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Better comments, trap Ctrl+C
Signed-off-by: Anirudh Oppiliappan <x@icyphox.sh>
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shlide
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shlide
···
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}
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colorify() {
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# 'eval' hack to achieve substitution for colors.
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eval "declare dummy=\"$1\""
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printf '%b' "$dummy"
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}
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# Filter out color sequences.
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shopt -s extglob
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ansi_filter() {
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local IFS=
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echo "${1//$'\e'[\[(]*([0-9;])[@-n]/}"
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#/" a little fix to keep my vim syntax hl sane
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local IFS=
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echo "${1//$'\e'[\[(]*([0-9;])[@-n]/}"
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#" A little fix to prevent vim syntax highlighting from breaking.
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}
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···
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}
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die() {
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printf '\e[?25h'
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exit 0
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}
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display_end() {
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read -r LINES COLUMNS < <(stty -F /dev/tty size)
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((l=$LINES/2))
···
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while true; do
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# Clear the screen.
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printf '\e[2J'
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# Capture Ctrl+C.
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trap 'die' INT
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# Display END reached prompt, and then exit
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[[ "$i" -eq "${#slides[@]}" ]] && {
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display_end
···
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case "$input" in
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"j"|"n"|"q")
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printf '\e[2J'
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printf '\e[?25h'
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exit
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die
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;;
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*)
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((--i))
···
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;;
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"q")
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# Return the cursor on exit.
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printf '\e[?25h'
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exit
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die
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;;
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esac
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done