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 ld='ls -ld'
  39 alias f='find . -iname'
  40 alias webshare='python -c "import SimpleHTTPServer; SimpleHTTPServer.test()"'
  41 alias rm='rm -i'
  42 alias less='less -R'
  43 alias grep='grep --color=auto --exclude "*.svn-base"'
  44 alias scp='scp -o ControlPath=none'
  45 alias bc='bc -ql'
  46 alias vv='vncviewer -encodings "tight hextile copyrect"'
  47 alias watch='watch -n1'
  48 alias sudo='sudo ' # ability to use aliases with sudo
  49 alias sudosu='sudo su -l -s /bin/bash'
  50
  51
  52 # Colorful man pages
  53 function man {
  54     env \
  55                 LESS_TERMCAP_md=$'\E[01;38;5;74m' \
  56                 LESS_TERMCAP_me=$'\E[0m' \
  57                 LESS_TERMCAP_us=$'\E[04;38;5;146m' \
  58                 LESS_TERMCAP_ue=$'\E[0m' \
  59     man "$@"
  60 }
  61
  62 # Sets colours to be appropriate for a light on dark terminal
  63 function darkterm {
  64         DARK=1
  65         source "${HOME}/.bash/colors"
  66 }
  67
  68 # Sets the colours to be appropriate for a dark on light terminal
  69 function lightterm {
  70         DARK=0
  71         source "${HOME}/.bash/colors"
  72 }
  73
  74 # Usage: mcd somedir
  75 # Creates the directory if it doesn't exist, and changes into it
  76 function mcd {
  77         mkdir -p "${1}" &&
  78         cd "${1}"
  79 }
  80
  81 # Usage: vimf somefile
  82 # Does a recursive search of the current directory for somefile, then edits it
  83 function vimf {
  84         find . -name "${1}" -exec vim '{}' +
  85 }
  86
  87 # Sets the nice and ionice priorities for the current shell to the lowest values
  88 function slowshell {
  89         ionice -c 3 -p $$
  90         renice -n 19 -p $$
  91 }
  92
  93
  94 # Bash should check the terminal size after every command terminates
  95 shopt -s checkwinsize
  96
  97 # Don't attempt to tab-complete an empty line
  98 shopt -s no_empty_cmd_completion
  99
 100 # Local customisations
 101 [ -r "${HOME}/.bash/interactive_local" ] && source "${HOME}/.bash/interactive_local"
 102
 103 # Load bash completion if available
 104 [ -r "/etc/bash_completion" ] && source "/etc/bash_completion"
 105