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Clean up code, better docs
* Mention bash version requirement in the readme (#2)
* Remove redundant code
Signed-off-by: Anirudh Oppiliappan <x@icyphox.sh>
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readme.md
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readme.md
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shlide
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shlide
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#!/usr/bin/env bash
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#
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# Usage: shlide path/to/slides/
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# Each slide is a textfile under path/to/slides
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# shellcheck disable=2154
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#
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# shlide - a slide deck presentation tool written in pure bash
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# https://github.com/icyphox/shlide
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#
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# The MIT License (MIT)
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#
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# Copyright (c) 2020 Anirudh Oppiliappan <x@icyphox.sh>
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# Color definitions.
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export BLK="\e[38;5;30m"
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slide_contents="$1"
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# Hides the cursor.
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# Hide the cursor.
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printf '\e[?25l'
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# Clear the screen.
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printf '\e[2J'
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# Get screen size
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shopt -s checkwinsize; (:;:)
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# Get screen size.
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read -r LINES COLUMNS < <(stty -F /dev/tty size)
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# Write slide number at bottom left
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# Write slide number at bottom left.
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printf '\e[H'
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printf '\e[%sB%s/%s' "$LINES" "$(($3+1))" "$4"
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# Custom calculations to center text
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# Custom calculations to center text.
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height=$(lines "$2")
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width=$(longest_line "$2")
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···
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}
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display_end() {
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read -r LINES COLUMNS < <(stty -F /dev/tty size)
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((l=LINES/2))
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((c=COLUMNS/2 - 8))
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printf '\e[2J'
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# Capture Ctrl+C.
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trap 'die' INT
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# Display END reached prompt, and then exit
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# Display END reached prompt, and then exit.
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[[ "$i" -eq "${#slides[@]}" ]] && {
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display_end
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read -rsn1 input