Questions tagged [ls]

The ls command lists the contents of a directory.

Filter by
Sorted by
Tagged with
10
votes
4answers
6k views

List all files / binaries in current PATH

Is there an "easy" way of running an "ls -la" style command for listing all files / executable binaries in the current PATH? (I intend to pipe the output into grep, for looking for commands with ...
4
votes
2answers
2k views

how to use grep for specific files?

for example I type ls -altr | grep "23 Dec" so it will show files for 23 Dec only and I want to use grep for them, like ls -altr | grep "23 Dec" | xargs grep -l "some_string" but this doesn't work)...
5
votes
3answers
626 views

What's the best way to list size of / in Terminal?

I want to see how much total space / is taking, but I don't know how to do that. I can use ls -hal and add up the subtotals, or I can use fdisk to tell me the size of that partition, but is there a ...
0
votes
1answer
2k views

difficalty to save traceroute output in shell variable?

I need to filter and store traceroute output in shell variable (array). But I am getting some unusual output. As I try to explain in following lines. My present directory is temp, having some ...
1
vote
5answers
4k views

Identify folder in bash

I was trying to learn how to identify only folders within a folder on the main level. example: main -folder 1 -folder 2 -folder 3 I started with this script: #!/bin/bash LOCATION="/mnt/test/build/"...
23
votes
1answer
27k views

ls taking long time in small directory

Running Ubuntu, I open a terminal and do sudo bash cd / ls | head -n 1000 And predictably about 20 directories are returned. However, if I do an ls, and don't pipe it into anything, the ls just ...
4
votes
2answers
7k views

Displaying the last N modified files?

How can I list the 10 most recently modified files of a certain extension, not all files, or the files modified during the last 2 days for example?
1
vote
2answers
227 views

Are there any pitfalls to overriding ls?

Is there anything to watch out for if you wanted to override ls? Is there a more reliable way of getting pagination out of ls? For example: function ls() { command ls -hp $@ | more; }
9
votes
2answers
393 views

Different colour for the KiB range in `ls -l`

Is there any sane way to highlight the 4th, 5th, and 6th columns from the right of the file size in ls -l? My intention is to make it easy to read a file size be it in bytes, KiBs, or MiBs. I do know ...
8
votes
3answers
17k views

what is total in the output of ls command [duplicate]

Possible Duplicate: ls command: what does the first line mean? I have an empty directory.I am using following command to view the contents of that directory. ls -lart The output I get is below. ...
4
votes
4answers
10k views

No such file or directory error when using xargs

I have some files with .mkv extension and I want to calculate their total size using du -h. Some of the files are preceded by whitespace characters. ranveer@ranveer:~$ ls *.mkv Arrow.S01E02.720p.HDTV....
1
vote
1answer
2k views

Very basic question, ls a different directory and save file

I seriously can't understand where I'm going wrong with his question. The first part is. List all the file and directory names in /etc which have 1 or more numbers in their name. Remember to use "-d"...
13
votes
1answer
5k views

What's the second column of ls -l say? [duplicate]

Possible Duplicate: What is the number between file permission and owner in ls -l command output? I've been using Linux for years now and I'm embarrassed to say that until now I didn't notice ...
6
votes
1answer
500 views

Alphabetizing names in `ls` alias with .files not intermingled

I am currently using the following ls alias: alias ls='ls -alhGkpsq --color=auto'. This results in following directory listing. [03:35] bryson@brys ~ :$ ls total 48K 4.0K drwx------ 4 bryson 4.0K ...
3
votes
2answers
2k views

Why is bash giving me (apparently) conflicting information about a file?

