Questions tagged [xargs]
utility in Unix-like operating systems for passing large numbers of arguments to programs that can only take a small number of arguments
181
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How do you move (mv) in ZSH all files from current directory except two or more to a child directory?
(There is plenty of information about this on bash, but much less on zsh and NOT AT ALL for TWO or more files. No idea how to apply the ^ ("caret") TO MORE THAN ONE FILE).
I want to know (...
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1
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33
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xargs and echo limited number of replacements
I want to duplicate some text a few times.
Xargs doesn't do more than 5 items.
I don't know if there is a better way to do this.
echo "sometext " | xargs -n 9 -t -I RRRR echo RRRR RRRR RRRR ...
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xargs syntax if single invocation shall be: cmd "url-without-whitespace" "File Name with Whitespace.suffix"
processing-list.tsv contains two separated columns:
1st column: URL without whitespace. If, then encoded as + or %20.
2nd column: The desired output file name, often with whitespace.
https://example....
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Why is xargs unable to call basename properly in a subshell?
I ran into the following problem:
user@machine:/$ echo ./dir/fil | xargs -I {} bash -c "echo $(basename {})"
./dir/fil
Why is it not just printing fil?
So basename seems to get the expected ...
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1
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1
answer
3k
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Using jq with xargs
I have a json-file with n users. I need to replace the id-field with a different UUID for each user. After that, I need to make n curl calls with the json as payload. How can I achieve this?
My json ...
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0
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2
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90
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Find files in git that have entry in .editorconfig
I want to find all of the files in git that have some extensions. The list of extensions is generated from my .editorconfig file.
Say I have a list of file extensions such as:
.css
.html
.java
.js
(...
0
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1
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Why does `xargs` not work with `echo` but work with `ls`?
root@home:~$ ls
root@home:~$ echo abc > z1
root@home:~$ echo xyz > z2
root@home:~$ ls
z1 z2
root@home:~$ ls | xargs -I{} cat {}
abc
xyz
root@home:~$ echo z1 z2 | xargs -I{} cat {}
cat: 'z1 z2': ...
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0
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1
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259
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grep for lines in shell script, send to xargs with $1 set
I have a shell script (I use GNU bash 4.4.20 on Ubuntu 18.04) with a list of commands I often run, e.g.:
sudo program1 $1 foo arg1
sudo program2 $1 foo arg2
sudo program1 $1 bar arg3
sudo program2 $1 ...
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1
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2
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149
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Generalized chmod function differentiating between directories and files (i.e.: with find)
Is there a generalized bash function available that mimics chmod in every aspect, except that it also let's me differentiate between files and directories?
I know there's already numerous examples ...
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2
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1
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731
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How to batch delete the redis keys from local machine and through a jump machine inside kubernetes cluster?
I need to delete some keys in my redis cluster which can only be accessed from a jump machine deployed in the kubernetes cluster.
So if I know the key I can delete it by the following command without ...
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0
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1
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199
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awk multiple commands and multiple args
I'm trying to turn this output:
❯ hg branches -T'{node} {branch}\n'
4b0826975cb29da26a6dd13f463241463c43c6a7 maria
5c31751cdb774f8b6337b6f64232b15903530997 default
Into these commands:
hg bookmark -r ...
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2
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271
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xargs how to string commands together
Hey guys im a newbie scripter with no formal training in programming so apologies in advance for the messy code.
What I want to accomplish:
This what directories look like.
/home/AAA
/home/BBB
/...
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2
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1
answer
2k
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xargs and git issues in windows powershell
I've been using the following command to delete any merged git branches:
git branch --merged | grep -v "\*" | grep -v "master" | grep -v "staging" | xargs -n 1 git branch ...
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1
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3
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3k
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Why does xargs split on spaces even with -0?
According to the docs and advises on the internet, any of these:
$ ls $(env -0 | xargs -0)
$ ls $(env | xargs -d '\n')
given LESSOPEN is | %s _=/usr/bin/env should produce this:
...
ls: cannot access ...
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0
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2
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Symlinking with (i.e.) find | sed | xargs without xargs: argument line too long
I got stuck at symlinking using find, xargs and sed.
Given folder structure:
/abc
/def
/*/def
/builds
on my local machine the following statement works.
find ./abc \
-type d \
-...
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1
vote
2
answers
133
views
How to exit less follow mode without exiting less when xargs is used?
ls -rt *.log | tail -1 | xargs less +GF
I use this command to tail -f my logs, but when I ctrl+c to exit follow mode, it quits less too.
