The ls command lists the contents of a directory.

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2
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1answer
3k views

Enable line breaks when assigning multi line outputs to var in bash

I'm using the following very basic shell script I copied off the net to list the contents of my database backup folder and mail them regularly: MYSQLLIST=$(ls -lhG /var/backups/mysql/daily/) ...
0
votes
2answers
142 views

How to find all .zip and .rar files recursively and sort them by size [duplicate]

I am looking for all .zip and .rar files in comp_tuts folder and I am intersted in showing their file sizes and sorting them from biggest to smallest. I have tried ls -R *.zip ls: cannot access ...
21
votes
11answers
4k views

Linux - command to list files (except ls)

Imagine you were working on a system and someone accidentally deleted the ls command (/bin/ls). How could you get a list of the files in the current directory? Try it. I tried many ...
0
votes
2answers
376 views

ls command lists hidden files

When I run ls command I get files like opencv.sh~ in my output which is not visible if I check the home directory. Basically, it also lists hidden files without supplying any other parameter. How can ...
9
votes
8answers
15k views

Convert ls -l output format to chmod format

Say I have the following output from ls -l: drwxr-xr-x 2 root root 4096 Apr 7 17:21 foo How can I automatically convert this to the format used by chmod? For example: $ echo drwxr-xr-x | ...
2
votes
1answer
112 views

Why is vdir still around?

After installing Debian 8, I started poking around /bin (as I'm always wont to do), and I noticed that ls and vdir share, not only the same manpage (except for the whatis line), but the exact same ...
1
vote
1answer
65 views

Got weird result when executing bash command “cd /usr/share/; ls *z ”

I know the meaning of * wildcard But when I use Ubuntu 14.04 and type following command: $ cd /usr/share/ $ ls *z But why the part of the result is like this:    ...
3
votes
2answers
329 views

rm not deleting file, thinks its a directory

I have a hard drive with windows loaded on it hooked up to my Linux machine for backing up some of the information. I want to delete one of the 'temporary internet files' folders and it deleted all ...
4
votes
4answers
2k views

only show the source file and target linked file using `ls`

I can show the target file that a link points to using ls -l: snowch$ ls -l /usr/local/bin/mvn lrwxr-xr-x 1 snowch admin 29 12 Dec 08:58 /usr/local/bin/mvn -> ../Cellar/maven/3.2.3/bin/mvn Is ...
1
vote
1answer
139 views

Listing directories and understanding ls

On ls man page, I saw this -d, --directory list directory entries instead of contents, and do not dereference symbolic links on my current folder: drwxr-xr-x 2 oracle oinstall 4.0K Jul ...
1
vote
1answer
176 views

Display full ISO time in OSF1

I am working on an HP OSF1 (Tru64) based server and need to display file listings with the full-iso time format style. Example of this in Ubuntu Linux, user@hostname:~/Desktop$ ls -lrt --full-time ...
0
votes
0answers
187 views

How to check if the shell script created a new error log file in a folder with the same shell script? [duplicate]

I am trying to check if the new file is created in the specific directory or not when I run the shell script. Here, I am creating a new file through the shell script itself and then checking whether ...
1
vote
5answers
786 views

list all files with extension .log except one

I would like to list all files with extension .log except the file backup.log. I have tried using this command: ls *.log -I "backup.log" But all the log files are listed, even backup.log! How ...
0
votes
2answers
45 views

Why is there a minor number in /dev for directories such as pts?

This is a part of /dev in CentOS 6.6. What is the meaning of the minor number for directories like ., .. , bsg, block and ... ? drwxr-xr-x. 18 root root 3800 Jul 3 06:00 . dr-xr-xr-x. 21 ...
0
votes
1answer
601 views

Meaning of chmod 1775

Created a folder "Sample_dir" and analysed its permissions. $ mkdir Sample_dir $ ll Sample_dir/ total 36 drwxrwxr-x 2 user user 4096 Jul 1 19:26 ./ drwx------ 71 user user 28672 Jul 1 19:26 ../ ...
1
vote
2answers
472 views

How to use logical OR in find?

