code.delx.au - dotfiles/blob - .bash/interactive

   1 #! bash
   2
   3 # Sets up the shell for interactive commands
   4
   5 # Use the terminfo backspace character as the erase character. This is not
   6 # enabled by default because terminfo is often broken.
   7 #stty erase $(tput kbs)
   8
   9 # Basic prompt only: user@host:directory$
  10 PS1='\u@\h:\w\n\$ '
  11
  12 # Check for unsupported TERM variable
  13 if ! tput init &> /dev/null; then
  14         echo "Warning! TERM=$TERM unsupported, using TERM=xterm"
  15         export TERM=xterm
  16 fi
  17
  18 # The all important colours!
  19 [ "${HOME}/.bash/colors" ] && source "${HOME}/.bash/colors"
  20
  21 # xterm titlebar displays 'hostname:workingdir'
  22 if tput hs || tput tsl &> /dev/null; then
  23         PROMPT_COMMAND='tput tsl; echo -n "$(hostname| cut -d. -f1):${PWD/$HOME/~}"; tput fsl;'
  24 fi
  25
  26 # screen window displays current command
  27 case "${TERM}" in
  28 screen*)
  29         PROMPT_COMMAND="$PROMPT_COMMAND echo -ne '\033k\033\\'"
  30         ;;
  31 esac
  32
  33 # Useful aliases
  34 alias ls='ls --color=auto'
  35 alias ll='ls -hlF'
  36 alias la='ls -ha'
  37 alias  l='ls -halF'
  38 alias f='find . -iname'
  39 alias webshare='python -c "import SimpleHTTPServer; SimpleHTTPServer.test()"'
  40 alias rm='rm -i'
  41 alias less='less -R'
  42 alias grep='grep --color=auto --exclude "*.svn-base"'
  43 alias scp='scp -o ControlPath=none'
  44 alias bc='bc -ql'
  45 alias vv='vncviewer -encodings "tight hextile copyrect"'
  46 alias watch='watch -n1'
  47 alias sudo='sudo ' # ability to use aliases with sudo
  48 alias sudosu='sudo su -l -s /bin/bash'
  49
  50
  51 # Colorful man pages
  52 function man {
  53     env \
  54                 LESS_TERMCAP_md=$'\E[01;38;5;74m' \
  55                 LESS_TERMCAP_me=$'\E[0m' \
  56                 LESS_TERMCAP_us=$'\E[04;38;5;146m' \
  57                 LESS_TERMCAP_ue=$'\E[0m' \
  58     man "$@"
  59 }
  60
  61 # Sets colours to be appropriate for a light on dark terminal
  62 function darkterm {
  63         DARK=1
  64         source "${HOME}/.bash/colors"
  65 }
  66
  67 # Sets the colours to be appropriate for a dark on light terminal
  68 function lightterm {
  69         DARK=0
  70         source "${HOME}/.bash/colors"
  71 }
  72
  73 # Usage: mcd somedir
  74 # Creates the directory if it doesn't exist, and changes into it
  75 function mcd {
  76         mkdir -p "${1}" &&
  77         cd "${1}"
  78 }
  79
  80 # Usage: vimf somefile
  81 # Does a recursive search of the current directory for somefile, then edits it
  82 function vimf {
  83         find . -name "${1}" -exec vim '{}' +
  84 }
  85
  86 # Sets the nice and ionice priorities for the current shell to the lowest values
  87 function slowshell {
  88         ionice -c 3 -p $$
  89         renice -n 19 -p $$
  90 }
  91
  92
  93 # Bash should check the terminal size after every command terminates
  94 shopt -s checkwinsize
  95
  96 # Don't attempt to tab-complete an empty line
  97 shopt -s no_empty_cmd_completion
  98
  99 # Local customisations
 100 [ -r "${HOME}/.bash/interactive_local" ] && source "${HOME}/.bash/interactive_local"
 101
 102 # Load bash completion if available
 103 [ -r "/etc/bash_completion" ] && source "/etc/bash_completion"
 104