ITTips
Exit status:
http://tldp.org/LDP/abs/html/exit-status.html∞
0 is good and you can retrieve the last exit status using
echo $?
#!/bin/sh
# this is a comment
echo "The number of arguments is $#"
echo "The arguments are $*"
echo "The first is $1"
echo "My process number is $$"
echo "Enter a number from the keyboard: "
read number
echo "The number you entered was $number"
echo "The latest exit status is $?"
Debug mode:
set -x # to put the debug mde on
set +x# to put the debug mode off
ctrl+s will lock the term
ctrl+q will unlock the term
My .bash_profile for the prompt line
# set prompt: ``username@hostname time :/directory $ ''
PS1="[\u@\h \[\033[00;36m\]\t\[\033[00m\] :\[\033[01;37m\]\w\[\033[00m\]]"
case `id -u` in
0) PS1="${PS1}# ";;
*) PS1="${PS1}$ ";;
esac
My new bash profile
function exit_status {
EXIT_STATUS="$?"
BOLD="\[\033[1m\]"
RED="\[\033[1;31m\]"
GREEN="\[\e[32;1m\]"
BLUE="\[\e[34;1m\]"
OFF="\[\033[m\]"
# User specific aliases and functions
# set prompt: ``username@hostname time :/directory $ ''
PS1="[\u@\h \[\033[00;36m\]\t\[\033[00m\] :\[\033[01;37m\]\w\[\033[00m\]"
if [ "${EXIT_STATUS}" -eq 0 ]
then
PS1="${PS1} - ${GREEN}$EXIT_STATUS${OFF}]"
else
PS1="${PS1} - ${RED}$EXIT_STATUS${OFF}]"
fi
case `id -u` in
0) PS1="${PS1}# ";;
*) PS1="${PS1}$ ";;
esac
}
PROMPT_COMMAND=exit_status
Having a pretty bash:
http://tldp.org/HOWTO/Bash-Prompt-HOWTO/x329.html∞
Threads about tweaking your bash prompt:
http://stackoverflow.com/questions/103857/what-is-your-favorite-bash-prompt∞
Non executed bash:
[gael@unennennium 12:38:53 :01;37m~/Documents/Lonres/Documentation/PHP]$
Loop through the content of a folder and display the SVN URL:
for i in `ls -1` ; do echo -e $i `svn info $i |grep URL |gawk '{print $2}'`; done;