this repo has no description
Shellchecked :sparkles:
Signed-off-by: Anirudh Oppiliappan <x@icyphox.sh>
+25
-24
+25
-24
shlide
+25
-24
shlide
···
4
4
# Each slide is a textfile under path/to/slides
5
5
6
6
# Color definitions.
7
-
BLK="\e[38;5;30m"
8
-
RED="\e[38;5;31m"
9
-
GRN="\e[38;5;32m"
10
-
YLW="\e[38;5;33m"
11
-
BLU="\e[38;5;34m"
12
-
PUR="\e[38;5;35m"
13
-
CYN="\e[38;5;36m"
14
-
RST="\e[0m"
7
+
export BLK="\e[38;5;30m"
8
+
export RED="\e[38;5;31m"
9
+
export GRN="\e[38;5;32m"
10
+
export YLW="\e[38;5;33m"
11
+
export BLU="\e[38;5;34m"
12
+
export PUR="\e[38;5;35m"
13
+
export CYN="\e[38;5;36m"
14
+
export RST="\e[0m"
15
15
16
16
# Other formatting.
17
-
BLD="\e[1m"
18
-
DIM="\e[2m"
19
-
ITA="\e[3m"
20
-
UND="\e[4m"
21
-
FLS="\e[5m"
22
-
REV="\e[7m"
23
-
INV="\e[8m"
24
-
STR="\e[9m"
17
+
export BLD="\e[1m"
18
+
export DIM="\e[2m"
19
+
export ITA="\e[3m"
20
+
export UND="\e[4m"
21
+
export FLS="\e[5m"
22
+
export REV="\e[7m"
23
+
export INV="\e[8m"
24
+
export STR="\e[9m"
25
25
26
26
lines() {
27
27
mapfile -tn 0 lines < "$1"
···
32
32
max=0
33
33
local IFS=
34
34
while read -r line; do
35
-
l=$(ansi_filter $(colorify "$line"))
35
+
l=$(ansi_filter "$(colorify "$line")")
36
36
if [ "${#l}" -gt "$max" ]; then max="${#l}"; fi
37
37
done < "$1"
38
38
printf '%s\n' "$max"
···
40
40
41
41
colorify() {
42
42
# 'eval' hack to achieve substitution for colors.
43
+
# Exclude SC2154.
43
44
eval "declare dummy=\"$1\""
44
45
printf '%b' "$dummy"
45
46
}
···
48
49
shopt -s extglob
49
50
ansi_filter() {
50
51
local IFS=
51
-
echo "${1//$'\e'[\[(]*([0-9;])[@-n]/}"
52
+
printf '%s' "${1//$'\e'[\[(]*([0-9;])[@-n]/}"
52
53
#" A little fix to prevent vim syntax highlighting from breaking.
53
54
}
54
55
···
79
80
width=$(longest_line "$2")
80
81
81
82
# Rough estimates for the true center.
82
-
((l=$LINES/2 - $height/2))
83
-
((c=$COLUMNS/2 - $width/2))
83
+
((l=LINES/2 - height/2))
84
+
((c=COLUMNS/2 - width/2))
84
85
85
86
printf '\e[%s;%sH' "$l" "$c"
86
87
···
96
97
esac
97
98
# Move down and back after each print.
98
99
l=$(ansi_filter "$l")
99
-
printf '\e[%sD\e[B' "$((${#l} - $reduce))"
100
+
printf '\e[%sD\e[B' "$((${#l} - reduce))"
100
101
done <<< "$slide_contents"
101
102
102
103
}
···
109
110
110
111
display_end() {
111
112
read -r LINES COLUMNS < <(stty -F /dev/tty size)
112
-
((l=$LINES/2))
113
-
((c=$COLUMNS/2 - 8))
113
+
((l=LINES/2))
114
+
((c=COLUMNS/2 - 8))
114
115
printf '\e[2J'
115
116
printf '\e[0;%sH' "$c"
116
117
printf 'END. Press q to quit.'
···
146
147
[[ "$i" -lt 0 ]] && i=0
147
148
148
149
# Navigate on j/k/n/p and quit on q.
149
-
display "$(<${slides[$i]})" "${slides[$i]}" "$i" "${#slides[@]}"
150
+
display "$(<"${slides[$i]}")" "${slides[$i]}" "$i" "${#slides[@]}"
150
151
read -rsn1 input
151
152
case "$input" in
152
153
"j"|"n")