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23 lines
435 B
Bash
23 lines
435 B
Bash
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#!/bin/bash
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# sixel endless mode
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# Should print an endless sine curve, abort with Ctrl-C.
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period=200
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amplitude=50
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sixels=(@\$ A\$ C\$ G\$ O\$ _\$-)
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pi=$(echo "scale=10; 4*a(1)" | bc -l)
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run=true
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trap run=false INT
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echo -ne "\x1bP0;0;0q\"1;1#1;2;100;0;0#1"
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y=0
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while $run
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do
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x=$(echo "s(2*${pi}*${y}/${period})*${amplitude}+2*${amplitude}+0.5" | bc -l)
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echo -ne "!${x%%.*}?${sixels[$((y%6))]}"
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(( y++ ))
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done
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echo -e "\x1b\\"
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