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thebookofcolors
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Fix issues found with shellcheck

This commit is contained in:
The Magician 2023-11-20 21:11:33 +00:00
parent 030a42b42d
commit 9522913ff4
1 changed files with 14 additions and 14 deletions
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28
thebookofcolors
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@ -10,19 +10,19 @@ random_rgb_color_pair() {
red="$(random_channel_strength)" red="$(random_channel_strength)"
green="$(random_channel_strength)" green="$(random_channel_strength)"
blue="$(random_channel_strength)" blue="$(random_channel_strength)"
printf "$red;$green;$blue|$((255 - $red));$((255 - green));$((255 - blue))" printf "%s;%s;%s|$((255 - red));$((255 - green));$((255 - blue))" "$red" "$green" "$blue"
} }
thebookofcolors() { thebookofcolors() {
colors=$(random_rgb_color_pair) colors=$(random_rgb_color_pair)
foreground="$(echo $colors | cut -d '|' -f 1)" foreground="$(echo "$colors" | cut -d '|' -f 1)"
background="$(echo $colors | cut -d '|' -f 2)" background="$(echo "$colors" | cut -d '|' -f 2)"
printf "\e[38;2;${foreground}m" printf "\e[38;2;%sm" "$foreground"
printf "\e[48;2;${background}m" printf "\e[48;2;%sm" "$background"
if test -z "$1"; then if test -z "$1"; then
printf "The Book of Colors" printf "The Book of Colors"
else else
printf "$1" printf "%s" "$1"
fi fi
printf "\e[0m" printf "\e[0m"
} }
@ -33,7 +33,7 @@ newline() {
return return
fi fi
for i in $(seq 1 $1); do for i in $(seq 1 "$1"); do
printf "\n" printf "\n"
done done
} }
@ -45,7 +45,7 @@ title() {
fi fi
printf "\e[1;4;37m" printf "\e[1;4;37m"
printf "$1" printf "%s" "$1"
printf "\e[0m\n" printf "\e[0m\n"
} }
@ -56,7 +56,7 @@ subtitle() {
fi fi
printf "\e[4;37m" printf "\e[4;37m"
printf "$1" printf "%s" "$1"
printf "\e[0m" printf "\e[0m"
if test -z "$2"; then printf "\n"; fi if test -z "$2"; then printf "\n"; fi
} }
@ -72,7 +72,7 @@ italic() {
fi fi
printf "\e[3;37m" printf "\e[3;37m"
printf "$1" printf "%s" "$1"
printf "\e[0m" printf "\e[0m"
} }
@ -229,7 +229,7 @@ section_8bit_colors() {
subtitle "A Table of Available Colors" subtitle "A Table of Available Colors"
for i in $(seq 0 255); do for i in $(seq 0 255); do
if test "$(echo $i % 8 | bc)" = "0" -a "$i" != "0"; then if test "$(echo "$i" % 8 | bc)" = "0" -a "$i" != "0"; then
printf "\n" printf "\n"
fi fi
@ -464,7 +464,7 @@ section_strikethrough() {
section_using_escape_sequences_in_shell_prompt() { section_using_escape_sequences_in_shell_prompt() {
title "Using Escape Sequences in Shell Prompts" title "Using Escape Sequences in Shell Prompts"
printf "When using these sequences in a Bash prompt (e.g. $PS1), it's possible for issues to arise because of Bash \"miscounting\" the number of characters in the prompt string.\n" printf "When using these sequences in a Bash prompt (e.g. \$PS1), it's possible for issues to arise because of Bash \"miscounting\" the number of characters in the prompt string.\n"
printf "This is often the source of difficult-to-debug (or describe) issues with the terminal, such as characters being moved around or overwritten seemingly at random.\n" printf "This is often the source of difficult-to-debug (or describe) issues with the terminal, such as characters being moved around or overwritten seemingly at random.\n"
newline newline
@ -481,7 +481,7 @@ section_table_of_all_sgr_commands() {
newline newline
for i in $(seq 0 107); do for i in $(seq 0 107); do
if test "$(echo $i % 10 | bc)" = "0" -a "$i" != "0"; then if test "$(echo "$i" % 10 | bc)" = "0" -a "$i" != "0"; then
printf "\n" printf "\n"
fi fi
@ -582,7 +582,7 @@ main() {
newline newline
} }
name="$(basename $0)" name="$(basename "$0")"
if test "$name" = "thebookofcolors"; then if test "$name" = "thebookofcolors"; then
main | less -R main | less -R
fi fi