In bash shell ls can use a logical OR functionality through (of course I could also do ls name1 name2 but my true examples are more complicated): ls @(name1|name2) Is there a way to do this using ...
2
votes
1answer
281 views

sudo ls not showing hidden files on Linux

Today I discovered that sudo ls shows hidden files (that is, those that have names starting with .) on OS X. This surprised me so much that I asked a question about this behaviour, which I still find ...
0
votes
0answers
141 views

Completely hidden directory on ACFS imported via NFS

how is this possible: [root@oda001-d0 .ACFS]# pwd /OVS/Repositories/repo1/.ACFS [root@oda001-d0 .ACFS]# ls -la .. total 148 drwxr-xr-x 8 root root 4096 Jun 23 11:45 . drwxr-xr-x 5 root root 4096 ...
6
votes
1answer
5k views

Using regex in ls and mv

I have a directory structure like this ├── UK │   ├── BuyBand_go_UK.png │   ├── BuyBand_go_UK.svg │   ├── BuyBand_K.png │   ├── BuyBand_K.svg │   ├── BuyBago_UK.png │   ├── BuyBago_UK.svg │   ├── ...
0
votes
1answer
55 views

Find directory names with N occurences of a set of characters

Sorry in advance, I know there are hundreds of posts about find, but I genuinely don't understand what's happening here and haven't been able to find a definitive answer to this question: how to match ...
1
vote
1answer
242 views

change LS_COLORS behaviour

I am trying to modify LS_COLORS behavior. Presently it (say for sh or py), changes color depending on if it is executable or not, as shown here But, I want all my script, executable or not, have ...
11
votes
1answer
1k views

'ls' showing two identical files in a directory

So somehow the command ls seems to be showing me two identical files in a directory. I am certainly not doing something right here. Behold $ ls -Blah /System/Library/LaunchDaemons total 32 ...
0
votes
3answers
64 views

What rights signify when using ls -l? [duplicate]

When I type ls -l and press enter I get a list of files, with details about each file. Next to each file there is permissions and rights for each file. What do they mean? For example: -rw-rw-rw- I ...
1
vote
1answer
149 views

How do I make 'sudo ll' work? [duplicate]

Every once in awhile, I find myself needing to list files in a directory that I don't have execution permission on. So I do a sudo: >sudo ll /opt/mydir [sudo] password for civfan: sudo: ll: ...
1
vote
4answers
1k views

How to use regex to match a pattern which does not have a specific string at the end

How to use a posix bre or a posix ere regex to match a word which does not have bak at the end. I want to do a ls | egrep '<regex>' to find all files which DO NOT have bak at the end of ...
1
vote
1answer
212 views

why grep does not print the entire line? [duplicate]

When I enter ls command I get the below output. -$ ls aNode ANode bNode BNode cNode CNode DUMP file1 hello.txt TEST.txt -$ As seen, above output is one line which has filenames separeted ...
21
votes
9answers
7k views

Find files whose name is 4 characters long [duplicate]

I would like to find files whose name has only 4 characters. Example, there are three files under /tmp: $ ls /tmp txt file linux Output should only show file because it only has 4 characters.
1
vote
2answers
223 views

ls or find option to exclude binary files

How can I list only files that aren't compiled code in the current directory? I'm reviewing the custom scripts and code on several HPUX and Linux servers before transferring them to a newer system. ...
0
votes
1answer
121 views

How to create a bash script that sees all files in a directory and tells me their size and date of creation?

I'm a beginner in the field of programing/coding. I'm trying to write a simple bash script that will see all files in a directory, and then tell me each file's size and each of their dates of ...
2
votes
5answers
439 views

Get Comma Delimited List of Initials of Items in Directory?

How can I generate a comma-delimited, case-insensitive list of the first characters of the names of the files and directories in a directory, excluding initial "." items, without duplicates? I don't ...
0
votes
1answer
221 views

What does this ls command do? [duplicate]

what does this command do if it was executed in my current working directory that has files in it? ls 2> result I think whatever ls writes will be redirected to the result file? Is that correct and ...
4
votes
2answers
209 views

ls -e option not available in linux

I have shell scripts that run on Solaris UNIX that use the -e option on ls to ensure the same format for all files regardless of their age. This option is not available on Linux. The exact same ...
-1
votes
1answer
1k views

list files in ascending order

I am trying to display file names(with complete path) based on the created timestamp in ascending order. if files exists: display files with complete directory path in asc order. if files do not ...
1
vote
2answers
98 views

User cannot see directory permissions

I'm working in Ubuntu 3.13. The permissions on a drive are such that the owner can see directories and files with these permissions: drwxrwxr-x 2 michael atlas 4096 Feb 15 12:34 temp2 ...
0
votes
4answers
112 views

Why does my “ls -a-l /home” not work?

