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Full Discussion: ls -ltr a list of filenames-with-spaces within a text file
Top Forums UNIX for Advanced & Expert Users ls -ltr a list of filenames-with-spaces within a text file Post 302736593 by uschaafm on Tuesday 27th of November 2012 02:49:10 PM
Old 11-27-2012
[Solved] ls -ltr a list of filenames-with-spaces within a text file
OS: RHEL 5.8
shell: bash 3.2.25

Directory /home/guest/ contains these files:
file a
file b
file c
fileD
fileE
fileF
testFile.txt

I'm trying to find the syntax to run
Code:
ls -ltr

against this list of files that is contained within a text file, testFile.txt.

The file testFile.txt has the contents below, with file names within quotes and with files space delimited.

"/home/guest/file a" "/home/guest/file b" "/home/guest/file c" "/home/guest/fileF" "/home/guest/fileE" "/home/guest/fileD"

All attempts are failing upon encountering whitespace.
1.
Code:
ls -ltr `cat testFile.txt | xargs -0` 
 ls: "/home/guest/file: No such file or directory
 ls: a": No such file or directory
 ls: "/home/guest/file: No such file or directory
 ls: b": No such file or directory
 ls: "/home/guest/file: No such file or directory
 ls: c": No such file or directory
 ls: "/home/guest/fileF": No such file or directory
 ls: "/home/guest/fileE": No such file or directory
 ls: "/home/guest/fileD": No such file or directory

2. Same error from
Code:
ls -ltr `awk '{print}' /home/guest/testFile.txt

3. Same error from
Code:
cat testFile.txt | while read i ; do ls -ltr $i ; done

Any assistance would be greatly appreciated. Thanks!
 

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LEARN ABOUT DEBIAN

xen-resize-guest

XEN-RESIZE-GUEST(8)					 Perl Programmers Reference Guide				       XEN-RESIZE-GUEST(8)

NAME

       xen-resize-guest - Resize a loopback or LVM based xen guest.

SYNOPSIS

	 xen-resize-guest [options]

	 Help Options:
	  --help     Show help information.
	  --manual   Read the manual for this script.
	  --version  Show the version information and exit.
	  --verbose  Show diagnostic output.

	 General Options:
	  --add      Specify the amount of space to add, e.g. --add=1gb
	  --dir      Specify the path to the loopback image root.
	  --force    Force the resize to happen without a last-chance delay.
	  --hostname Specify the hostname of the guest to resize.

OPTIONS

       --add Specify the amount of storage to add to the primary disk.
       --dir Specify the directory where the loopback files are based.
       --force Don't pause for 10 seconds prior to commencing.
       --help Show help information.
       --hostname Specify the hostname to delete.
       --lvm Specify the volume group to use.
       --manual Read the manual for this script.
       --version Show the version number and exit.

DESCRIPTION

	 This tool will ease the resizing of Xen guests, whether they are based
	upon loopback files or LVM partitions.

	 Whilst the process of resizing a guest is pretty simple it can be fiddly
	to do the steps correctly in the right order:

       1.  Shutdown the guest.	2.  Unmount the volume, if it is mounted.  3.  Add to the space.  4.  Check the filesystem.  5.  Resize the
       filesystem.  6.	Restart the guest.

	 More than once I've heard of users making mistakes and breaking their
	filesystems; hence this tool.

AUTHORS

	Steve Kemp, http://www.steve.org.uk/
	Axel Beckert, http://noone.org/abe/

LICENSE

       Copyright (c) 2005-2009 by Steve Kemp, (c) 2010 by The Xen-Tools Development Team. All rights reserved.

       This module is free software; you can redistribute it and/or modify it under the same terms as Perl itself.  The LICENSE file contains the
       full text of the license.

4.3.1								    2012-06-30						       XEN-RESIZE-GUEST(8)
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