I think it is caused by xargs, because if you just less <...
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2
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890
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Accessing parent and grandparent directory from linux find and passing to xargs
I'm trying to do a batch imagemagick conversion on all tiffs in directories.
The structure of the directories looks like:
test
123
456
image.tif
256
857
...
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1
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1
answer
365
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xargs run bash script with threads (2 arguments)
I have a file in the following format:
"192.168.2.1" "80"
"172.16.1.1" "443"
"10.1.1.1" "8080"
which contains multiple local IPs and i'm trying to run a script with threads using xargs to execute ...
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0
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1
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195
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Why does xargs with cp fail for recursion?
I am trying to copy files from one directory into a whole collection of other directories, such that the set of files in the source directory will be present in every one of the destination ...
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1
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1
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1k
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delete several permanent entries from arp table by command line
I am trying to remove the permanent entries from my arp table. but the following command only removes those that are not permanent
ip -s -s neigh flush all
With the arp utility I was able to ...
- 711
2
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1
answer
313
views
Why does `echo | xargs > >(cat)` hang on my Mac?
This is reproducible in zsh and bash.
Confusing me further, echo | ( xargs; : ) > >(cat) does not hang. This is also reproducible in zsh and bash.
If I use GNU's xargs as provided by brew ...
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3
votes
2
answers
5k
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Bash Script to delete oldest files but keep latest files including sub-directories
I'm trying to delete old files but should keep latest 3 days log files.i tried below command,
ls -tr /home/httpd/htdocs/pathname/pathname/config//build/logs/apps/.log | tail -n +4 | xargs rm --
but ...
1
vote
2
answers
690
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Similar commands with find are not outputting the same
I'm trying to run a find command on a directory which contains unit files:
find /home/pi/units -type f -name "*.service"
which returns
/home/pi/units/manager.service
I then want to pipe that ...
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1
vote
1
answer
281
views
In "find ... | xargs ...", why does xargs iterate even when find returns zero results?
I recently had a find ... | xargs ... use case that surprised me. The issue involves the case where find returns no matches.
Testing on two systems, I found that one behaves as I would expect:
$ ...
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6
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1
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767
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Using xargs with pdftk
I am using the following code to concatenate all the pdf files in the current directory:
find . -iname '*.pdf'|sort|xargs|xargs -I {} pdftk {} cat output union.pdf
The first invocation of xargs has ...
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2
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2
answers
487
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Use tmux attach with xargs
I'd like to create an alias that lets me browse all of my tmux windows with FZF and then attach that single window. What I have so far:
tmux list-windows -t main -F '#{session_name}:#{window_name}' | ...
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0
votes
1
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85
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Find and rename first result in linux?
I have try using this commanline.
find *.txt | head -1 | xargs -0 mv *.txt test.txt
i receive.
mv: target ‘02.txt\n’ is not a directory
What wrong :(?
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1
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2
answers
4k
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How to get line number in xargs?
I want to upload some files to machines in parallel. There's a list of hosts and a list of files that should be uploaded by index: 1.txt goes to hostOne, 2.txt goes to hostTwo etc. Here's what I try ...
- 1,806
2
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1
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6k
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using xargs pass arguments to sub shell with pipe
I want to rename a number of files. I think I can use xargs to do it.
find ./ -name "upload.log-*"
./upload.log-20180622.gz-20180624.gz-20180626.gz
./upload.log-20180624.gz-20180626.gz
./upload.log-...
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0
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1
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1k
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Pass command output as argument in grep
I want to compare two text files for changes line by line. If the files are store locally I know I can do it with
grep -Fxvf file1 file2
I have a problem because file 2 is in Hadoop File System. I ...
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1
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140
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Replacing a line in multiple files
I have a list of files and corresponding line numbers where I want to perform the substitution:
s/LOG.error/LOG.warn
There are other places where this might occur and don't want to disturb those ...
- 223
1
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1
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532
views
How to move the folders to new directory based on their match in csv file?
In my present directory I have many folders like F1, F2, F3, F4, F5, F6, F7, F8, F9, F10.
I have a csv file "dan.csv" in the present directory which has a column with folder names.
csv file looks ...
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4
votes
3
answers
1k
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How to pipe a single item from a command output into another command?
Basic example using grep (note that grep would not be my only use-case for this):
$ grep -Irl "foo"
path/to/directory/help.js
path/to/directory/config.js
path/to/directory/task.js
Now I want to open ...
