Globbing means matching files by name patterns containing wildcards.

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0
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4answers
65 views

Foreach loop for ls output

I am trying to process some files in directory using foreach loop for ls output: IFS=$'\n' for i in $(ls -1Atu); do echo "$i" done At first time i thought it works, but when i created file ...
2
votes
2answers
84 views

Is a ? treated in a special way in parameter expansion?

I'm attempting to parse to output from git status --porcelain -b for use in my prompt but I'm coming across strange behaviour when performing parameter expansion. This snippet should demonstrate the ...
6
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2answers
107 views

Exclude one directory in `ls` matching pattern

I'm trying to ls dirs that have .png files inside (no need for recursiveness, though it would be extra useful), exept one. Exlude one directory i.e. ls */*.png works fine. ls (^one)*/*.png ...
2
votes
2answers
53 views

ls pattern matching

I know that [] is working in ls pattern matching: $ ls foo.c foo.h $ ls foo.[ch] foo.c foo.h but I cannot find where this is documented. I would like to know the syntax that would match these: ...
17
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4answers
18k views

rm -rf all files and all hidden files without . & .. error

rm -rf /some/path/* deletes all non-hidden files in that dir (and subdirs). rm -rf /some/path/.* deletes all hidden files in that dir (but not subdirs) and also gives the following error/warning: ...
2
votes
1answer
34 views

Prevent glob expansion in foo=“*”; echo $foo [duplicate]

In Bash, when I do: foo="*" echo $foo It expands * to the contents of the current folder. How do I make sure it just prints a literal *? The same, by the way, happens with a regular echo "$foo", ...
12
votes
3answers
5k views

Recursive glob?

I'd like to write something like this: $ ls **.py in order to get all .py filenames, recursively walking a directory hierarchy. Even if there are .py files to find, the shell (bash) gives this ...
1
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2answers
78 views

How can I select 3 character files in Bash?

I know that a question mark is considered a special character and it has special meaning. Question mark represents a single character that can be any type. In my practice lesson we have an example : ...
3
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1answer
35 views

Shell glob - substitute file path arg with file's contents

In curl command, there is --data option, which substitutes the file contents when the option value is prefixed by @ symbol like, curl -X POST --data @abc.json hostaddr.com abc.json file contents ...
0
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2answers
31 views

is it possible to open files in subdirectories with less?

I sometimes use less to quickly page through a small collection of files using something like less brscan/*/* and then I use :n to cycle through the files If I have a folder/s e.g. brscan/ ├── ...
4
votes
2answers
72 views

Expand wild cards in command before executing it

Suppose I want to type something like this: rm build/* tmp/* I am about to run it but I want to expand the wildcards before executing so I can verify what is about to happen. How can I do this? ...
28
votes
2answers
778 views

find(1): how is the star wildcard implemented for it to fail on some filenames?

In a file system where filenames are in UTF-8, I have a file with a faulty name; it is displayed as: D�sinstaller, actual name according to zsh: D$'\351'sinstaller, Latin1 for Désinstaller, itself a ...
16
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8answers
34k views

List only regular files (but not directories) in current directory

I can use ls -ld */ to list all the directory entries in the current directory. Is there a similarly easy way to just list all the regular files in the current directory? I know I can use find find . ...
3
votes
1answer
117 views

Why does `du -sh *` complain about invalid options?

I've searched my best through Google, but for the life of me I can't figure out what to use instead of * (asterisk) after a recent update (even Wikipedia seems to think du -sh * and du -sh * should ...
29
votes
1answer
2k views

Does 'rm .*' ever delete the parent directory?

The expression .* is expanded by bash to include the current and parent directories: $ ls -la total 2600 drwxrwxrwx 2 terdon terdon 2162688 Sep 10 16:22 . drwxr-xr-x 142 terdon terdon 491520 Sep ...
4
votes
2answers
104 views

brace expansion and * expansion

Assume in the working directory, there is only one djvu file. I would like to backup the file into a file with file name having extra .bk at the end. cp *.djvu{,.bk} copies the djvu file into a file ...
21
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7answers
1k views

`command .*` acts on the parent directory

Someone of our team wanted to recursively change the user permissions on all hidden directories in a users home directory. To do so he executed the following command: cd /home/username chown -R ...
11
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10answers
8k views

How do I create a directory in all subdirectories?

