bashrc configuration

# .bashrc


# User specific aliases and functions

# Source global definitions
[ -f /etc/bashrc ] && . /etc/bashrc

#######################################
# user specific environment
#######################################

# for mc, cvs, svn, ...
export EDITOR=vim

# vim and gnome-terminal have support for 256 colours in fedora 8 at least
# Note debian/ubuntu users should install the ncurses-term package to support this
export TERM=xterm-256color

# setup default search path for python modules.
# Note we add this to the 'path' in .vimrc so the gf
# command will open any .py or .h files etc. in this dir
export PYTHONPATH=~/pb.o/libs/

#######################################
# change app defaults
#######################################

# highlight $HOST:$PWD prompt
PS1='\[\e[1m\]\h:\w\$\[\e[0m\] '

# Don't store duplicate adjacent items in the history
HISTCONTROL=ignoreboth

# adjust settings according to current terminal window width
# which may have changed while the last command was running
# (which is a common occurance for vim/less/etc.)
# Note this is already set in /etc/bashrc on Fedora 8 at least.
shopt -s checkwinsize

# GREP_COLOR=bright yellow on black bg.
# use GREP_COLOR=7 to highlight whitespace on black terminals
# LANG=C for speed. See also: http://www.pixelbeat.org/scripts/findrepo
alias grep='GREP_COLOR="1;33;40" LANG=C grep --color=auto'

alias ls="BLOCK_SIZE=\'1 ls --color=auto" #enable thousands grouping and colour
alias minicom='minicom -c on' #enable colour
alias cal='cal -3' #show 3 months by default
alias units='units -t' #terse mode
alias diff='LC_ALL=C TZ=GMT0 diff -Naur' #normalise diffs for distribution
alias lynx='lynx -force_html -width=$COLUMNS' #best settings for viewing HTML
alias links='links -force-html' #need to enable colour in config menu manually
alias xterm='xterm -fb "" -bg black -fg gray -fa "Sans Mono" -fs 10 +sb -sl 3000 -g 80x50+1+1'
alias sudo='sudo env PATH=$PATH' #work around sudo built --with-secure-path (ubuntu)
alias vim='vim -X' #don't try to contact xserver (which can hang on network issues)
alias gdb='gdb -tui' #enable the text window interface if possible

# I hate noise
set bell-style visible

# Tell less not to beep and also display colours
export LESS="-QR"

# Let me have core dumps
ulimit -c unlimited

#######################################
# shortcut aliases
#######################################

#just list directories
alias lld='ls -lUd */'

#what most people want from od (hexdump)
alias hd='od -Ax -tx1z -v'

# canonicalize path (including resolving symlinks)
alias realpath='readlink -f'

# make and change to a directory
md () { mkdir -p "$1" && cd "$1"; }

# quick dir listing with latest files/dirs at the bottom,
# prettify symlink arrows.
# using eval to precompute the tput sequences.
eval "
l() {
ls -lrt --color=always \"\$@\"

sed 's/ -> / $(tput bold)▪▶$(tput sgr0) /'
}"