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Full Discussion: Ls -ltr in scripting
Top Forums Shell Programming and Scripting Ls -ltr in scripting Post 302947019 by Don Cragun on Sunday 14th of June 2015 05:56:53 PM
Old 06-14-2015
Quote:
Originally Posted by Aia
Code:
printf "List of files %s\n" $(ls -ltr)

List of files total 12
List of files -rw-rw-r--. 1 aia aia  148 Jun  7 19:49 index.html
List of files -rw-rw-r--. 1 aia aia 1446 Jun 12 20:27 pvz.html
List of files -rw-rw-r--. 1 aia aia 1984 Jun 13 22:50 pvz.bgcolor.html
List of files drwxrwxr-x. 2 aia aia   23 Jun 14 12:06 pvz

Expanding on what Scrutinizer said... As already explained in this thread, this only works if IFS is set to the <newline> character.

With a default setting of IFS (IFS=$' \t\n'), that command would produce something more like:
Code:
List of files total
List of filesl 12
List of files -rw-rw-r--.
List of files 1
List of files aia
List of files aia
List of files 148
List of files Jun
List of files 7
List of files 19:49
List of files index.html
... ... ...

And, you get the same results with:
Code:
IFS=$'\n' printf "List of files %s\n" $(ls -ltr)

because that only sets IFS in the environment for the invocation of printf; not for the evaluation of the results of the command substitution done in the current shell execution environment when preparing arguments to be passed to printf.

Last edited by Don Cragun; 06-14-2015 at 06:57 PM.. Reason: Add note...
 

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LSATTR(1)						      General Commands Manual							 LSATTR(1)

NAME
lsattr - list file attributes on a Linux second extended file system SYNOPSIS
lsattr [ -RVadlpv ] [ files... ] DESCRIPTION
lsattr lists the file attributes on a second extended file system. See chattr(1) for a description of the attributes and what they mean. OPTIONS
-R Recursively list attributes of directories and their contents. -V Display the program version. -a List all files in directories, including files that start with `.'. -d List directories like other files, rather than listing their contents. -l Print the options using long names instead of single character abbreviations. -p List the file's project number. -v List the file's version/generation number. AUTHOR
lsattr was written by Remy Card <Remy.Card@linux.org>. It is currently being maintained by Theodore Ts'o <tytso@alum.mit.edu>. BUGS
There are none :-). AVAILABILITY
lsattr is part of the e2fsprogs package and is available from http://e2fsprogs.sourceforge.net. SEE ALSO
chattr(1) E2fsprogs version 1.44.1 March 2018 LSATTR(1)
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