anirudh.fi
+7
Makefile
+7
Makefile
+8
example/1-hi.txt
+8
example/1-hi.txt
+7
example/2-another.txt
+7
example/2-another.txt
+5
readme.md
+5
readme.md
+81
shlide
+81
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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# Color definitions
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#BLK="\e[30m"
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#RED="\e[31m"
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#GRN="\e[32m"
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#YLW="\e[33m"
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#BLU="\e[34m"
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#PUR="\e[35m"
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#CYN="\e[36m"
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lstrip() {
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# See: https://github.com/dylanaraps/pure-bash-bible#strip-pattern-from-start-of-string
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printf '%s\n' "${1##$2}"
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}
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get_term_size() {
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# POSIX alternative to 'checkwinsize'.
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read -r LINES COLUMNS < <(stty -F /dev/tty size)
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}
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# navigate() {
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# case "$1" in
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# "j")
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# }
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display() {
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# 1 - slide contents
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# 2 - slide name
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slide_contents="$1"
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# slide_name="$(lstrip $2 "[0-9]-")"
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# Hides the cursor.
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printf '\e[?25l'
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# Clear the screen.
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printf '\e[2J'
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# Move the cursor to the center.
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get_term_size
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# Rough estimates for the true center.
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((l=0))
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((c=0))
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printf '\e[%s;%sH' "$l" "$c"
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while IFS= read -r line; do
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# Print the contents of the slide file,
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# line by line.
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printf '%s' "$line"
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# Move down and back after each print.
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printf '\e[%sD\e[B' "${#line}"
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done <<< "$slide_contents"
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# Change slide on space.
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read -rsn1 input
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#navigate "$input"
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}
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main() {
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slides_dir="$1"
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for f in "$slides_dir"/[0-9]*.txt; do
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f_contents="$(<$f)"
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display "$f_contents" "$f"
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done
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# Return the cursor.
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printf '\e[?25h'
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}
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main "$@"