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Full Discussion: sed: command garbled - when executed with $variables
Top Forums Shell Programming and Scripting sed: command garbled - when executed with $variables Post 302315118 by Armaan_S on Monday 11th of May 2009 02:06:58 PM
Old 05-11-2009
echo 'ABC_D_EQ_XXXXX_YYYY_PRD_UX 05/08/2009 05:47 05/08/2009 05:50 IN 13412850/0' | sed -e "s|$parent_job_rep|$child_job_rep|g"

This is working , but when I add grep... instaed of echo , sed does not substitute the string with child_job_rep.See the result below. Any clues ?

$ grep $parent job_tree.lst | tail -1|sed -e "s|$parent_job_rep|$child_job_rep|g"
ABC_D_EQ_XXXXX_YYYY_PRD_UX 05/08/2009 05:47 05/08/2009 05:50 IN 13412850/0
 

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LEARN ABOUT DEBIAN

update-grub

update-grub(8)						      System Manager's Manual						    update-grub(8)

NAME

       update-grub - program to generate GRUB's menu.lst file

SYNOPSIS

       update-grub

DESCRIPTION

       update-grub  is a program used to generate the menu.lst file used by the grub bootloader.  It works by looking in /boot for all files which
       start with "vmlinuz-". They will be treated as kernels, and grub menu entries will be created for each. It will	also  create  the  initial
       menu.lst if none exists, after prompting the user.  It will also add initrd lines for ramdisk images found with the same version as kernels
       found. e.g. /boot/vmlinuz-2.4.5 and /boot/initrd-2.4.5 will cause a line of "initrd=/boot/initrd-2.4.5 or similar to be added for the  ker-
       nel entry in the menu.lst.

       After  update-grub  has been run for the first time, the user is required to edit the generated menu.lst. The user must set the two options
       update-grub uses. Then re-run the update-grub script to update the menu.lst file using the default's that have been set.

       These are the options passed to the linux kernel:
       # kopt=root=/dev/hda1 ro
       Everything after "kopt=" is passed to the kernel as parameters. See bootparam(7) for more information.

       This is the grub device from which grub loads the kernel:
       # groot=(hd0,1)
       (hd0,1) is a partition in grub notation. See grub(8) for more information.

       This option controls if grub should create the alternative boot options in the menu entries
       # alternative=true
       # alternative=false

       This option controls if grub should lock the alternative boot options see grub(8) for more information.
       # lockalternative=true
       # lockalternative=false

       This option controls if grub should lock the old kernels.
       # lockold=true
       # lockold=false

       This options controls what is used for the alternative boot options, multiple altoptions lines are allowed.
       # altoptions=(some description) some kernel command line options
       # altoptions=(recovery option) single
       The description is placed in '()' and the kernel command line options follow that.
       # updatedefault=true
       # updatedefault=false

       This option controls if grub should update the default entry to keep booting the same kernel even if a new one is installed.

       The update-grub script can be ran automagically from the /etc/kernel-img.conf file by adding the following lines:

       postinst_hook = update-grub
       postrm_hook = update-grub
       do_bootloader = no

       For further information related to /etc/kernel-img.conf, see the manpage kernel-img.conf(5).

SEE ALSO

       grub(8), grub-install(8), kernel-img.conf(5) (contained in the kernel-package package), bootparam(7).

       The full documentation for grub is maintained as a Texinfo manual in the grub-legacy-doc package.  If the info and grub programs are  prop-
       erly installed at your site, the command

	      info grub

       should give you access to the complete manual.

AUTHOR

       This manual page was written by Jason Thomas <jason@debian.org>, for the Debian GNU/Linux system (but may be used by others).

Jason Thomas							   June 18, 2001						    update-grub(8)
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