bash: make color handling faster and cleaner
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1 changed files with 74 additions and 60 deletions
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@ -91,38 +91,47 @@ HISTSIZE=
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HISTTIMEFORMAT="[%F %T] "
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HISTFILE="$XDG_DATA_HOME/bash/history"
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_tput_wrapper() {
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local fmt="$1"; shift
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printf "$fmt" "$@" | tput -S | sed -E "s/\x1B\[/ \x1B\[/g"
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}
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# shellcheck disable=SC2034 # these variable are meant for use in shell only
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{
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# Color definitions (from http://ethanschoonover.com/solarized)
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# NAME RGB HEX SGR ANSI TERMCOL XTERM/HEX L*A*B RGB HSB
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# ---- ------- --- ---- ------- ----------- ----------- ----------- -----------
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Base03=8 Base03_RGB="002B36" # 1;30 8 brblack 234 #1c1c1c 15 -12 -12 0 43 54 193 100 21
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Base02=0 Base02_RGB="073642" # 0;30 0 black 235 #262626 20 -12 -12 7 54 66 192 90 26
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Base01=10 Base01_RGB="586E75" # 1;32 10 brgreen 240 #585858 45 -07 -07 88 110 117 194 25 46
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Base00=11 Base00_RGB="657B83" # 1;33 11 bryellow 241 #626262 50 -07 -07 101 123 131 195 23 51
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Base0=12 Base0_RGB="839496" # 1;34 12 brblue 244 #808080 60 -06 -03 131 148 150 186 13 59
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Base1=14 Base1_RGB="93A1A1" # 1;36 14 brcyan 245 #8a8a8a 65 -05 -02 147 161 161 180 9 63
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Base2=7 Base2_RGB="EEE8D5" # 0;37 7 white 254 #e4e4e4 92 -00 10 238 232 213 44 11 93
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Base3=15 Base3_RGB="FDF6E3" # 1;37 15 brwhite 230 #ffffd7 97 00 10 253 246 227 44 10 99
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Yellow=3 Yellow_RGB="B58900" # 0;33 3 yellow 136 #af8700 60 10 65 181 137 0 45 100 71
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Orange=9 Orange_RGB="CB4B16" # 1;31 9 brred 166 #d75f00 50 50 55 203 75 22 18 89 80
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Red=1 Red_RGB="DC322F" # 0;31 1 red 160 #d70000 50 65 45 220 50 47 1 79 86
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Magenta=5 Magenta_RGB="D33682" # 0;35 5 magenta 125 #af005f 50 65 -05 211 54 130 331 74 83
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Violet=13 Violet_RGB="6C71C4" # 1;35 13 brmagenta 61 #5f5faf 50 15 -45 108 113 196 237 45 77
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Blue=4 Blue_RGB="268BD2" # 0;34 4 blue 33 #0087ff 55 -10 -45 38 139 210 205 82 82
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Cyan=6 Cyan_RGB="2AA198" # 0;36 6 cyan 37 #00afaf 60 -35 -05 42 161 152 175 74 63
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Green=2 Green_RGB="859900" # 0;32 2 green 64 #5f8700 60 -20 65 133 153 0 68 100 60
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Reset="$(tput sgr0)"
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read -a _FG <<<$(_tput_wrapper 'setaf %d\n' {0..15})
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read -a _BG <<<$(_tput_wrapper 'setab %d\n' {0..15})
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PS1_EXIT=$(tput setaf $Red) # color for last exit code if non-zero
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PS1_ROOT=$(tput setaf $Orange) # logged in as root
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PS1_SSH=$(tput setaf $Yellow) # hostname for SSH sessions
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PS1_PWD=$(tput setaf $Cyan) # PWD color
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PS1_GIT=$(tput setaf $Blue) # color for git branch
