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 alias _psresources='ps -weo pid,user:16,%cpu,%mem,stat,start_time,bsdtime,args'
  50 alias pscpu='_psresources --sort -%cpu|less -S'
  51 alias psmem='_psresources --sort -%mem|less -S'
  52 alias pstree='ps --forest -weo pid,user:16,args --sort start_time|less -S'
  53 alias pstime='ps -weo pid,user:16,lstart,args --sort start_time|less -S'
  54
  55
  56 # Colorful man pages
  57 function man {
  58     env \
  59                 LESS_TERMCAP_md=$'\E[01;38;5;74m' \
  60                 LESS_TERMCAP_me=$'\E[0m' \
  61                 LESS_TERMCAP_us=$'\E[04;38;5;146m' \
  62                 LESS_TERMCAP_ue=$'\E[0m' \
  63     man "$@"
  64 }
  65
  66 # Sets colours to be appropriate for a light on dark terminal
  67 function darkterm {
  68         DARK=1
  69         source "${HOME}/.bash/colors"
  70 }
  71
  72 # Sets the colours to be appropriate for a dark on light terminal
  73 function lightterm {
  74         DARK=0
  75         source "${HOME}/.bash/colors"
  76 }
  77
  78 # Usage: mcd somedir
  79 # Creates the directory if it doesn't exist, and changes into it
  80 function mcd {
  81         mkdir -p "${1}" &&
  82         cd "${1}"
  83 }
  84
  85 # Usage: vimf somefile
  86 # Does a recursive search of the current directory for somefile, then edits it
  87 function vimf {
  88         find . -name "${1}" -exec vim '{}' +
  89 }
  90
  91 # Sets the nice and ionice priorities for the current shell to the lowest values
  92 function slowshell {
  93         ionice -c 3 -p $$
  94         renice -n 19 -p $$
  95 }
  96
  97
  98 # Bash should check the terminal size after every command terminates
  99 shopt -s checkwinsize
 100
 101 # Don't attempt to tab-complete an empty line
 102 shopt -s no_empty_cmd_completion
 103
 104 # Local customisations
 105 [ -r "${HOME}/.bash/interactive_local" ] && source "${HOME}/.bash/interactive_local"
 106
 107 # Load bash completion if available
 108 [ -r "/etc/bash_completion" ] && source "/etc/bash_completion"
 109