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  1. #
  2. # ~/.bashrc
  3. #
  4.  
  5. [[ $- != *i* ]] && return
  6.  
  7. colors() {
  8.     local fgc bgc vals seq0
  9.  
  10.     printf "Color escapes are %s\n" '\e[${value};...;${value}m'
  11.     printf "Values 30..37 are \e[33mforeground colors\e[m\n"
  12.     printf "Values 40..47 are \e[43mbackground colors\e[m\n"
  13.     printf "Value  1 gives a  \e[1mbold-faced look\e[m\n\n"
  14.  
  15.     # foreground colors
  16.     for fgc in {30..37}; do
  17.         # background colors
  18.         for bgc in {40..47}; do
  19.             fgc=${fgc#37} # white
  20.             bgc=${bgc#40} # black
  21.  
  22.             vals="${fgc:+$fgc;}${bgc}"
  23.             vals=${vals%%;}
  24.  
  25.             seq0="${vals:+\e[${vals}m}"
  26.             printf "  %-9s" "${seq0:-(default)}"
  27.             printf " ${seq0}TEXT\e[m"
  28.             printf " \e[${vals:+${vals+$vals;}}1mBOLD\e[m"
  29.         done
  30.         echo; echo
  31.     done
  32. }
  33.  
  34. [ -r /usr/share/bash-completion/bash_completion ] && . /usr/share/bash-completion/bash_completion
  35.  
  36. # Change the window title of X terminals
  37. case ${TERM} in
  38.     xterm*|rxvt*|Eterm*|aterm|kterm|gnome*|interix|konsole*)
  39.         PROMPT_COMMAND='echo -ne "\033]0;${USER}@${HOSTNAME%%.*}:${PWD/#$HOME/\~}\007"'
  40.         ;;
  41.     screen*)
  42.         PROMPT_COMMAND='echo -ne "\033_${USER}@${HOSTNAME%%.*}:${PWD/#$HOME/\~}\033\\"'
  43.         ;;
  44. esac
  45.  
  46. use_color=true
  47.  
  48. # Set colorful PS1 only on colorful terminals.
  49. # dircolors --print-database uses its own built-in database
  50. # instead of using /etc/DIR_COLORS.  Try to use the external file
  51. # first to take advantage of user additions.  Use internal bash
  52. # globbing instead of external grep binary.
  53. safe_term=${TERM//[^[:alnum:]]/?}   # sanitize TERM
  54. match_lhs=""
  55. [[ -f ~/.dir_colors   ]] && match_lhs="${match_lhs}$(<~/.dir_colors)"
  56. [[ -f /etc/DIR_COLORS ]] && match_lhs="${match_lhs}$(</etc/DIR_COLORS)"
  57. [[ -z ${match_lhs}    ]] \
  58.     && type -P dircolors >/dev/null \
  59.     && match_lhs=$(dircolors --print-database)
  60. [[ $'\n'${match_lhs} == *$'\n'"TERM "${safe_term}* ]] && use_color=true
  61.  
  62. if ${use_color} ; then
  63.     # Enable colors for ls, etc.  Prefer ~/.dir_colors #64489
  64.     if type -P dircolors >/dev/null ; then
  65.         if [[ -f ~/.dir_colors ]] ; then
  66.             eval $(dircolors -b ~/.dir_colors)
  67.         elif [[ -f /etc/DIR_COLORS ]] ; then
  68.             eval $(dircolors -b /etc/DIR_COLORS)
  69.         fi
  70.     fi
  71.  
  72.     if [[ ${EUID} == 0 ]] ; then
  73.         PS1='\[\033[01;31m\][\h\[\033[01;36m\] \W\[\033[01;31m\]]\$\[\033[00m\] '
  74.     else
  75.         PS1='\[\033[01;32m\][\u@\h\[\033[01;37m\] \W\[\033[01;32m\]]\$\[\033[00m\] '
  76.     fi
  77.  
  78.     alias ls='ls --color=auto'
  79.     alias grep='grep --colour=auto'
  80.     alias egrep='egrep --colour=auto'
  81.     alias fgrep='fgrep --colour=auto'
  82. else
  83.     if [[ ${EUID} == 0 ]] ; then
  84.         # show root@ when we don't have colors
  85.         PS1='\u@\h \W \$ '
  86.     else
  87.         PS1='\u@\h \w \$ '
  88.     fi
  89. fi
  90.  
  91. unset use_color safe_term match_lhs sh
  92.  
  93. alias cp="cp -i"                          # confirm before overwriting something
  94. alias df='df -h'                          # human-readable sizes
  95. alias free='free -m'                      # show sizes in MB
  96. alias np='nano -w PKGBUILD'
  97. alias more=less
  98.  
  99. xhost +local:root > /dev/null 2>&1
  100.  
  101. complete -cf sudo
  102.  
  103. # Bash won't get SIGWINCH if another process is in the foreground.
  104. # Enable checkwinsize so that bash will check the terminal size when
  105. # it regains control.  #65623
  106. # http://cnswww.cns.cwru.edu/~chet/bash/FAQ (E11)
  107. shopt -s checkwinsize
  108.  
  109. shopt -s expand_aliases
  110.  
  111. # export QT_SELECT=4
  112.  
  113. # Enable history appending instead of overwriting.  #139609
  114. shopt -s histappend
  115.  
  116. #
  117. # # ex - archive extractor
  118. # # usage: ex <file>
  119. ex ()
  120. {
  121.   if [ -f $1 ] ; then
  122.     case $1 in
  123.       *.tar.bz2)   tar xjf $1   ;;
  124.       *.tar.gz)    tar xzf $1   ;;
  125.       *.bz2)       bunzip2 $1   ;;
  126.       *.rar)       unrar x $1   ;;
  127.       *.gz)        gunzip $1    ;;
  128.       *.tar)       tar xf $1    ;;
  129.       *.tbz2)      tar xjf $1   ;;
  130.       *.tgz)       tar xzf $1   ;;
  131.       *.zip)       unzip $1     ;;
  132.       *.Z)         uncompress $1;;
  133.       *.7z)        7z x $1      ;;
  134.       *)           echo "'$1' cannot be extracted via ex()" ;;
  135.     esac
  136.   else
  137.     echo "'$1' is not a valid file"
  138.   fi
  139. }
  140.  
  141. # aliases
  142. alias enva='conda activate'
  143. alias envd='conda deactivate'
  144. alias jn='jupyter notebook'
  145.  
  146. # miniconda source and setup
  147. [ -f /opt/miniconda3/etc/profile.d/conda.sh ] && source /opt/miniconda3/etc/profile.d/conda.sh
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