Directory listing


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# 1  
Directory listing

Hi,

I have a directory with a bunch of files say around 150K.

I want the directory's path and the filenames printed to a text file.

Example:
If I am in the directory /path/test and the files in this directory are
Quote:
1.txt
2.txt
3.txt
My output file should be like this
Quote:
/path/test/1.txt
/path/test/2.txt
/path/test/3.txt
Thanks in advance

---------- Post updated at 03:59 PM ---------- Previous update was at 03:51 PM ----------

I found it on google.

Hope it helps someone.

Code:
ls -d $PWD/*

Thanks

Last edited by methyl; 04-03-2012 at 07:33 PM.. Reason: code tags on the o/p provided solution
# 2  
That will blow up if there are too many files in the directory. That's a useless use of ls, anyway, since * finds all the files.

Code:
ls | awk -v PWD="$PWD" '$0=PWD $0'

# 3  
Try this (this does not have a limitation on the number of arguments, since printf is a shell built-in):
Code:
printf "%s\n" "$PWD"/*.txt

Quote:
Originally Posted by Corona688
That's a useless use of ls, anyway, since * finds all the files
In this case the asterisk serves to get the pwd in, without it it will just list the files...

Last edited by Scrutinizer; 04-03-2012 at 06:28 PM..
# 4  
Hi jacobs.smith,

Using perl:
Code:
$ perl -MFile::Spec -e 'for ( glob "*" ) { printf qq[%s\n], File::Spec->rel2abs( $_ ) if -f }'

# 5  
Modifying the solution posted in edited post #1 to allow for an empty directory, a directory name containing space characters, or a directory containing subdirectories or other non-files:

Code:
ls -1d "${PWD}"/* 2>/dev/null | while read filename
do
        if [ -f "${filename}" ]
        then
               echo "${filename}"
        fi
done


Ps. Storing 150k files on one directory is a design issue. You can get severe performance issues or even failures.
We can only issue a "ls" command in such a directory if there are enough resources to sort the list (the unix "ls" command always sorts the list) and the o/s will tolerate the command.
If "ls" stops working, use "find" and a custom "sort".


Folowing Scrutinizer's excellent post, I revise as follows (untested): O/P did not specify ".txt" in posted solution.
Code:
printf "%s\n" "$PWD"/* | while read filename
do
        if [ -f "${filename}" ]
        then
               echo "${filename}"
        fi
done


Last edited by methyl; 04-03-2012 at 08:54 PM.. Reason: typos
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