example16.18

UNIX[1].shell范例精解(第4版)_code

# cat /etc/profile
# System-wide environment and startup programs, for login setup
# Functions and aliases go in /etc/bashrc

pathmunge () {
	if ! echo $PATH | /bin/egrep -q "(^|:)$1($|:)" ; then
		if [ "$2" = "after" ] ; then
		   PATH=$PATH:$1
		else
		   PATH=$1:$PATH
		fi
	fi
}
# Path manipulation
if [ `id -u` = 0 ]; then
	pathmunge /sbin
	pathmunge /usr/sbin
	pathmunge /usr/local/sbin
fi
pathmunge /usr/X11R6/bin after
unset pathmunge
# No core files by default
ulimit -S -c 0 > /dev/null 2>&1

USER="`id -un`"
LOGNAME=$USER
MAIL="/var/spool/mail/$USER"
HOSTNAME=`/bin/hostname`
HISTSIZE=1000

if [ -z "$INPUTRC" -a ! -f "$HOME/.inputrc" ]; then
	INPUTRC=/etc/inputrc
fi
export PATH USER LOGNAME MAIL HOSTNAME HISTSIZE INPUTRC
for i in /etc/profile.d/*.sh ; do
	if [ -r "$i" ]; then
		. $i
	fi
done
unset i