Marias-MacBook-Air:~ mariasharapova$ ls -a /home . .. Marias-MacBook-Air:~ mariasharapova$ ls -a-1 /home ls: illegal option -- - usage: ls [-ABCFGHLOPRSTUWabcdefghiklmnopqrstuwx1] [file ...] ...
4
votes
2answers
334 views

change file size format when using stat

The formatting character %s makes stat print the filesize in bytes # stat -c'%A %h %U %G %s %n' /bin/foo -rw-r--r-- 1 root root 45112 /bin/foo ls can be configured to print the byte size number ...
0
votes
2answers
84 views

'+' and 's' in permission strings

If the ls -l command gives me a permission string like rwsr-s--x What does the 's' mean? The only sources I found mention that it can be present sometimes but do not elaborate. What does a '+' ...
21
votes
2answers
77k views

How can I assign the output of a command to a shell variable?

I want to assign the result of an expression to a variable and concatenate it with a string, then echo it. Here's what I've got: #!/bin/bash cd ~/Desktop; thefile= ls -t -U | grep -m 1 "Screen Shot"; ...
0
votes
1answer
15 views

see newest release last (YML release files with the same timestamp from Git)

I pull from Git *yml files with "$packagename-$release.yml". The highest number is the most recent release. I wish to have the listening with latest release last. Correct sort order ...
0
votes
1answer
96 views

What's the -alhF flag in ls?

What is the -alhF flag in ls? I can't find it in the man page.
0
votes
3answers
284 views

Concat 1000 files within a directory [closed]

I know we can concat files by cat file [file] [[file] ...] > joined-file. I have directory which contains lots of files. I want to concat all of them. I want to concat 1000 files irrespective of ...
39
votes
8answers
33k views

List files sorted numerically

I have a bunch of files from log1 to log164. I'm trying to LIST the directory (sorted) in a UNIX terminal but the sort functions are only providing the format like this: home:logs Home$ ls -1 | sort ...
4
votes
4answers
628 views

How to show only the last k columns in ls -l?

I like to restrict the columns shown in ls -l command, by eliminating the first 4 columns. ls -lh shows: drwxr-sr-x 20 gamma alpha 4.0K May 22 13:18 Desktop drwxr-sr-x 3 gamma alpha 22 Oct 6 ...
1
vote
1answer
213 views

LS_COLORS for 256-color terminal

I thought ls colors are defined as <file_type>=[<bg(40-47)>];<font_spec(0:5)>;<font_color(30-37)> but, I recently found this where there are more colors and colors are ...
1
vote
1answer
54 views

Screen bind key requires extra Enter (RET) key

I was playing around with GNU Screen's configuration and put the following configuration in ~/.screenrc: bind l eval 'exec ls' So, now when I type C-a l, it runs ls under the current directory. ...
3
votes
4answers
1k views

Find directories that do not contain subdirectories

I'm writing script is ksh. Need to find all directory names directly under the current directory which contain only files, not subdirectories. I know that I could use ls -alR and recursively parse ...
1
vote
1answer
110 views

Assigning ls output to a variable gives unexpected behavior

I was writing a script to clean a text file from a directory (I know,it's a bad idea but I really need it) and I wrote this: #!/bin/bash var=$(ls -p /direcotry/to/file | grep -v /) truncate -s 0 $var ...
6
votes
1answer
16k views

(Why) is it bad to use ls -A to list hidden files?

I want to list every file, including hidden files, in the current directory. I don't want to include the parent (..) and current (.) directory. I found this: how to glob every hidden file except ...
3
votes
0answers
355 views

How to understand the security context in “ls -Z”?

After referring "man ls", it shows "ls -Z" can display the security context: -Z, --context Display security context so it fits on most displays. Displays only mode, user, group, security ...
-1
votes
2answers
1k views

How do I get a list of all directories and files with absolute paths each line ?

Using ls -R / i get every file and directory listed that exists, but not in the desired format. What do I need to write on the command line in order to get a list in such a format, that every line ...