60 lines
820 B
Bash
Executable File
60 lines
820 B
Bash
Executable File
#!/bin/bash
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set -e
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ip="${1}"
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port="${2}"
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print_usage() {
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echo "${1}"
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echo "${0} <IP> <PORT>"
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exit
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}
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[ -z "${ip}" ] && print_usage 'No IP given.'
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[ -z "${port}" ] && print_usage 'No port given.'
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[ -z "${3}" ] || print_usage 'Too many arguments.'
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send_message() {
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exec 3<> "/dev/tcp/${ip}/${port}"
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echo "${1}" >&3
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exec 3>&-
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}
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get_message() {
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exec 3<> "/dev/tcp/${ip}/${port}"
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echo "${1}" >&3
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timeout 1s cat <&3 || true
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exec 3>&-
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}
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while :; do
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read cmd
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case "${cmd}" in
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i)
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b=""
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while :; do
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read c
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[[ "${c}" != "." ]] || break
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if [ -z ${b} ]; then
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b="${c}"
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else
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b="${b}"$'\n'"${c}"
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fi
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done
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send_message 0"${b}"
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;;
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I)
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read a
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send_message 0"${a}"
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;;
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p)
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send_message 1
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get_message 2
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;;
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q)
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exit
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;;
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*)
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echo ?
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;;
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esac
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done
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