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3
votes
1
answer
3k
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Specify a list of files as input into pdftk
I have a list of files that I need to specify as input to pdftk so it will concatenate them in the order specified. I don't see an input file list as an option in the pdftk man page, but perhaps ...
- 133
0
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2
answers
1k
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Find get the files I want,the pipe to xargs and Tar don't
I'm using the following command line:
find . -mtime -15 -mtime 0 -print0 | xargs -0 tar cjvf /home/user/adjuntos.tar.bz2
The left side of the pipe works like a charm, but the right side of the ...
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0
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2
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41
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find a file and send some text to it
I would like to find a file in folder /opt and send some text to it. I tried the following syntax:
sudo find /opt -name filename-*.conf | xargs -I '{}' echo "text_to_send" > '{}' \;
Unfortunately,...
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1
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1
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458
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What does this do? `Find ... -type d|xargs chmod 770`
What does these two lines do?
find /backup/folder -type d|xargs chmod 770
find /backup/folder -type f|xargs chmod 660
I googled around, but can't figure out what d|xargs and f|xargs does.
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2
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281
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Cannot make xargs construct to work
I have a strange problem with xargs.
I have an xargs construct which does not work, even though
when I echo the command, it works perfectly.
My one liner is the following:
exiftool -p ...
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0
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1
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257
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ssh into a machine and search for process, kill using xargs
I am doing this,
guastest@iridium06.psc ~> ssh <machine> jps | gawk '$2 == "<process>" {print $1}' | xargs kill
kill: sending signal to 75797 failed: No such process
guastest@iridium06....
4
votes
3
answers
2k
views
Add text to list of files
I'm trying to use xargs to manipulate a set of files.
A file called filelist.txt contain the file names
john
paul
george
ringo
steve
I can create all these files with this command:
cat filelist....
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4
votes
1
answer
8k
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xargs on windows: No such file or directory
I wanted to resync the tags on my local git repository with the ones on our remote server, using this answer provided on StackOverflow:
git tag -l | xargs git tag -d
git fetch --tags
I've got git ...
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votes
2
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746
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oldest to newest file in directory tree and delete each file interactively
In the step 1, I am trying 'find' the oldest file in directory tree, which I solved by following this question.
Now I want to use xargs to delete interactively from oldest to newest.
Since this ...
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3
votes
2
answers
3k
views
Multiple read from a txt file in bash (parallel processing )
Here is a simple bash script for HTTP status code
while read url
do
urlstatus=$(curl -o /dev/null --silent --head --write-out '%{http_code}' "${url}" --max-time 5 )
echo "$url $...
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1
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2
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2k
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Piped xargs doesn't execute the command
I want to monitor nginx access.log for malformed requests and notify myself about such cases.
To do this i have written following command:
tail -n0 -f access.log | grep --line-buffered '\{' | ...
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0
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1
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2k
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Use xargs on file or content that contains quotes/single quotes
I am having difficulty using xargs with files with ', is there a way to by pass this problem?
$ find . | xargs -I FILE echo FILE
xargs: unterminated quote
file name
$ ls
mike's sample 16
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1
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1k
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How to generate a list of URLs in bash?
How can I generate a list of URLs in bash so that I can pipe them to xargs and then to curl?
http://somewebsite.com/{}.file
where {} is a number.
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1
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1
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2k
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How to launch multiple urls per process with cURL?
I am trying to download a list of URLs with cURL with multiple URLs per process. The following works but it returns a weird result if the xargs -L parameter is more than 1. I want to launch 8 ...
- 21
1
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0
answers
72
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Summing selective du sizes output
I am trying to find out how much space is consumed in total by files exceeding 50M in size. I am able to generate a list of file sizes with the following command:
find $PWD/soccer -maxdepth 50 -type ...
- 1,365
1
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1
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220
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How to rename multiple file name include subfolders?
For example i have the following files:
./dirA/fileA.png
./dirA/fileB.png
./dirA/fileC.png
./dirB/fileD.png
./dirB/fileE.png
./dirB/dirC/fileF.png
Is there any one line command or script to rename ...
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1
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1
answer
103
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How to pass console input to xargs
I am trying to pass a file name as an argument to wc -l through xargs.
Below is the command I tried:
cat > xargs wc -l
I am getting below error
cat: invalid option -- 'l'
Try 'cat --help' for ...
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