To use this just add the lines from the .bashrc
file uploaded here to the end of your .bashrc
file.
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July 23, 2023 15:04
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Custom Bash Prompt
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################################################################################ | |
## FUNCTIONS FOR PROMPT ## | |
################################################################################ | |
bash_prompt_command() { | |
# How many characters of the $PWD should be kept | |
local pwdmaxlen=25 | |
# Indicate that there has been dir truncation | |
local trunc_symbol=".." | |
# Store local dir | |
local dir=${PWD##*/} | |
# Which length to use | |
pwdmaxlen=$(( ( pwdmaxlen < ${#dir} ) ? ${#dir} : pwdmaxlen )) | |
NEW_PWD=${PWD/#$HOME/\~} | |
local pwdoffset=$(( ${#NEW_PWD} - pwdmaxlen )) | |
# Generate name | |
if [ ${pwdoffset} -gt "0" ] | |
then | |
NEW_PWD=${NEW_PWD:$pwdoffset:$pwdmaxlen} | |
NEW_PWD=${trunc_symbol}/${NEW_PWD#*/} | |
fi | |
} | |
format_font() { | |
## FIRST ARGUMENT TO RETURN FORMAT STRING | |
local output=$1 | |
case $# in | |
2) | |
eval $output="'\[\033[0;${2}m\]'" | |
;; | |
3) | |
eval $output="'\[\033[0;${2};${3}m\]'" | |
;; | |
4) | |
eval $output="'\[\033[0;${2};${3};${4}m\]'" | |
;; | |
*) | |
eval $output="'\[\033[0m\]'" | |
;; | |
esac | |
} | |
bash_prompt() { | |
############################################################################ | |
## COLOR CODES ## | |
## These can be used in the configuration below ## | |
############################################################################ | |
## FONT EFFECT | |
local NONE='0' | |
local BOLD='1' | |
local DIM='2' | |
local UNDERLINE='4' | |
local BLINK='5' | |
local INVERT='7' | |
local HIDDEN='8' | |
## COLORS | |
local DEFAULT='9' | |
local BLACK='0' | |
local RED='1' | |
local GREEN='2' | |
local YELLOW='3' | |
local BLUE='4' | |
local MAGENTA='5' | |
local CYAN='6' | |
local L_GRAY='7' | |
local D_GRAY='60' | |
local L_RED='61' | |
local L_GREEN='62' | |
local L_YELLOW='63' | |
local L_BLUE='64' | |
local L_MAGENTA='65' | |
local L_CYAN='66' | |
local WHITE='67' | |
## TYPE | |
local RESET='0' | |
local EFFECT='0' | |
local COLOR='30' | |
local BG='40' | |
## 256 COLOR CODES | |
local NO_FORMAT="\[\033[0m\]" | |
local ORANGE_BOLD="\[\033[1;38;5;208m\]" | |
local TOXIC_GREEN_BOLD="\[\033[1;38;5;118m\]" | |
local RED_BOLD="\[\033[1;38;5;1m\]" | |
local CYAN_BOLD="\[\033[1;38;5;87m\]" | |
local BLACK_BOLD="\[\033[1;38;5;0m\]" | |
local WHITE_BOLD="\[\033[1;38;5;15m\]" | |
local GRAY_BOLD="\[\033[1;90m\]" | |
local BLUE_BOLD="\[\033[1;38;5;74m\]" | |
local FONT_COLOR_1=$WHITE | |
local BACKGROUND_1=$BLUE | |
local TEXTEFFECT_1=$BOLD | |
local FONT_COLOR_2=$WHITE | |
local BACKGROUND_2=$L_BLUE | |
local TEXTEFFECT_2=$BOLD | |
local FONT_COLOR_3=$D_GRAY | |
local BACKGROUND_3=$WHITE | |
local TEXTEFFECT_3=$BOLD | |
local PROMT_FORMAT=$BLUE_BOLD | |
## CONFIGURATION: BLUE-BLUE | |
if [ "$HOSTNAME" = "andromeda" ]; then | |
FONT_COLOR_1=$WHITE; BACKGROUND_1=$BLUE; TEXTEFFECT_1=$BOLD | |
FONT_COLOR_2=$WHITE; BACKGROUND_2=$L_BLUE; TEXTEFFECT_2=$BOLD | |
FONT_COLOR_3=$D_GRAY; BACKGROUND_3=$WHITE; TEXTEFFECT_3=$BOLD | |
PROMT_FORMAT=$CYAN_BOLD | |
fi | |
## CONFIGURATION: CYAN-BLUE | |
if [ "$HOSTNAME" = "alpaca" ]; then | |
FONT_COLOR_1=$BLACK; BACKGROUND_1=$L_CYAN; TEXTEFFECT_1=$BOLD | |
FONT_COLOR_2=$WHITE; BACKGROUND_2=$L_BLUE; TEXTEFFECT_2=$BOLD | |
