[vox-tech] Directory name changed out from underneath me.

[Ken Bloom]

On Mon, 2011-08-01 at 19:43 -0700, Nick Schmalenberger wrote:
> On Mon, Aug 01, 2011 at 08:59:58PM -0500, Chanoch (Ken) Bloom wrote:
> > I was just navigating around on one of the machines in my lab, when I
> > noticed something wierd: bash is getting the name of one of my
> > directories wrong when it tries to print it in the prompt.
> > 
> > [bloom at zuni ~]$ cd /
> > [bloom at zuni /]$ ls
> > bin/   etc/         lib/         media/        proc/     srv/  var/
> > boot/  home/        lib32/       mnt/          root/     sys/  vmlinuz@
> > data/  home-raid/   lib64@       nonexistent/  sbin/     tmp/
> > dev/   initrd.img@  lost+found/  opt/          selinux/  usr/
> > [bloom at zuni /]$ cd data
> > [bloom at zuni dtaa]$ pwd
> > /data
> > [bloom at zuni dtaa]$ echo ~+
> > /data
> > [bloom at zuni dtaa]$ mount
> > /dev/sda1 on / type ext3 (rw,errors=remount-ro)
> > tmpfs on /lib/init/rw type tmpfs (rw,nosuid,mode=0755)
> > proc on /proc type proc (rw,noexec,nosuid,nodev)
> > sysfs on /sys type sysfs (rw,noexec,nosuid,nodev)
> > udev on /dev type tmpfs (rw,mode=0755)
> > tmpfs on /dev/shm type tmpfs (rw,nosuid,nodev)
> > devpts on /dev/pts type devpts (rw,noexec,nosuid,gid=5,mode=620)
> > fusectl on /sys/fs/fuse/connections type fusectl (rw)
> > binfmt_misc on /proc/sys/fs/binfmt_misc type binfmt_misc (rw,noexec,nosuid,nodev)
> > nas.lingcog.iit.edu:/home2 on /home-raid type nfs (rw,nosuid,noatime,addr=216.47.152.22)
> > nas.lingcog.iit.edu:/data on /data type nfs (rw,nosuid,noatime,addr=216.47.152.22)
> > 
> > It's correctly spelled in the pwd command, and bash's ~+ expansion, and
> > also in the mount command (/data happens to be a mountpoint), so
> > basically it's correctly spelled everywhere except for the prompt. Any
> > ideas why?
> >
> What do echo $PWD and echo $PS1 say? $PS1 seems like the next
> place to look, and particularly the \w part.

[bloom at zuni dtaa]$ echo $PS1
[\u@\h \W]\$
[bloom at zuni dtaa]$ echo $PWD
/data