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add slide number indicator
+13
-4
+13
-4
shlide
+13
-4
shlide
···
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display() {
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# 1 - slide contents
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# 2 - slide name
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# 3 - current slide nr.
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# 4 - total nr. of slides
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slide_contents="$1"
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···
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# Clear the screen.
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printf '\e[2J'
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# Move the cursor to the center.
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read -r LINES COLUMNS < <(stty -F /dev/tty size)
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# Get screen size
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shopt -s checkwinsize; (:;:)
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# Write slide number at bottom left
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printf '\e[H'
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printf '\e[%sB%s/%s' "$LINES" "$(($3+1))" "$4"
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# Custom calculations to center text
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height=$(lines "$2")
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width=$(longest_line "$2")
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···
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slides=("$slides_dir"/[0-9]*.txt)
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i=0
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while true; do
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-
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# Clear the screen.
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printf '\e[2J'
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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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[[ "$i" -lt 0 ]] && i=0
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# Navigate on j/k/n/p and quit on q.
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display "$(<${slides[$i]})" "${slides[$i]}"
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display "$(<${slides[$i]})" "${slides[$i]}" "$i" "${#slides[@]}"
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read -rsn1 input
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case "$input" in
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"j"|"n")