The ls command lists the contents of a directory.

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-3
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0answers
24 views

Modifing RM & LS [on hold]

I am new in Linux, is there a way to do the following: Modifying RM command so that a file in a specific folder are not deleted (means making deception) Then Modified LS in such a way that it doesn't ...
0
votes
2answers
21 views

Listing numbered files using wildcard sequence with predefined range

I have a folder of numbered data files. I am trying to incrementally extract a predefined range of files. The range of files that I am looking for is predefined in two variables, ns and ne, which ...
163
votes
9answers
277k views

How do I get the size of a directory on the command line?

I tried to obtain the size of a folder (containing folders and sub folders) by using the ls command with option l. It seems to work for files (ls -l file name), but if I try to get the size of a ...
10
votes
14answers
2k views

'ls -1' : how to list filenames without extension

ls -1 lists my elements like so: foo.png bar.png foobar.png ... I want it listed without the .png like so: foo bar foobar ... (the dir only contains .png files) Can somebody tell me how to use ...
0
votes
3answers
45 views

Seeing mode of file without listing all files

I want to see the mode of file/folder foo, in the form drwxrwxrwx. I would normally do ls -lah | grep foo, but in this case the folder had so many subfolders, that it took a long time for ls to run. ...
2
votes
5answers
210 views

How can I list the names of directories that contain file names matching a regex?

Given a directory X that contains several subdirectories and files, I would like to list the names of the immediate child directories of X that (directly or indirectly) contain file names matching the ...
0
votes
3answers
34 views

Command to print the number of *.pdf files in a chosen directory [duplicate]

I am currently not on a Linux machine. Would the following command produce my wanted result? ls | grep ".pdf" | wc
1
vote
2answers
24 views

Tolerant file system for a failed automount

(I am running openSUSE 13.2) My current setup I have an external backup drive which I mount at boot with the following line in my /etc/fstab: /dev/mapper/cr_backup /backup ext4 ...
6
votes
4answers
31k views

How do I echo just 1 column of output from ls command?

Lets say when I do ls command the output is: file1 file2 file3 file4 Is it possible to display only a certain column of output, in this case file2? I have tried the following with no success: echo ...
22
votes
8answers
68k views

How to list files without directories, and filter by name (ls options)

I have a directory called uploads. It contains a bunch of files, plus a few subdirectories which in turn contain files. Is there a way I can (in one step) do the following: List ONLY the files in ...
1
vote
1answer
893 views

List files from time X to time Y

How to list out all files created between from 'x' to 'y' time? I want to list out files created between "29-dec-2014 18:00" to "30-dec-2014 18:00". Using ls or stat?
1
vote
1answer
44 views

passing ls variable to grep when doing a file search only works inside directory

I am running a command that I use to find the most recent file in a folder then grep the contents for a matching pattern. Here is the command flow that shows the problem I am having. root@backup /]# ...
0
votes
4answers
77 views

Is there a way to show the permissions for a file without using `ls`

That's all - just wondering if there's other way to find out the permissions for a file without doing a ls -l to see the string of values there. As far as I know, there's no show option in chmod.
8
votes
5answers
37k views

ls list files not matching given string in filename

I have a directory in which lots of files (around 200) with the name temp_log.$$ are created with several other important files which I need to check. How can I easily list out all the files and ...
1
vote
1answer
425 views

ls --color=auto (dir colors) not working in one directory

I changed ownership of a folder to provide restricted access to some users (it previously was only visible to root) and after that, all files are now one color (bright green) and directories are blue. ...
70
votes
3answers
192k views

How do I make `ls` show file sizes in megabytes?