Suppose I have a directory structure like this: $ [~/practice] ls a/ b/ c/ d/ Now I want to create a directory tmp1 in all sub directories of practice and I do this: $ [~/practice] mkdir */tmp1 ...
20
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3answers
950 views

What does .??* mean in a shell command?

The following command will tar all "dot" files and folders: tar -zcvf dotfiles.tar.gz .??* I am familiar with regular expressions, but I don't understand how to interpret .??*. I executed ls .??* ...
3
votes
2answers
45 views

Shell globbing without matching files

I frequently make use of shell file name globbing to do things like operate on all of /dev/sda, /dev/sdb, /dev/sdc, etc by doing /dev/sd[a-f], however, this relies on there being files on disk that ...
1
vote
4answers
92 views

How do I suppress error messages from cp?

I am currently looking ways to suppress error command in Linux, in particular, the command cp. I do: root@ubuntu:~$ cp /srv/ftp/201*/wha*/*.jj ~/. cp: cannot stat `/srv/ftp/201*/wha*/*.jj': No ...
0
votes
1answer
28 views

Glob pattern argument for echo command

echo *.c in bash, treats the argument as a constant and prints *.c. How to force it to consider it as a glob pattern and print the list of files/folders ending with .c?
1
vote
1answer
56 views

Begin a glob with an exclude pattern

I am trying to tweak some completion. Suppose I have: $ ls bar.baz foo_bar.baz foo.bar If I want completion to match all files that don't end in baz: $ shopt|grep extglob extglob on $ ...
14
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2answers
427 views

Can I make `rm` interactive only when using globbing? (in either bash or zsh or both)

Whenever I rm multiple items at once with shell globbing and there's even the slightest possibility that the pattern expands to more than I expect it to, I always try to remember to add -i, but (of ...
11
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2answers
3k views

What is the difference between “du -sh *” and “du -sh ./*”?

The title says it all. What's the difference between those 2 commands? NOTE: I'm more interested in the * and ./* part.
0
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1answer
27 views

Find a file that doesn't include specific characters

I want to find a specific file that doesn't start with a,k,G or Q and in which the third letter in the name is not a digit. I have tried many links, but found nothing regarding to this composite ...
35
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8answers
35k views

Rsync filter: copying one pattern only

I am trying to create a directory that will house all and only my PDFs compiled from LaTeX. I like keeping each project in a separate folder, all housed in a big folder called LaTeX. So I tried ...
4
votes
3answers
4k views

Using OR patterns in shell wildcards

Contents of my dir are $ ls -lrt total 0 -rw-r--r-- 1 user1 admin 19 Oct 8 12:31 night.txt -rw-r--r-- 1 user1 admin 19 Oct 8 12:31 noon.txt -rw-r--r-- 1 user1 admin 38 Oct 8 12:31 day.txt I ...
4
votes
5answers
163 views

How can I use a wildcard to match just files, not directories?

I have a folder called home/homeLife I have a file called home1 home2 and home3 stored in /home I want to move all files that start with home* to home/homeLife/.. I typed mv home* /home/homeLife ...
1
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3answers
42 views

How to can I make Filename Sequencing with the help of Loops

my intention is to keep the code as simple as possible.Here there are 5 files namely A_1.CSV, A_2.CSV, A_3.CSV, A_4.CSV, A_5.CSV The below code retrieves the first row in a CSV file. Code : ...
11
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1answer
30k 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"; ...
1
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1answer
56 views

how to locate a name-not-specified file in bash? [closed]

I have a bash like this to easily upload a file to my server: FILE=../"$1"/1.txt scp 1.txt remoteserver #upload the file to a remote server. The $1 is for input directory and I have a lot of ...
0
votes
1answer
16 views

how to find the files in a directory with Prefix__date_030000_1.txt?

how to find the files in a directory with Prefix__date_030000_Suffix here Prefix is the Actual file name and format of the date is date +%Y%m%d and Suffix is the '.txt' and the 030000 number will ...
1
vote
0answers
63 views

What is the meaning of the string **/* when used with grep?

