSsh_get_LastMethodSuccess $ssh] != 1} then {
    puts [CkSsh_lastErrorText $ssh]
    delete_CkSsh $ssh
    exit
}

puts "---- date ----"
puts "$strOutput"

# --------------
# Sample output:

# 	---- df ----
# 	Filesystem    512-blocks      Used  Available Capacity  iused     ifree %iused  Mounted on
# 	/dev/disk2    2176716032 265736304 1910467728    13% 33281036 238808466   12%   /
# 	devfs                382       382          0   100%      662         0  100%   /dev
# 	map -hosts             0         0          0   100%        0         0  100%   /net
# 	map auto_home          0         0          0   100%        0         0  100%   /home
# 	/dev/disk3s2      374668    374668          0   100%    93665         0  100%   /Volumes/Google Chrome
# 
# 	---- echo hello world ----
# 	hello world
# 
# 	---- date ----
# 	Thu Dec 22 17:19:32 CST 2016

delete_CkSsh $ssh