What commands do I need for Linux's ls to show the file size in MB?
0
votes
0answers
37 views

permission denied, cannot list files within a folder

I have a folder like: drwx--xrwx 9 user group 4096 May 1 11:17 160429_ST-E00110_0195_AHMFVNCCXX However my user other can't do ls: -bash-4.1$ ls 160429_ST-E00110_0195_AHMFVNCCXX ls: cannot open ...
12
votes
1answer
24k views

Alias for directory listing sorted by time modified in reverse order

When I need to find my recently used files, this command: ls -lt lists in ascending order (by time), when there are lots files, I need to scroll to the top to see needed files, because wont fit in ...
0
votes
2answers
34 views

Doing ls -l /dev [duplicate]

When experimenting with the ls -l command I noticed that in the /dev folder ls -l was sometimes printing something like this in the first column : crw-rw----+ What is this "+"? What does it mean? ...
1
vote
1answer
111 views

`ls` behavior on EACCES error for /root and /root/some-rubbish

I'm trying to code a clone of the ls command as part of a school exercise. I'm wondering why the following output is displayed by ls: $> ls -- -test_dir /root /root/some-rubbish ls: ...
28
votes
2answers
14k views

Output from ls has newlines but displays on a single line. Why?

I think I may be overlooking a relatively fundamental point regarding shell. Output from the ls command by default separates output with newlines, but the shell displays the output on a single line. ...
0
votes
2answers
49 views

List Most Recent File per Sub-Folder

I have a File structure of : FOLDER/SUB_FOLDER/Text_File I have over 1k+ FOLDER and each FOLDER has at least 2 different SUB_FOLDER with each SUB_FOLDER their own Text_File. I'm trying to ...
1
vote
1answer
49 views

Terminal color usage does not stay

I was wondering if any of you knew why doesn't my terminal keep displaying stuff colored, after I use the command ls -l -a --color=always I would like it to stay colored, so when the next time I type ...
4
votes
1answer
280 views

Permission errors even though permissions are wide open

I installed anaconda on our new VM and I can't list its contents. I can change my directory to .../anaconda/ but when I type ls -l I get: ls: cannot open directory .: Permission denied However, ...
1
vote
7answers
537 views

Matching n letter filename with ls

I am using the ls command in bash, trying to find all files or directory of length n. Let's say n=5 My command is: ls ????? But this would also include characters that are non letters such as ...
5
votes
1answer
1k views

Piping the output of ls or tree to less loses colors?

tree and ls can distinct file types by coloring filenames differently. tree and ls often output a long list of files (including directories), so I pipe the stdout output to less. But less doesn't ...
5
votes
5answers
81 views

execute command on a defined range of directories

Is it possible to 'partition' a directory listing - say in to blocks of some number, to perform different actions on each 'range'? For example, lets say I have the following directories inside ...
2
votes
2answers
35 views

Instead of using ls, how does it make work with `find`?

I have this command: ls -Ra | grep -cve/ -e'^\.*$' and I would like to do exactly the same with find I tried this find . -name "^\.*$" -o -print | wc -l but the problem is, if I create new file ...
0
votes
2answers
34 views

Universal abstraction of ls

Specs OS: OS X; Client: Terminal; Shells: sh, bash Problem I'm writing a shell script that adds a layer of abstraction to the ls command. I want to make it "unbreakable", so I started by figuring ...
-2
votes
3answers
28 views

listing files with pattern with starting and ending

I want to list all files in a directory that start with 'abc' and end with '.zip' I'm trying to use ls. The directory has a lot of zip files starting with abc<date> and xvz<date>. I only ...
5
votes
5answers
530 views

Is it possible to run ls or find and pipe it through stat?

Is there a way to run ls or find to get the list of files within a directory and then run stat to get all of the specific information (i.e. File Group, File Name, File Owner, File Size (displayed in ...
4
votes
1answer
616 views

“The entry is a door” in Solaris “ls” man page

I found this in a man page for ls in solaris linux. http://www.unix.com/man-page/opensolaris/1/ls/ What does it mean when it says: D the entry is a door?
-1
votes
1answer
44 views

What does this command do, exactly?

I have this command, but I don't get what it does. ls -Ra | grep -cve/ -e'^\.*$' And how can I do the same with 'find' command.
0
votes
1answer
52 views

List hidden files only (not just dot files) using an ls alias

I would like to use an ls alias (like l.) to output a colored list, consisting of only hidden files & directories, whether or not they begin with a dot. Any suggestions? Example of desired ...
2
votes
2answers
71 views

“ls” command stuck trying to list a stale mount point. How do you kill/stop it?

