The ls command lists the contents of a directory.

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How can I search for a file with fixed name length using ls?

In a directory, I have files like lazer_100506 lazer_100707 lazer_091211 lazer_110103 lazer_100406_temp lazer_100622#delete etc How can I get a listing of only the first four files? $ ls ...
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ls *.* gives: “*.*: No such file or directory” message [duplicate]

I'm using Linux app-server 3.2.0-4-amd64 #1 SMP Debian 3.2.41-2+deb7u2 x86_64 GNU/Linux. When I go to a directory with several files named name1.php, name1.html, name2.php, etc. and type: $ sudo ls ...
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Why does a new directory have a hard link count of 2 before anything is added to it?

Say I just create directory newDirectory and then I do ls -ld command. I see that the number of hard links is 2. What exactly makes the hard link 2 from the start? Also is the number of subdirectories ...
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list all files newer than given timestamp and sort them

I want to list all files (sorted by date) that are newer than timestamp in format 20130207003851 in directory /tmp only. Subdirectories can be omitted. Using SUSE Linux Enterprise Server 11. The ...
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728 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 ...
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534 views

What is the Linux command to display how many file names in the directory end in two digits

What is the Linux command to display how many file names in the directory end in two digits? Using ls with a command like this : ls -l | wc –l *[0-9][0-9]
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236 views

Preserving color output with cut

Using bash interactively I am trying to use cut to prevent the lines from going longer than my terminal width. But when using a command with colorized output all the color gets removed by cut. For ...
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348 views

What could be the use case of changing modified time of a file to the future?

I was reading through the man page of ls on UNIX, specifically OS X Mavericks. This got me intrigued: If the modification time of the file is more than 6 months in the past or future, then the ...
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486 views

'ls -l' file timestamp format

When I issue the command: ls -l The file/directory modification timestamp column (specifically the month part) is displayed in the native language of the country I'm based in instead of English. ...
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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 ...
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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 ...
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syntax of ls --hide= and ls --ignore=

ls --hide and ls --ignore provides the possibility leave out files defined through regular expressions set after the --ignore= part. The latter makes sure that this option isn't turned off via -a, -A. ...
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Pass colors from ls through pipe to awk 'print' statement

This is a follow-up to my question from yesterday, Show sum of file sizes in directory listing. Thanks to Zero Piraeus and a point in the right direction by Mauritz Hansen, I now have function ...
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1answer
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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 ...
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302 views

Set ls color listings based on regex instead of globbing

Is it possible to set regex patterns for color matching in the LS_COLORS variable? So instead of just *.jpg=38;5;220 Can I do \.(jpg|gif)=38;5;220 That's just an example, I'd like to get more ...
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1answer
505 views

ls -l --group-directories-first (act on symlinks as well)

ls option --group-directories-first causes directories to be listed on the top, which makes the output of ls nice and clean: ls -l --group-directories-first However, it does not act on symlinks, ...
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722 views

How to inspect group permissions of a file

I would like to inspect group permissions of a file from a bash script. Specifically, I need to check whether a file has the group writeable bit on. That's it. Simple as that. However: I also need ...
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2answers
483 views

How to ls without recursive

I am trying to ls some files with a pattern in a directory. I only want to scan the first level not recursive. My script: for i in $(ls $INCOMINGDIR/*$BUSSINESSDATE*) do echo $i; done Above ...
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1answer
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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 ...
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2answers
646 views

Why does ls display a non-existing file?

I want to list all the files whose name begins with uppercase: [root@localhost /]# ls /usr/bin/[[:upper:]]* /usr/bin/AtoB /usr/bin/GenIssuerAltNameExt /usr/bin/PKCS12Export ...
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Where is “showing the output of the 'ls' command vertically” documented?

I found out it's possible to show the output of the ls command vertically using the -1 switch: $ ls -1 But couldn't find it in the manual of ls. Is it a secret option?
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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?
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How can I concatenate a single column of output into a list?

