re-write on rainbow text
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a845b83b46
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@ -9,85 +9,34 @@ CYAN='\033[0;36m'
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RED='\033[0;31m'
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NC='\033[0m'
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render_gradient_string() {
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local input="$1"
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local regex='#([0-9a-fA-F]{6})(.)'
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while [[ "$input" =~ $regex ]]; do
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local hex="${BASH_REMATCH[1]}"
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local char="${BASH_REMATCH[2]}"
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local r=$((16#${hex:0:2}))
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local g=$((16#${hex:2:2}))
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local b=$((16#${hex:4:2}))
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printf "\e[38;2;%d;%d;%dm%s" "$r" "$g" "$b" "$char"
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input="${input#"#${hex}${char}"}"
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done
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echo -e "\e[0m"
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}
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rainbowize_text() {
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print_rainbow_text() {
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local text="$1"
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local freq=0.15
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local pi=3.14159265
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local i=0
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local r g b char
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while IFS= read -r -n1 char || [ -n "$char" ]; do
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if [[ "$char" == $'\n' ]]; then
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echo # newline
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echo
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continue
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fi
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# ANSI-safe: skip formatting on control characters
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# Keep control characters uncolored
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if [[ "$char" =~ [[:cntrl:]] ]]; then
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printf "%s" "$char"
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continue
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fi
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# Sine wave-based color cycling, clamped to avoid too dark/light
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r=$(printf "%.0f" "$(echo "s($freq*$i + 0) * 95 + 160" | bc -l)")
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g=$(printf "%.0f" "$(echo "s($freq*$i + 2*$pi/3) * 95 + 160" | bc -l)")
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b=$(printf "%.0f" "$(echo "s($freq*$i + 4*$pi/3) * 95 + 160" | bc -l)")
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printf "\e[38;2;%d;%d;%dm%s" "$r" "$g" "$b" "$char"
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printf "\e[38;2;%d;%d;%dm%s\e[0m" "$r" "$g" "$b" "$char"
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((i++))
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done <<< "$text"
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echo -e "\e[0m"
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}
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# rainbowize_text() {
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# local text="$1"
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# local freq=0.15
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# local i=0
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# local output=""
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# local pi=3.14159265
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# while IFS= read -r line; do
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# for (( j=0; j<${#line}; j++ )); do
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# char="${line:$j:1}"
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# if [[ "$char" == " " ]]; then
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# output+="$char"
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# continue
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# fi
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# r=$(awk -v i=$i -v f=$freq -v pi=$pi 'BEGIN { printf("%02x", 127 * (sin(f*i + 0) + 1)) }')
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# g=$(awk -v i=$i -v f=$freq -v pi=$pi 'BEGIN { printf("%02x", 127 * (sin(f*i + 2*pi/3) + 1)) }')
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# b=$(awk -v i=$i -v f=$freq -v pi=$pi 'BEGIN { printf("%02x", 127 * (sin(f*i + 4*pi/3) + 1)) }')
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# output+="#${r}${g}${b}${char}"
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# ((i++))
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# done
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# output+=$'\n'
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# done <<< "$text"
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# echo "$output"
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# }
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intro_block='
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----------------------------------------
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-Qortal Universal Linux Install Script -
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@ -109,7 +58,7 @@ text_004='
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- Correctly establish launchers for Qortal Hub
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'
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text_005='
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- Correctly create entires in desktop environment menus for Qortal Hub
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- Correctly create entries in desktop environment menus for Qortal Hub
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'
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text_006='
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- Ensure Qortal Hub has required no-sandbox flag if system requires it
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@ -136,64 +85,26 @@ text_013='
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Script will now begin...
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'
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introtext=$(rainbowize_text "$intro_block")
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rb_001=$(rainbowize_text "$text_001")
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rb_002=$(rainbowize_text "$text_002")
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rb_003=$(rainbowize_text "$text_003")
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rb_004=$(rainbowize_text "$text_004")
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rb_005=$(rainbowize_text "$text_005")
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rb_006=$(rainbowize_text "$text_006")
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rb_007=$(rainbowize_text "$text_007")
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rb_008=$(rainbowize_text "$text_008")
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rb_009=$(rainbowize_text "$text_009")
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rb_010=$(rainbowize_text "$text_010")
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rb_011=$(rainbowize_text "$text_011")
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rb_012=$(rainbowize_text "$text_012")
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rb_013=$(rainbowize_text "$text_013")
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echo
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print_rainbow_text "$intro_block"
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echo; sleep 1
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print_rainbow_text "$text_001"; sleep 1
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print_rainbow_text "$text_002"; sleep 0.25
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print_rainbow_text "$text_003"; sleep 0.25
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print_rainbow_text "$text_004"; sleep 0.25
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print_rainbow_text "$text_005"; sleep 0.25
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print_rainbow_text "$text_006"; sleep 0.25
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print_rainbow_text "$text_007"; sleep 0.25
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print_rainbow_text "$text_008"; sleep 0.25
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print_rainbow_text "$text_009"; sleep 0.25
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print_rainbow_text "$text_010"; sleep 0.25
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print_rainbow_text "$text_011"; sleep 0.5
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print_rainbow_text "$text_012"; sleep 1
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print_rainbow_text "$text_013"
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echo
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echo -e "\n"
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render_gradient_string "$introtext"
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echo -e "\n"
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sleep 1
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echo -e "\n"
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render_gradient_string "$rb_001"
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sleep 1
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echo -e "\n"
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render_gradient_string "$rb_002"
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sleep 0.25
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echo -e "\n"
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render_gradient_string "$rb_003"
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sleep 0.25
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echo -e "\n"
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render_gradient_string "$rb_004"
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sleep 0.25
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echo -e "\n"
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render_gradient_string "$rb_005"
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sleep 0.25
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echo -e "\n"
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render_gradient_string "$rb_006"
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sleep 0.25
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echo -e "\n"
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render_gradient_string "$rb_007"
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sleep 0.25
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echo -e "\n"
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render_gradient_string "$rb_008"
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sleep 0.25
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echo -e "\n"
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render_gradient_string "$rb_009"
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sleep 0.25
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echo -e "\n"
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render_gradient_string "$rb_010"
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sleep 0.25
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echo -e "\n"
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render_gradient_string "$rb_011"
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sleep 0.5
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echo -e "\n"
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render_gradient_string "$rb_012"
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sleep 1
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echo -e "\n"
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render_gradient_string "$rb_013"
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echo -e "\n"
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BACKUP_EXECUTED=false
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QORTAL_CORE_GOOD=false
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