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PS1_VENV=$(tput setaf $Violet) # color for python virtual env
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PS1_JOBS=$(tput setaf $Magenta) # color for background jobs
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PS1_SEP=" > " # separator between prompt parts
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PS1_SEP_COLOR="" # is set in __update_colors
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PS1_RST=$(tput sgr0)
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# Color definitions (from http://ethanschoonover.com/solarized)
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# CSI foreground CSI background RGB HEX ANSI Index ANSI Codes
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# ---------------- --------------------- -------------------- ----------- ------------
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Base03=${_FG[ 8]} Base03_BG=${_BG[ 8]} Base03_RGB="002B36" Base03_N=8 # 1;30 brblack
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Base02=${_FG[ 0]} Base02_BG=${_BG[ 0]} Base02_RGB="073642" Base02_N=0 # 0;30 black
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Base01=${_FG[10]} Base01_BG=${_BG[10]} Base01_RGB="586E75" Base01_N=10 # 1;32 brgreen
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Base00=${_FG[11]} Base00_BG=${_BG[11]} Base00_RGB="657B83" Base00_N=11 # 1;33 bryellow
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Base0=${_FG[12]} Base0_BG=${_BG[12]} Base0_RGB="839496" Base0_N=12 # 1;34 brblue
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Base1=${_FG[14]} Base1_BG=${_BG[14]} Base1_RGB="93A1A1" Base1_N=14 # 1;36 brcyan
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Base2=${_FG[ 7]} Base2_BG=${_BG[ 7]} Base2_RGB="EEE8D5" Base2_N=7 # 0;37 white
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Base3=${_FG[15]} Base3_BG=${_BG[15]} Base3_RGB="FDF6E3" Base3_N=15 # 1;37 brwhite
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Red=${_FG[ 1]} Red_BG=${_BG[ 1]} Red_RGB="DC322F" Red_N=1 # 0;31 red
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Orange=${_FG[ 9]} Orange_BG=${_BG[ 9]} Orange_RGB="CB4B16" Orange_N=9 # 1;31 brred
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Yellow=${_FG[ 3]} Yellow_BG=${_BG[ 3]} Yellow_RGB="B58900" Yellow_N=3 # 0;33 yellow
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Green=${_FG[ 2]} Green_BG=${_BG[ 2]} Green_RGB="859900" Green_N=2 # 0;32 green
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Cyan=${_FG[ 6]} Cyan_BG=${_BG[ 6]} Cyan_RGB="2AA198" Cyan_N=6 # 0;36 cyan
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Blue=${_FG[ 4]} Blue_BG=${_BG[ 4]} Blue_RGB="268BD2" Blue_N=4 # 0;34 blue
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Violet=${_FG[13]} Violet_BG=${_BG[13]} Violet_RGB="6C71C4" Violet_N=13 # 1;35 brmagenta
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Magenta=${_FG[ 5]} Magenta_BG=${_BG[ 5]} Magenta_RGB="D33682" Magenta_N=5 # 0;35 magenta
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PS1_EXIT="$Red" # color for last exit code if non-zero
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PS1_ROOT="$Orange" # logged in as root
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PS1_SSH="$Yellow" # hostname for SSH sessions
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PS1_PWD="$Cyan" # PWD color
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PS1_GIT="$Blue" # color for git branch
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PS1_VENV="$Violet" # color for python virtual env
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PS1_JOBS="$Magenta" # color for background jobs
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PS1_SEP=" > " # separator between prompt parts
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PS1_SEP_LIGHT="$Base1"
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PS1_SEP_DARK="$Base01"
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GIT_PS1_SHOWDIRTYSTATE=1
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GIT_PS1_SHOWSTASHSTATE=1
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@ -135,9 +144,11 @@ PS2="... "
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__ps1_set() {
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local exit=$?