I'm using: ls /proc | grep -v "^[0-9].*" to get a list of all the files and directories in /proc that don't begin with numbers. The output is a single column list, i.e.: acpi asound buddyinfo bus ...
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How to search and replace text in all php-files in a directory and it's subdirectories

I am looking for a shell script that recursively traverses all .php files in a directory and performs a search & replace of a particular text pattern. The search pattern is quite long ( > 5000 ...
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recursive 'ls' giving absolute filenames

When I do 'ls -R' in a directory, I get something like ./dir1 dir2 file1.txt file2.txt ./dir1/dir2 file3.txt file4.txt but I would like a command that gives me ./dir1/file1.txt ./dir1/file2.txt ...
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282 views

Putting Files in Ascending order (not on time stamp basis) in Unix [closed]

How do I list files in Ascending manner, not on time stamp basis. EX:- Original listing A_2001 A_2002 A_2003 A_2004 B_2001 B_2002 B_2003 B_2004 Desired output:- A_2001 B_2001 A_2002 B_2002 ...
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177 views

Look if a folder has some files of certain extention

Lets say I have a file structure: $ cd /home/Desktop $ ls -d */ Abc/ Qwe/ Zxc/ Rty/ $ Now I want to iterate through every directory and look if they have any .pdf files. Could some one please ...
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99 views

dircolors: rules for _ext (rather than .ext)

In UNIX, many file extensions do not contain the dot in front, as in bashrc rather than bash.rc or ssh_config rather than ssh.config I would like to add dircolor rules for _config as well. However, ...
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526 views

Total in `ls -l`

When I run ls -l, the following is displayed: >: ls -l total 320 -rw-r--r-- 1 foo staff 633 5 Apr 13:23 A.class -rw-r--r-- 1 foo staff 296 5 Apr 13:24 A.java ... What does the ...
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Valgrind /usr/lib files are not regular Linux files

The problem that I encountered today (on an embedded device with Linux) is that some files (specifically, the Valgrind /usr/lib files) are behaving very strange and they are not copy-able with scp ...
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164 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 ...
3
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132 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 ...
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151 views

Sorting directories by last modified date/time of the same-named contained file

Is it possible, using grep, find, etc, to sort a list of directories by the last modified date of the same-named file (e.g., file.php) within? For example: domain1/file.php (last modified 20-Jan-2014 ...
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1answer
197 views

The -F option for ls

For command ls -F, --classify append indicator (one of */=>@|) to entries Wikipedia says * represents executable and / dir. Regular files are not followed by any of the above ...
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1answer
55 views

Customize bash to always include a certain parameter

When using the "ls" command, bash prints in the following format: file1 file2 file3 file4 file5 file6 file7 file8 But when given the parameter "-1", it prints: file1 file2 file3 etc... Is there ...
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3answers
363 views

Why do ls and hexdump disagree about my file size?

I have a file I created (in vim), for testing purposes (testing UTF-8 output in an SSH client). Odd things, however, are happening to this file. I wondered what bytes were in the file, so I used ...
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1answer
58 views

Why aren't CD image files listed when mounted in current directory?

When mounting a disk image in the current directory using : sudo mount -o loop -t iso9660 wall.iso ./ Listing files in current directory only returns wall.iso . To view the actual files on the disk ...
3
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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]$ ...
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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 ...
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5answers
157 views

List files with line count and date

I want to be able to list files showing the number of lines the each file has and the date. I can happily get the line count using wc -l *. Not a problem. I can get the date using ls -l. Is there a ...
3
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1answer
484 views

It's 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
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2answers
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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 ...
3
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1answer
276 views

How to disable flashing file names in rlogin

I have a strange problem with my rhel 6.4 system. If I do a rlogin to any of my machines, all the files in the remore machine will be flashing and it is so annoying. Can somebody please tell me how ...
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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 │   ├── ...
3
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1answer
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ls gives me different sort orders during a cron job

I have a cron job that, among other things, does a recursive ls of a directory into a file. This gets compared to another file that I've created that, supposedly, contains an identical listing of the ...
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1answer
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ACL, ls, “permission denied” and a lot of questionmarks

I have two users, Alice and Bob. Bob should be allowed to list, ls, Alice's home directory. Alice also has a file in her home directory that Bob should also be allowed to read. I run these commands ...
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Want to sort files by update date including sub-directories

I want to sort only files by update dates including sub-directories. I found out ls -lrtR | grep ^-. but it doesn't seem to sort by update dates. And I need to save this list into a file. Is it ...
3
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3answers
104 views

How to inspect the contents of /dev/sdt?

I have what I hope is not a huge problem, but could end up being a very large problem. For some context, I mistakenly ran this command on my 27'' iMac: sudo dd if=ubuntu-rescue.img of=/dev/sdt ...
3
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216 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?
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= sign at the end of .sock files in the ls output

I'm running the zsh shell in emacs. When I run ls I get a = at the end of .sock files. What does the = mean? Is it unique to unix sockets?