Advanced Bash−Scripting Guide

Advanced Bash−Scripting Guide
}
XSERVER=$(who am i | awk '{print $NF}' | tr −d ')''(' )
XSERVER=${XSERVER%%:*}
;;
aterm | rxvt)
# find some code that works here.....
;;
esac
if [ −z ${DISPLAY:=""} ]; then
get_xserver
if [[ −z ${XSERVER} || ${XSERVER} == $(hostname) || ${XSERVER} == "unix" ]]; then
DISPLAY=":0.0"
# Display on local host
else
DISPLAY=${XSERVER}:0.0 # Display on remote host
fi
fi
export DISPLAY
#−−−−−−−−−−−−−−−
# Some settings
#−−−−−−−−−−−−−−−
ulimit −S −c 0
set −o notify
set −o noclobber
set −o ignoreeof
set −o nounset
#set −o xtrace
# Don't want any coredumps
# useful for debuging
# Enable options:
shopt −s cdspell
shopt −s cdable_vars
shopt −s checkhash
shopt −s checkwinsize
shopt −s mailwarn
shopt −s sourcepath
shopt −s no_empty_cmd_completion # bash>=2.04 only
shopt −s cmdhist
shopt −s histappend histreedit histverify
shopt −s extglob # necessary for programmable completion
# Disable options:
shopt −u mailwarn
unset MAILCHECK
# I don't want my shell to warn me of incoming mail
export TIMEFORMAT=$'\nreal %3R\tuser %3U\tsys %3S\tpcpu %P\n'
export HISTIGNORE="&:bg:fg:ll:h"
export HOSTFILE=$HOME/.hosts # Put a list of remote hosts in ~/.hosts
#−−−−−−−−−−−−−−−−−−−−−−−
# Greeting, motd etc...
#−−−−−−−−−−−−−−−−−−−−−−−
# Define some colors first:
red='\e[0;31m'
RED='\e[1;31m'
blue='\e[0;34m'
Appendix G. A Sample .bashrc File 419