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zsh/bash "command not found" handler that will use ssh if $1 resolves
#
# _______
# ____________ _______ _\__ /_________ ___ _____
# | _ _ \ _ | ____\ _ / | |/ _ \
# | / / / / | | | /___/ _ | | / /
# |___/___/ /___/____|________|___ | |_| |___|_____/
# \__/ |___|
#
#
# Put this in your ~/.zshrc or ~/.bashrc:
# source ~/.zsh/ssh
#
# (c) 2011 Wijnand Modderman-Lenstra <maze@pyth0n.org>
# MIT License
#
is_ip() {
IP="$1"
python - "${IP}" <<EOF
import socket
import sys
# Check IPv6
if socket.has_ipv6:
try:
socket.inet_pton(socket.AF_INET6, sys.argv[1])
sys.exit(0)
except socket.error:
pass
# Check IPv4
try:
socket.inet_pton(socket.AF_INET, sys.argv[1])
sys.exit(0)
except socket.error:
sys.exit(1)
EOF
return $?
}
try_connect_ssh() {
# If only one argument is supplied and $1 resolves into a hostname,
# connect there using ssh
if [[ $# -gt 0 ]]; then
RESOLVES=$(host -W 2 $1 2>/dev/null | grep -v NXDOMAIN)
if [ -z "${RESOLVES}" ]; then
if is_ip "$1"; then
RESOLVES="$1"
fi
fi
if [ $? -eq 0 -a -n "${RESOLVES}" ]; then
ssh "$@"
# Tell zsh we did handle the command
return 0
fi
fi
.
# Tell zsh we didn't handle the command
return 1
}
case "${SHELL}" in
*/zsh)
command_not_found_handler() {
try_connect_ssh "$@"
return $?
}
;;
*/bash)
command_not_found_handle() {
try_connect_ssh "$@"
return $?
}
;;
esac
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tehmaze commented Jul 18, 2011

Updated the file so you can also use stuff like:

shell% <hostname> -l root

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tehmaze commented Jul 20, 2011

Updated the file so that you can also use IP addresses:

shell% 127.0.0.1
Password:
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