Shell

ulimit question
I have a file that I am trying to uncompress, with plenty of room on my file system (see below for both) ls -tl *.Z -rwxr-xr-x 1 oracle dba 528480379 Jul 24 15:31 jutildm0.txt.Z df -g . Filesystem GB blocks Free %Used Iused %Iused Mounted on /dev/oraclelv 16.91 11.11 35% 16735 ... 24 Jul 2010 16:40

Adding prefix and suffix
Hi, How to add a prefix and suffix to each line of a text file using unix shell scripting? Input file : Input.txt with contents 1 2 3 Expected output: '1', '2', '3', Regards, DI ... 9 Aug 2010 17:54

GNU Parallel 20100722 released
GNU Parallel 20100722 has been released. It is available for download at: http://ftp.gnu.org/gnu/parallel/ New in this release: * Arguments can now be given on the command line. Example: parallel bzip2 ::: *.txt * xapply like functionality. Example: parallel diff {1} {2} :::: filelist1 filelist2 para... 22 Jul 2010 15:48

kill parent command in piped list
Gang, I executing a piped command in the background from a bash script. I would like to obtain that PID for later termination if desired by the user. So I tried using the $! variable in bash, but it gives the PID of the piped command, not the parent command. For example... tar ... | sed ... > test.log... 23 Jul 2010 10:16

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Header from different file
Hi All, I have a file with 1000 rows and 68 columns. The header for 68 columns is in the 2nd file (2nd column in the file). There is no key field to match 2 files. I know that the order of rows are matched in 2 files, so, it is transposing 2nd column of 2nd file and paste it in the first row. Shamefully, I did ... 23 Jul 2010 11:23

Need some help
Hi. I'm not sure of some 'egrep' functionality. I have: string1=PATH="${IPSEC_SBINDIR}":/sbin:/usr/sbin:/usr/local/ bin:/bin:/usr/bin (basically PATH statements from /etc/rc.d/init.d directory). The following is my code so far and what I am trying to do is to find either the current working directory at the b... 27 Jul 2010 00:50

Are quotes necessary around 'if [ -z $foobar ]' ?
Is this syntax OK if [ -z $foobar ] ; then or should it be: if [ -z "$foobar" ] ; then Obviously the latter will not fail, but someone has said the former can generate a syntax error. I'm not sure if he is right or not. Dave ... 22 Jul 2010 04:52

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Fixing stdin inside a redirected loop...
In this group, it is an FGA that one should so: commandThatGeneratesTheFilenames | while read x ... instead of the more common: for i in ... because of the problems of filenames that spaces and other weird characters. However, one downside to the "while" method is that inside the loop, stdin is ... 26 Jul 2010 13:50