gp

#!/bin/bash
# Copyright (C) 2017 Xiao-Yong Jin
# MIT License [https://opensource.org/licenses/MIT]
set -ue

declare setup=""
declare read_statements=N
while (($# > 0)); do
    case $1 in
        -s)
            setup="$2"; shift 2
            ;;
        -p)
            read_statements=Y; shift 1
            ;;
        *)
            break
            ;;
    esac
done
if [[ $read_statements == Y ]]; then
    read -e || true
    declare -r plot="$REPLY"
else
    # simply plot data from stdin
    # use the command line as plot arguments
    declare -r plot="plot '-' $@"
fi
case $(uname) in
    Darwin)
        declare -ai tty_size=( $(stty -f /dev/tty size) )
        ;;
    *)
        declare -ai tty_size=( $(stty -F /dev/tty size) )
        ;;
esac
#echo "Got setup ::: $setup"
#echo "Got plot ::: $plot"
declare -a gpversion
read -a gpversion < <(gnuplot --version | awk 'BEGIN{FS="[ .]"}{print $2,$3,$5}')
#echo "Got gnuplot version ${gpversion[0]}.${gpversion[1]}.${gpversion[2]}"
if ((${gpversion[0]} > 4)); then
    setup="
         set linetype 1 pt 'o';
         set linetype 2 pt 'x';
         set linetype 3 pt '*';
         set linetype 4 pt '0';
         set linetype 7 pt '^';
         set linetype 5 pt 'c';
         set linetype 6 pt 'v';
         set linetype 8 pt 'u';
         set linetype cycle 8;
         $setup;"
fi
gnuplot -e \
        "set term dumb $((tty_size[1]-2)),$((tty_size[0])) nofeed;
         $setup;
         $plot"