Re: regular expressions and tar

From: Taylor, David (DTaylor@WBMI.COM)
Date: Mon Jun 02 2003 - 11:38:20 EDT


/XPmnt is the directory from which we issued the tar command

ls -d [1-d]* gave me exactly what I expected (directories that start with 1-d).

                -----Original Message-----
                From: Sunder Iyengar [mailto:Sunder.Iyengar@VERITAS.COM]
                Sent: Sunday, June 01, 2003 6:22 PM
                To: aix-l@Princeton.EDU
                Subject: Re: regular expressions and tar

                It is interesting to note that you have a /XPmnt as the first file/directory
                name in the list of files/dirs to be backed up. Why is that? What does a "ls
                -d [a-d]*" in the same directory reveal?

                Sunder.

                -----Original Message-----
                From: Taylor, David [mailto:DTaylor@WBMI.COM]
                Sent: Saturday, 31 May 2003 6:53 AM
                To: aix-l@Princeton.EDU
                Subject: regular expressions and tar

                Hi *

                I am attempting to tar all the subdirectories that begin with the letters
                a-d. The command I used was:

                tar -cvf /dev/rmt0 [a-d]*

                Looking at the process list, it shows that the shell expanded the arguments
                correctly:

                wbmpxdb01 / # ps -fu XPbackup
                     UID PID PPID C STIME TTY TIME CMD
                XPbackup 18312 64408 2 May 29 pts/2 33:45 tar -cvf /dev/rmt0 /XPmnt
                brwarne clparch data ddmarqu dmbichl dmwiesn
                XPbackup 64408 72142 0 May 28 pts/2 0:00 -ksh
                wbmpxdb01 / #

                However, as I watch the output to the screen, tar is going after every
                subdirectory.

                I have tested this using different ranges and it always grabs all of the
                subdirectories.

                Can anyone explain why it might be doing this?

                TIA

                David

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