Background I am working on a RHEL 5 cluster. I want my Fortran program to read the file /home/bob/inputs/input_1 I asked Bob to give me permission to read all contents of inputs: [bob@server]$ ...
6
votes
2answers
4k views

Tmux eclipsed colorized output of ls

I'm running Xubuntu 12.04, and when I use the Terminal I get colored filenames from ls. But inside tmux, everything ls prints is white. I know my tmux supports color, though, because I get color ...
1
vote
2answers
2k views

List info about files/directories with spaces

I am trying to use ls to get information about files and directories. My current command fails to properly get the name whenever a file/directory has a space. I am using this to list all files/...
5
votes
1answer
2k views

copying device nodes

I'm trying to transfer a working Linux installation to a new larger disk, so I've attached the new disk on a USB port, partitioned it and created filesystems. While copying all the files over I hit a ...
12
votes
1answer
5k views

ls everything that is _not_ a symlink

Does ls have a way to show negated conditions like "all files which are not a symlink"? I use the latter a lot in a project directory but other negations would be useful as well. For now, my research ...
6
votes
1answer
2k views

Symbolic links with ls, mv: forcing the functions to utilize “logical” addresses (remembering the original path)

It seems that for many basic functions operating on symbolic links, the physical path is used by default. However, cd works fine. When moving into a symbolic link, cd remembers where I came from so it ...
8
votes
4answers
21k views

How to get the relative paths with ls?

I'd like to do something like this to move the last two downloaded files: mv ` ls -rt ~/Downloads/ | tail -2 ` . Unfortunately, ls only gives the filenames. How can I adapt the code above? (Before ...
1
vote
1answer
2k views

Asking ls to only list files in a path that match a specific glob/regex

In Zsh: Is there a way to use ls to only list files and folders in the current directory that match a specific globbing or regex pattern? For example, say I have multiple files that start with the ...
7
votes
4answers
3k views

ls colors for permissions

Is there a way to control the color output of ls to highlight specific permissions on files? (e.g. write permissions). Any options in LS_COLORS that would do this? (the image above is from Dired+ on ...
38
votes
3answers
21k views

How can I do the equivalent of tail -f with ls? [duplicate]

Possible Duplicate: Is it possible to follow a command (run repeatedly)? as one would follow a file using tail -f? I would like to monitor files that are being downloaded to a directory in real ...
12
votes
2answers
6k views

How can I stop ls from descending into directories, similar to prune for find?

If I type ls *ro* I also get files in subdirectories that match the *ro* pattern. Is there any option for ls similar to prune? Ideally a flag, otherwise perhaps an exec?
4
votes
2answers
6k views

How to solve sudo: unable to execute /bin/ls: Argument list too long

When I run this command from php sudo -u db2inst1 ls -t /var/lib/edumate/bdrs/*/*/daily/*NODE* | sort -r I receive sudo: unable to execute /bin/ls: Argument list too long ls lists all daily backup ...
2
votes
2answers
2k views

What does it mean when the output of $ls -lasrt includes '.' and '..'

I input the command: $ ls -lasrt And the output includes (there are more results, these are the ones that confuse me): 4 drwxr-xr-x 5 tuc40953 stdchem 4096 Jul 3 17:48 .. 4 drwxr-xr-x ...
6
votes
3answers
694 views

Bash autocomplete gives different file name than ls

An incredibly strange thing just happened. Through a serious typo, I entered cp filename.xsl .^?~ Yeah, that's right, dot-caret-questionmark-tilde! Truth is stranger than fiction. It gets weirder. ...
1
vote
1answer
618 views

wdfs mount problem

I'm running Fedora/Gnome 3.4.2 64bit and I'm trying to mount a webdav file system to work with. As root, I run the command #mkdir /mnt/webdav #wdfs https://www.webiste.com:port/directory /mnt/...
19
votes
4answers
36k views

What does the “number” in the owner field of files signify in linux?

I copied many files to my new linux host. I see that all files have the owner and group both set to 515. What does that mean?
8
votes
1answer
21k views

How to get exact file size and file name?

Right now I am using ls -lt /my/directory (see below) then php parses the output. But inconsistently because the delimiter is space and there might be two or more spaces in between two fields. The ...
3
votes
1answer
3k views

What does @ sign mean in 'ls' output on Mac OSX Lion terminal? [duplicate]

Possible Duplicate: what does the @ mean in ls -l? What does the @ sign mean in the following "ls" output? -rw-r--r--@ 1 root wheel 489 Jan 4 13:14 boot.plist
2
votes
3answers
2k views

Can I list only specific subdirectories?