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local sep="$PS1_SEP_COLOR$PS1_SEP"
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local sep="$PS1_SEP_DARK$PS1_SEP"
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local prompt=">>>>>>>>>>"
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[ "$BACKGROUND" = "light" ] && sep="$PS1_SEP_LIGHT$PS1_SEP"
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local ps=()
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[ $exit -ne 0 ] && ps+=("$PS1_EXIT$exit")
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[ $EUID -eq 0 ] && { ps+=("$PS1_ROOT\u"); prompt="##########"; }
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@ -149,7 +160,7 @@ __ps1_set() {
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local extra=""
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[ ${#ps[@]} -gt 1 ] && printf -v extra "$sep%s" "${ps[@]:1}"
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PS1="\n${ps[0]}$extra$PS1_RST\n${prompt:0:$SHLVL} "
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PS1="\n${ps[0]}$extra$Reset\n${prompt:0:$SHLVL} "
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} &>/dev/null
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##############################################################################
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@ -254,10 +265,8 @@ _update_colors() {
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if [ "$BACKGROUND" = "light" ]; then
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_set_terminal_colors $Base01_RGB $Base3_RGB $Red_RGB # fg bg cursor
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PS1_SEP_COLOR=$(tput setaf $Base1)
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else
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_set_terminal_colors $Base1_RGB $Base03_RGB $Red_RGB # fg bg cursor
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PS1_SEP_COLOR=$(tput setaf $Base01)
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fi
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if [ -n "$TMUX" ] && [ -f "$XDG_CONFIG_HOME/tmux/tmux-colors.conf" ]; then
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@ -370,54 +379,59 @@ mkcd() { mkdir -p -- "$1" && cd -P -- "$1" || return; }
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# Colorized `man`
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man() {
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local rst standout bold underline
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local standout bold underline
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rst=$(tput sgr0)
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if [ "$BACKGROUND" = "light" ]; then
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standout=$(tput -S <<<"$(echo -e "setaf $Base3\nsetab $Cyan")")
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bold=$(tput -S <<<"$(echo -e "setaf $Blue")")
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underline=$(tput -S <<<"$(echo -e "setaf $Base02\nsmul")")
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standout="$Base3$Cyan_BG"
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bold="$Blue"
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underline="$Base02$(tput smul)"
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else
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standout=$(tput -S <<<"$(echo -e "setaf $Base03\nsetab $Cyan")")
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bold=$(tput -S <<<"$(echo -e "setaf $Yellow")")
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underline=$(tput -S <<<"$(echo -e "setaf $Base3\nsmul")")
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standout="$Base03$Cyan_BG"
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bold="$Yellow"
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underline="$Base3$(tput smul)"
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fi
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LESS_TERMCAP_so=$standout \
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LESS_TERMCAP_md=$bold \
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LESS_TERMCAP_us=$underline \
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LESS_TERMCAP_se=$rst \
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LESS_TERMCAP_me=$rst \
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LESS_TERMCAP_ue=$rst \
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GROFF_NO_SGR=1 \
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LESS_TERMCAP_so="$standout" \
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LESS_TERMCAP_md="$bold" \
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LESS_TERMCAP_us="$underline" \
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LESS_TERMCAP_se="$Reset" \
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LESS_TERMCAP_me="$Reset" \
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LESS_TERMCAP_ue="$Reset" \
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GROFF_NO_SGR=1 \
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command man "$@"
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}
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solarized() {
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local rst name name_rgb rgb fg bg
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local name rgb _bg n
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rst=$(tput sgr0)
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for name in Red Orange Yellow Green Cyan Blue Violet Magenta Base{0{3..0},{0..3}}
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for name in \
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Red Orange Yellow Green Cyan Blue Violet Magenta \
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Base{0{3..0},{0..3}}
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do
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name_rgb=${name}_RGB
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i=
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rgb=${!name_rgb}
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fg=$(tput setaf "${!name}")
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bg=$(tput setab "${!name}")
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printf "$bg%6s$rst $fg#$rgb %2d $name$rst\n" '' "${!name}"
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rgb=${name}_RGB _bg=${name}_BG n=${name}_N
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printf "${!_bg}%6s$Reset ${!name}#${!rgb} %2s $name$Reset\n" '' "${!n}"
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done
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}
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styletest() {
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printf "$(tput bold)This text has the bold attribute.${Reset}\n"
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printf "$(tput dim)This text has the dim attribute.${Reset}\n"
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printf "$(tput smso)This text has the standout (smso) attribute.${Reset}\n"
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printf "$(tput smul)This text has the underline (smul) attribute.${Reset}\n"
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printf "$(tput blink)This text has the blink attribute.${Reset}\n"
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printf "$(tput rev)This text has the reverse attribute.${Reset}\n"
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printf "$(tput invis)This text has the invisible attribute.${Reset}\n"
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}
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# Print all 256 colors
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colortest() {
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local i j rst
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rst=$(tput sgr0)
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local i j
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for i in $(seq 0 15); do
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for j in $(seq 0 15); do
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local n=$(( 16 * i + j ))
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printf "$(tput setab $n) %3d " $n
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done
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echo "$rst"
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echo "$Reset"
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done
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}
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