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cat /etc/*release Red Hat Enterprise Linux Server release 5.8 (Tikanga) cat /etc/*release Red Hat Enterprise Linux ES release 4 (Nahant Update 9) I want to extract just 5.8 or 4 I have used cat /etc/*release | sed 's/\(.*\)\([0-9]\{1\}.?[0-9]\?\)\((.*)\)/\2/' but it returns the entire...

This question came up in another thread so I wanted to see if it could be done purely with [b]sed[\b] instead of awk or shell. The output should be I've come close but am missing how to evaluate the first column of the next line with the previous sed '/^$/!{ h s/\(.*\) \(.*\)\n/\1/ N...

It has been a long time since I've used Veritas DMP. There are two paths for each LUN, so if there is a switch migration will DMP automatically detect the new paths (AIX would need a cfgmgr)? If there are dead paths, how are they removed (AIX either rmpath or powermt check)? Would a devfsadm...

This can be modified to suit your needs if you use SUMA. Hopefully someone may find it useful. #!/usr/bin/ksh93 Runfile=/tmp/suma.run CMD="/usr/suma/bin/suma -x " ECHO=/usr/bin/echo CHMOD="/usr/bin/chmod 700" set -A FS $(df -m | grep simages | grep -v "\-00" | awk '{print $7}') set -A RQNAME...

I know this is awk, however, since it is closely related to sed... How do you comment multiple lines at once? For example: # cat text line 1 line 2 line 3 line 4 line 5 line 6 line 7 And you want to comment lines 2, 4, and 7. # sed -i'2 s/^line/#/' text will comment line two or # sed -i...

/my/filesystem host1(sync,ro,fsid=1) host2.domain.com(sync,ro,fsid=1) 127.0.0.10(sync,ro,fsid=1) /other 192.168.1.1(sync,rw,fsid=2) host1(sync,rw,fsid=2) hosta(sync,rw,fsid=2) /junk 192.168.1.2(sync,ro,fsid=3) hostc.domain.com(sync,rw,fsid=3) I have a list containing hosts and IP's of servers...

I'm using File::stat and when I print the device number of the filesystem, it returns: 64776 although the actual device number is: 253, 8 I'm returning it with: $s = stat($filename); $s->dev; How can I get the actual device number output of "253, 8" instead of 64776?

File1: boston:1:x: chicago:1:x: baltimore:1:x: buffalo:1:x: denver:1:x: reno:1:x: dallas:1:x: austin:1:x: File2: chicago:1:x: baltimore:1:x: austin:1:x: dallas:1:x: buffalo:1:x: boston:1:x: denver:1:x: reno:1:x: File2 should be sorted identically to File1. I know how to sort a single file...

Reading mail, I cannot get a regular expression to parse: >U 1 root Fri May 28 10:40 14/563 U 2 root Mon Oct 18 13:01 11/311 U 3 root Mon Oct 18 13:05 11/311 U 4 root Mon Oct 18 13:05 11/311 This doesn't work: sed -n 's/^[>A-Z][...

file 1: /export/home/path1 host1 (variables) host2 (variables) host3 (variables) /export/home/path2 host1 (variables) host5 (variables) /export/home/path3 host2 (variables) file 2: /export/home/path1 host2 (variables) host3 (variables) 192.168.1.1 (variables)...

I have different operating systems and HP-UX places Perl in /usr/contrib/bin, so how do I set the first line so it knows where to find the interpreter? (Creating a link isn't possible.) For the other OS's I have #!/usr/bin/perl but this err's on HP-UX. Placing #!/usr/contrib/bin/perl...

Have a file with multiple fields with time in the format: 15:02 that I want in the format 15.02 No matter what I use with sed I'm not getting the desired change. sed 's/\(\d{2}):\(\d{2})/\(\d{2})\.\(\d{2})/g' file > file1 sed 's/[0-9]:[0-9]/[0-9]\.[0-9]/g' file > file1 Neither of the...

Have a text file that contains: xhost1 line with text second line with text third line with text ======================= zhost2 line with text second line with text third line with text fourth line with text fifth line with text ====================== zhost3 line with text second line with text...

Since I'm using OpenBSD which is chroot'd to /var/www I set my modules to use /var/www/usr # perl Makefile.PL PREFIX=/var/www/usr However, when running `make` on a module with dependencies, it isn't finding them because it is searching /usr for the dependency but the modules were installed...

/etc/exports: # # # /dir/path hostname1.my.domain(rw,sync,no_root_squash,fsid=0) \ hostname2.my.domain(rw,sync,no_root_squash,fsid=0) \ hostname3.my.domain(rw,sync,no_root_squash,fsid=0) \ hostname4.my.domain(rw,sync,no_root_squash,fsid=0) /other/path...

Below is my code, but I want it to add rows each time if necessary. So when I press submit it would bring up the same form again but display the previously added data to the form. When done, then it would send all 6 (or however many) rows of data. use CGI; $q = new CGI; print $q->header; print...

I'm using File::Find::dir to find a particular file that may exist on a server, however, there are NFS mounts that I need to exclude. This is the pertinent section of my code. find(sub { if ($_ =~ /myfile$/) { push(@files, [$File::Find::dir ...

open VXDISK,"vxdisk -o alldgs list |" or die "unable to run vxdisk\n"; Using the above which works for the remainder of what I'm doing, however I now need to make sure vxdisk doesn't read some disk groups, which would work if I added vxdisk -o alldgs list| grep -v rootdg | grep -v thisdg |...

Need to run something remotely and am using Expect which works. However, there are times when I'm prompted differently and I'm unsure how to get around it. For example: at times prompted: (yes/no)? Password: other times prompted: Password: To account for this I've used: expect {...

I need to automatically enter input without having to type yes or a password. Trying to use Open2 but not getting it to work. #!/usr/bin/perl use IPC::Open2; $pid = open2(*READFROM, *WRITETO, "/tmp/Install.sh arg1"); print WRITETO "here's your input\n"; while ($output = <READFROM>){...