I have a folder tree structure like arndell \_databases \_daily \_weekly claremont \_databases \_daily \_weekly monte \_databases \_daily \_weekly and I am only after all files inside ...
2
votes
1answer
1k views

ls in glorious 256 colours [closed]

Apart from the ls colors solarized theme, is there any other ls colour themes out there that you would recommend for a dark background with a urxvt terminal?
0
votes
2answers
2k views

ls outputs multiple columns even if piped to grep with grml's zsh config

I just decided to give zsh a go against Bash and came across some unhandy behaviour about which I couldn't find anything on the net: If you do a ls | grep foo in Bash, the ls only contains one file ...
3
votes
2answers
1k views

Is it possible to show the contents of a directory without changing into it?

I'd like to show the contents of a folder without first changing into it. for example: ---- Documents | | L_ Essays If I'm in Documents, how can I show the contents of ...
8
votes
1answer
2k views

Why isn't the ls command listing huge filesizes?

In my Redhat Linux, I am getting the following error when executing the ls command. # ls ls: sugar.sql: Value too large for defined data type
9
votes
2answers
2k views

What is the point of ls -f (or, why is this hanging?)

I've got a directory with about 100,000 files in it. ls -f hangs for over a minute. I ran strace, and immediately started seeing getdents, so ls is clearly reading the directory. I also see a lot ...
3
votes
2answers
212 views

How do I create a structured list of all the files and directories under a particular directory (recursively)?

I need to have an "image" of a file system without actual contents of the files - just all the names and the structure, so that I can read the file and know what files were stored there and how were ...
4
votes
1answer
1k views

Zsh autocomplete ls command with directories only

Suppose I have following files and directories: % ls bui00293 buiawer builds/ buiowpe/ I want to list the content of ...
-2
votes
1answer
366 views

Why does this script show all files in the directory and not just PDF files?

I wrote the script below to find the number of PDF files in a given directory. However, it instead shows all the files in the directory: #!bin/bash message="." message1="*.pdf" ls -al $message $...
3
votes
2answers
258 views

Executables show with character * next to their name in output of ls

I noticed that when I list my executables with ls on my Z shell they show up with a character * next to their name (e.g. see the file in red .test_color_scheme)     What is causing this?...
1
vote
1answer
1k views

file missing from Desktop screen but can be seen using “ls” under the Desktop directory

I downloaded some files onto desktop. After typing ls under the Desktop directory, I can see these files. However, I cannot see the icons on my desktop corresponding to the files I see with ls. I use ...
1
vote
1answer
765 views

colorizing ls output based on filename

i'm on freeBSD and trying to colorize ls output, so i've added alias ls ls -lhG setenv LSCOLORS gxfxcxdxbxegedabagacad to my .cshrc and it works. but what i really want to - is to be able ...
2
votes
3answers
3k views

How universal is the -L (dereference symlink) switch of the 'ls' command?

I have some software that, among other things, needs to: Assess a file's rwxrwxrwx permissions; Work under every possible flavor of Unix and Linux you can find in the wild. Currently, it does that ...
-1
votes
1answer
318 views

How can I tell when a file was modified?

I am running some simulation on a high performance computing cluster (HPC). When I check when the file was changed with ls -t I get the wrong result. I know this becouse I have run a small job that ...
10
votes
2answers
6k views

Testing LS_COLORS in zsh

A few years ago I found an interesting code snippet that prints each type of file in its corresponding color according to the colors set up in LS_COLORS. Unfortunately, I can't remember the link ...
13
votes
3answers
716 views

When does `ls -s` print “0”

Of course, the standard way of testing if a file is empty is with test -s FILE, but one of our clients have received a script containing tests like this: RETVAL=`ls -s ./log/cr_trig.log | awk '{print ...
2
votes
2answers
2k views

How do I show all files in a directory except those that have a certain extension AND display them in multiple columns?

Since I write in Python a lot it's kind of annoying to see .pyc files all the time and I would like to just hide them at this point. I tried the following, but I can't seem to figure out how to get it ...
12
votes
4answers
882 views

ls command operating differently depending on recipient

How does commands like ls know what its stdout is? It seems ls is operating different depending on what the target stdout is. For example if I do: ls /home/matt/tmp the result is: a.txt b.txt c....