featuredPS1.sh added
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wiebel
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204
featuredPS1.sh
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204
featuredPS1.sh
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#!/bin/bash
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## (c) by wiebel (wiebel42@gmail.com)
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# Function to display the returncode of the previous command if not zero
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ps1_return() {
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if [ "$1" != "0" ]; then
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echo -e "$1 "
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fi
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return $1
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}
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# Generating the not symlinked part of the Working directory
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# Needs to be improved, by the use of $DIRSTACK, should be waaaay easier
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ps1_pre() {
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ret=$? # Buffer the returncode
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dir=$PWD
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dir_komp=$PWD
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#if grep -q ^$HOME <<< $PWD
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if [ -z "${PWD/${HOME}*}" ]; then
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athome=true
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# dir_komp=$(sed -e "s/^$(sed -e "s:/:\\\/:g" <<<$HOME)/~/" <<< $dir)
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dir_komp=${dir/${HOME}/\~}
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while [ "$PWD" != "$HOME" ]; do
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# if readlink "$PWD" >/dev/null; then
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if [ -L "$PWD" ]; then
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sym=true
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cd ..
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dir=$PWD/
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else
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cd ..
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fi
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done
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# dir=$(sed -e "s/^$(sed -e "s:/:\\\/:g" <<<$HOME)/~/" <<< $dir)
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dir=${dir/${HOME}/\~}
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else
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athome=false
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while [ "$PWD" != "/" ]; do
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# if readlink "$PWD" >/dev/null
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if [ -L "$PWD" ]; then
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sym=true
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cd ..
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dir=$PWD/
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else
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cd ..
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fi
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done
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fi
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#if [ `wc -c <<< $dir_komp` -gt "30" ]
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if [ ${#dir_komp} -gt "30" ]; then
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if [ $sym ]; then
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if $athome; then
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dir="~/$(cut -d/ -f2 <<< $dir)/..."
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else
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dir="/$(cut -d/ -f2 <<< $dir)/..."
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fi
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else
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dir=$(sed -e 's:\(/[^/]*/\).*\(/[^/]\):\1...\2:' <<< $dir)
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# dir=${dir/${HOME}/\~}
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fi
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fi
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echo -e $dir
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return $ret
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}
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# coloring if we're at home or not
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ps1_pre_color(){
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ret=$?
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#if grep -q $HOME <<<$PWD
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if [ -z "${PWD/${HOME}*}" ]; then
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echo -e $HOME_COLOR
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else
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echo -e $ROOT_COLOR
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fi
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return $ret
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}
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# Now to the colors for the symlinked part of it
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ps1_dir_color() {
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ret=$?
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#If we're not at home make it $ROOT_SYM
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d_color=$ROOT_SYM
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# If we're anywhere at home make it $HOME_SYM
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#if grep -q ^$HOME <<< $PWD
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if [ -z "${PWD/${HOME}*}" ]; then
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d_color=$HOME_SYM
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fi
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# Check if we really are where we ought to be (if there is a symlink in the path)
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while [ "$PWD" != "/" ]; do
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# if readlink "$PWD" >/dev/null
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if [ -L "$PWD" ]; then
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# There is a symlink so now show me you're true color
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new_path=$(readlink "$PWD")
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cd ../;cd $new_path
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# if grep -q ^$HOME <<< $PWD
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if [ -z ${PWD/${HOME}*} ]; then
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d_color=$HOME_SYM
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else
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d_color=$ROOT_SYM
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fi
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else
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cd ..
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fi
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done
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echo -e "$d_color"
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return $ret
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}
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# Ok show me the symlinked part of the path
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ps1_dir() {
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ret=$?
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# echo $1
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#if grep -q ^~ <<< $1
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if [ -z "${1/\~*}" ]; then
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# d=$(sed -e "s:~:$HOME:" <<<"$*")
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d=${*/\~/${HOME}}
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else
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d="$*"
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fi
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if [ "$d" = "$PWD" ]; then
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dir=""
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elif grep -q "\.\.\.$" <<<"$d"; then
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dir=$(sed -e "s:.*\(/[!/]*\):\1:" <<< $PWD)
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elif grep -q "\/\.\.\.\/" <<< "$d"; then
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dir=""
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else
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dir=$(sed -e "s/^$(sed -e "s:/:\\\/:g" <<<"$d")//" <<< $PWD)
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fi
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echo -e "$dir"
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return $ret
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}
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# So another thing, good to know is, if i am allowed to write, so here we go ...
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ps1_write() {
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ret=$?
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if [ -w "$PWD" ]; then
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echo -e "$ON_COLOR"
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else
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echo -e "$OFF_COLOR"
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fi
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return $ret
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}
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# Do i own the current dir ??
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ps1_own() {
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ret=$?
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if [ -O "$PWD" ]; then
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echo -e "$ON_COLOR"
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else
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echo -e "$OFF_COLOR"
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fi
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return $ret
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}
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#DIR_P='$(ps1_pre)'
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# Now to the root or not to root question (slightly modificated from the original profile)
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# i've not yet came to it to set all colors to variable so feel free to adjust ;)
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if [ `/usr/bin/whoami` = 'root' ]; then
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# Do not set PS1 for dumb terminals
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if [ "$TERM" != 'dumb' ] && [ -n "$BASH" ]; then
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# like always no username for root for he is red
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PS1pre='\A '
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PS1U=''
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PS1H='\[\033[01;31m\]\h'
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# here we enlight if root does own it or not
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PS1P='\[$(ps1_own)\]\$ \[\033[0m\]'
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# patch up the returncode
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PS1ret='\[\033[01;31m\]$(ps1_return $?)'
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#and now for the pwd stuff
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PS1dir='\[$(ps1_pre_color)\]$(ps1_pre)\[$(ps1_dir_color)\]$(ps1_dir $(ps1_pre))'
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# I found no other solution than embracing the colors right here 'cause
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# echo -e "\[...\]" doesn't work for any reason.
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# Another point where help would be appreciated ;)
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# ok now stitch it together
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export PS1="${PS1pre}${PS1U}${PS1H} ${PS1dir} ${PS1ret}${PS1P}"
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fi
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else
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# Do not set PS1 for dumb terminals
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if [ "$TERM" != 'dumb' ] && [ -n "$BASH" ]; then
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PS1pre='\A '
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PS1U='\[\033[01;33m\]\u'
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# Not to forget to enlight the @ to show if we are owner
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PS1H='\[$(ps1_own)\]@\[\033[00;32m\]\h'
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# and enlight the $ if we are to write
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PS1P='\[$(ps1_write)\]\$ \[\033[0m\]'
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PS1ret='\[\033[01;31m\]$(ps1_return $?)'
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PS1dir='\[$(ps1_pre_color)\]$(ps1_pre)\[$(ps1_dir_color)\]$(ps1_dir $(ps1_pre))'
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export PS1="${PS1pre}${PS1U}${PS1H} ${PS1dir} ${PS1ret}${PS1P}"
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fi
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fi
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ROOT_COLOR="\033[01;34m" # blue
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HOME_COLOR="\033[01;33m" # yellow
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ROOT_SYM="\033[00;36m"
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HOME_SYM="\033[00;33m"
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SYM_COLOR="\033[00;36m" # cyan
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ON_COLOR="\033[01;37m" # white
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OFF_COLOR="\033[01;30m" # grey
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