I came across this picture (below), obviously it is a pun or some kind of allusion incorporating command-line expressions. Frankly speaking I do not understand anything of it except for grep -n. ...
43
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6answers
9k views

The result of ls * , ls ** and ls ***

I know using the command ls will list all the directories. But what does the ls * command do ? I used it and it just lists the directories. Is the star in front of ls means how deep it can list the ...
6
votes
5answers
148 views

execute a command in $PATH matching a wildcard

I'd like to find and execute a command in the current $PATH matching this wildcard libreoffice?.? (eg. libreoffice4.0, libreoffice4.3, etc.) EDIT: if multiple matches are found, you can pick one ...
3
votes
3answers
214 views

How to match * with hidden files inside a directory

How to match the hidden files inside the given directories for example If I give the below command it's not giving the result of the hidden files, du -b maybehere*/* how to achieve this ...
3
votes
1answer
62 views

How do you get the first file in each subdirectory matching a list of file extensions?

How do you get the first file in each subdirectory matching a list of file extensions? My goal is to run a program on just any one of the files in a series of subdirectories. For example, below ...
3
votes
1answer
63 views

Filename expansion from date ranges

Consider dates in the ISO 8601 format i.e. ‘YYYY-MM-DD’, e.g. 2015-01-28, and say we have a folder with files of the form: AAAA_<date>_BBBB I am looking for a glob pattern in zsh (or Bash) ...
8
votes
4answers
18k views

Test if there are files matching a pattern in bash

I am trying to write an if statement in bash to test whether there are any files matching a certain pattern. If there is a text file in a directory it should run a given script. My code currently if ...
3
votes
1answer
104 views

Triple dot wildcards

I have a very large directory structure of source code that is very difficult to work with. I would like to run a tool to transform it to a Maven like structure that works better for me. When I have ...
1
vote
2answers
56 views

List the files of another format while finding a certain name pattern

I had wanted to edit the txt files of videoA and videoB only if the movs files names contains the namespace -test For eg. videoDir |-videoA |- videoA_v001_test.mov |- ...
-1
votes
4answers
265 views

How do I list files ending in txt only on Unix?

I have a directory with nine files in it. 1 ending in .bat 2 ending in .bak 4 ending in .txt 2 ending in .xtxt My question is, how do i list only the files ending in txt, but without the period. ...
10
votes
5answers
865 views

How to get the last N files in a directory?

I have many files that are ordered by file name in a directory. I wish to copy the final N (say, N=4) files to my home directory. How should I do it? cp ./<the final 4 files> ~/
1
vote
1answer
17 views

Getting globbing to work with `locate`?

I'm on Ubuntu 11.04, where I have: $ locate --version mlocate 0.23.1 [...] The man locate page says: If --regex is not specified, PATTERNs can contain globbing characters. If any PATTERN ...
1
vote
3answers
954 views

In a Bash if condition, how to check whether any files matching a simple wildcard expression exist?

Stupidly, I had been using a condition like this as part of a script: if [ $(ls FOO* 2> /dev/null) ] # if files named "FOO*" were downloaded then echo "Files found" # ... process and ...
3
votes
2answers
105 views

Can I use variables inside {} expansion without `eval`?

Can I use variables inside {} expansion without appealing to eval? If so, how? This doesn't work: $ touch 1.foo 1.bar $ ls 1.{foo,bar} 1.bar 1.foo $ extensions=foo,bar $ ls 1.{$extensions} ls: ...
2
votes
2answers
36 views

“dpkg -l” receives shell wildcard character?

In a bash shell where I have globbing enabled if I execute ls -l *ou*, then shell should pass out.dot and out.png as arguments to ls, i.e. ls never sees the * character. However, looks like in case of ...
27
votes
1answer
1k views

Why does my regular expression work in X but not in Y?

I wrote a regular expression which works well in a certain program (grep, sed, awk, perl, python, ruby, ksh, bash, zsh, find, emacs, vi, vim, gedit, …). But when I use it in a different program (or on ...
4
votes
2answers
741 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 ...