49 lines
1.5 KiB
Bash
49 lines
1.5 KiB
Bash
#!/usr/bin/env bash
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echo
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awk 'BEGIN{
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s="/\\/\\/\\/\\/\\"; s=s s s s s s s s;
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for (colnum = 0; colnum<77; colnum++) {
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r = 255-(colnum*255/76);
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g = (colnum*510/76);
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b = (colnum*255/76);
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if (g>255) g = 510-g;
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printf "\033[48;2;%d;%d;%dm", r,g,b;
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printf "\033[38;2;%d;%d;%dm", 255-r,255-g,255-b;
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printf "%s\033[0m", substr(s,colnum+1,1);
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}
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printf "\n";
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}'
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# --- Environment diagnostics -------------------------------------------------
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echo
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echo "──────────────────────────────"
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echo " Environment and Tmux Details "
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echo "──────────────────────────────"
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echo "TERM: ${TERM}"
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echo "COLORTERM: ${COLORTERM:-undefined}"
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echo
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if command -v tmux >/dev/null && tmux info &>/dev/null; then
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echo "Tmux RGB/Tc capabilities:"
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tmux info | grep -E "RGB|Tc" || echo "(none found)"
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echo
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echo "Tmux server terminal options:"
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tmux show-options -s | grep terminal || echo "(none found)"
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else
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echo "Tmux not running or unavailable."
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fi
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# --- Underline capability test -----------------------------------------------
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echo
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echo "Underline styles test:"
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printf '\x1b[58:2::255:0:0m' # red underline color
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printf '\x1b[4:1msingle ' # single underline
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printf '\x1b[4:2mdouble ' # double underline
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printf '\x1b[4:3mcurly ' # curly underline
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printf '\x1b[4:4mdotted ' # dotted underline
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printf '\x1b[4:5mdashed ' # dashed underline
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printf '\x1b[0m\n'
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echo
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