vte2.91/perf/checkered.sh

25 lines
546 B
Bash

#!/bin/bash
color1='255:224:255'
color2='248:255:255'
y=1
while IFS=$'\n' read -r line; do
x=0
while [ -n "$line" -a "x${line:0:1}" != $'x\e' ]; do
char="${line:0:1}"
line="${line:1}"
x=$((x+1))
if [ $(( (x+y) % 2 )) = 1 ]; then
echo -ne "\e[48:2::${color1}m"
else
echo -ne "\e[48:2::${color2}m"
fi
printf %s "$char"
done
# If an escape character is found, stop painting the pattern for the rest of the line, and dump the remaining part.
echo -ne '\e[m'
echo "$line"
y=$((y+1))
done < "$1"