When working with remote filesystems such as sshfs or smbfs, it is command that they become stale due to network problems. To check if the mount is stale or not, I usually use the command ls to see if ...
0
votes
3answers
606 views

find -exec ls -lR {} \; returns every item twice

Background: I'm currently writing an archiving script, which creates gzipped tarballs from some folders and their contents. It should be able to synchronize the gzipped archives with the sources ...
1
vote
1answer
33 views

Set ls -l time format

I would like for all my ls commands that display a date, such as ls -l, to print the date column in a format of my choosing. Currently, I manually set this every time with --time-style. Is there any ...
2
votes
1answer
23 views

make ls gray out files that end with tilde (`~`) using `LS_COLOR`

Problem: I am trying to modify LS_COLORS to gray out all files ending with the tilde character. Question: Can anybody spot my mistake? Here is what I did: # write dircolors file: dircolors -p > ...
57
votes
4answers
92k views

What do the fields in ls -al output mean?

The ls -al command shows the following output; -rwxrw-r-- 10 root root 2048 Jan 13 07:11 afile.exe What are all the fields in the preceding display?
23
votes
6answers
27k views

How do I limit the number of files printed by ls?

Is there a way to limit the quantity of listed files on a ls command? I've seen: ls | head -4 but to get head or tail to be executed I need to wait for ls to finish execution, and with directories ...
2
votes
2answers
38 views

List all the files in ending with several file extensions?

If I want files ending with .fas I know I can do the following with ls command : ls -l /users/jenna/bio/*.fas and this lists out all the files ending with .fas. But how can I get files ending with ...
7
votes
2answers
5k views

How do regular expressions differ from wildcards used to filter files

While we use * to denote zero or more previous characters in grep, we use *.c to find all C files when we use it with the ls command like ls *.c. Could someone tell how the use of * differs in these ...
3
votes
4answers
129 views

How do I extract a long listing field?

I want to extract the access day of a file in a shell script. I tried by writing the following script but it doesn't work. When I echo accessday, the output is "staff". file=$1 accessday=$(ls -lu ...
92
votes
8answers
15k views

Why *not* parse `ls`?

I consistently see answers quoting this link stating definitively "Don't parse ls!" This bothers me for a couple of reasons: It seems the information in that link has been accepted wholesale with ...
2
votes
5answers
157 views

Have the ls command behave differently based on the number of entries

Is it possible to have the ls command behave differently based on the number of directory entries that may be listed? If I just use ls (with no modifying options, but I can specify directories or ...
1
vote
1answer
75 views

What is the number at the top for the results for ls -l? [duplicate]

When you type in ls -l, there is a number on the first line labeled "total 22037"? What does this number mean? I am attempting to write my own version of ls -l( in C), and how do I get this value or ...
0
votes
0answers
27 views

File and folder size using ls and du [duplicate]

I created a folder and copied a 992 byte jpg file in it. Then I created a hard and soft links for the file. The hard link is the same size of the file and the soft link is 8 bytes. Now when I checked ...
-9
votes
1answer
51 views

Unix “ls” command? [closed]

Can someone explain to me what are all the options available with the -la flags for the ls command ? I have read the man pages, but still not sure.
3
votes
1answer
63 views

Change dir colour in bash output

Under Mac OSX, I am trying to change the dir colour when ls outputs in the bash shell. So I placed this line at the end of my .bashrc file and reloaded. LS_COLORS=$LS_COLORS:'di=0;32:' ; export ...
6
votes
3answers
462 views

How do I get `ls -l` output for a link recursively until reached the original file?

Let me give an example (it's just an example taken from here): $ ls -l /usr/bin/gnome-text-editor lrwxrwxrwx 1 root root 35 Mar 16 2015 /usr/bin/gnome-text-editor -> ...