FONT_COLOR_3=$WHITE; BACKGROUND_3=$BLUE; TEXTEFFECT_3=$BOLD | |
PROMT_FORMAT=$CYAN_BOLD | |
fi | |
## CONFIGURATION: GRAY-CYAN | |
if [ "$HOSTNAME" = "anteater" ]; then | |
FONT_COLOR_1=$WHITE; BACKGROUND_1=$BLACK; TEXTEFFECT_1=$BOLD | |
FONT_COLOR_2=$WHITE; BACKGROUND_2=$D_GRAY; TEXTEFFECT_2=$BOLD | |
FONT_COLOR_3=$BLACK; BACKGROUND_3=$L_CYAN; TEXTEFFECT_3=$BOLD | |
PROMT_FORMAT=$CYAN_BOLD | |
fi | |
## CONFIGURATION: BLACK-RED | |
if [ "$HOSTNAME" = "demeter.gupton.xyz" ]; then | |
FONT_COLOR_1=$WHITE; BACKGROUND_1=$BLACK; TEXTEFFECT_1=$BOLD | |
FONT_COLOR_2=$WHITE; BACKGROUND_2=$D_GRAY; TEXTEFFECT_2=$BOLD | |
FONT_COLOR_3=$WHITE; BACKGROUND_3=$RED; TEXTEFFECT_3=$BOLD | |
PROMT_FORMAT=$RED_BOLD | |
fi | |
## CONFIGURATION: GRAY-SCALE | |
if [ "$HOSTNAME" = "juno.gupton.xyz" ]; then | |
FONT_COLOR_1=$WHITE; BACKGROUND_1=$BLACK; TEXTEFFECT_1=$BOLD | |
FONT_COLOR_2=$WHITE; BACKGROUND_2=$D_GRAY; TEXTEFFECT_2=$BOLD | |
FONT_COLOR_3=$BLACK; BACKGROUND_3=$L_GRAY; TEXTEFFECT_3=$BOLD | |
PROMT_FORMAT=$GRAY_BOLD | |
fi | |
## CONVERT CODES: add offset | |
FC1=$(($FONT_COLOR_1+$COLOR)) | |
BG1=$(($BACKGROUND_1+$BG)) | |
FE1=$(($TEXTEFFECT_1+$EFFECT)) | |
FC2=$(($FONT_COLOR_2+$COLOR)) | |
BG2=$(($BACKGROUND_2+$BG)) | |
FE2=$(($TEXTEFFECT_2+$EFFECT)) | |
FC3=$(($FONT_COLOR_3+$COLOR)) | |
BG3=$(($BACKGROUND_3+$BG)) | |
FE3=$(($TEXTEFFECT_3+$EFFECT)) | |
FC4=$(($FONT_COLOR_4+$COLOR)) | |
BG4=$(($BACKGROUND_4+$BG)) | |
FE4=$(($TEXTEFFECT_4+$EFFECT)) | |
## CALL FORMATING HELPER FUNCTION: effect + font color + BG color | |
local TEXT_FORMAT_1 | |
local TEXT_FORMAT_2 | |
local TEXT_FORMAT_3 | |
local TEXT_FORMAT_4 | |
format_font TEXT_FORMAT_1 $FE1 $FC1 $BG1 | |
format_font TEXT_FORMAT_2 $FE2 $FC2 $BG2 | |
format_font TEXT_FORMAT_3 $FC3 $FE3 $BG3 | |
format_font TEXT_FORMAT_4 $FC4 $FE4 $BG4 | |
# GENERATE PROMT SECTIONS | |
local PROMT_USER=$"$TEXT_FORMAT_1 \u " | |
local PROMT_HOST=$"$TEXT_FORMAT_2 \h " | |
local PROMT_PWD=$"$TEXT_FORMAT_3 \${NEW_PWD} " | |
local PROMT_INPUT=$"$PROMT_FORMAT " | |
## CONVERT CODES | |
TSFC1=$(($BACKGROUND_1+$COLOR)) | |
TSBG1=$(($BACKGROUND_2+$BG)) | |
TSFC2=$(($BACKGROUND_2+$COLOR)) | |
TSBG2=$(($BACKGROUND_3+$BG)) | |
TSFC3=$(($BACKGROUND_3+$COLOR)) | |
TSBG3=$(($DEFAULT+$BG)) | |
## CALL FORMATING HELPER FUNCTION: effect + font color + BG color | |
local SEPARATOR_FORMAT_1 | |
local SEPARATOR_FORMAT_2 | |
local SEPARATOR_FORMAT_3 | |
format_font SEPARATOR_FORMAT_1 $TSFC1 $TSBG1 | |
format_font SEPARATOR_FORMAT_2 $TSFC2 $TSBG2 | |
format_font SEPARATOR_FORMAT_3 $TSFC3 $TSBG3 | |
# GENERATE SEPARATORS WITH FANCY TRIANGLE | |
local TRIANGLE=$'\uE0B0' | |
local SEPARATOR_1=$SEPARATOR_FORMAT_1$TRIANGLE | |
local SEPARATOR_2=$SEPARATOR_FORMAT_2$TRIANGLE | |
local SEPARATOR_3=$SEPARATOR_FORMAT_3$TRIANGLE | |
case $TERM in | |
xterm*|rxvt*) | |
local TITLEBAR='\[\033]0;\u:${NEW_PWD}\007\]' | |
;; | |
*) | |
local TITLEBAR="" | |
;; | |
esac | |
PS1="$TITLEBAR\n${PROMT_USER}${SEPARATOR_1}${PROMT_HOST}${SEPARATOR_2}${PROMT_PWD}${SEPARATOR_3}${PROMT_INPUT}" | |
## For terminal line coloring, leaving the rest standard | |
none="$(tput sgr0)" | |
trap 'echo -ne "${none}"' DEBUG | |
} | |
PROMPT_COMMAND=bash_prompt_command | |
bash_prompt | |
unset bash_prompt | |
################################################################################ | |
## END FUNCTIONS FOR PROMPT ## | |
################################################################################ |
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