3
votes
3answers
121 views

Concatenating thousands of files: > vs >>

I found two seemingly contradictory answers on StackOverflow to the following questions: Concatenating Thousands of Text Files Across Hundreds of Directories (while keeping some structure) How do I ...
3
votes
2answers
191 views

Get the complement of the result of an ls command

Let's say I have a directory with multiple files, all of which are either binary files (files with no declared extensions) and source files (.c extension). I do this: $ ls and get: README.md ...
2
votes
1answer
175 views

xargs : using same argument in multiple commands

Am trying to write a one-liner that can probe the output of df -h and alert when one of the partitions is out [or almost] of space. It's the part using xargs that kicking me in the ass now... echo 95 ...
1
vote
3answers
555 views

how to sum output of awk or other expression with xargs

Suppose i have the following bash shell script: #!/bin/bash export count=0; for i in `ls ./mydoc` ;do pdfinfo ./mydoc/$i | egrep Pages |awk {'print $2'} |xargs -+ $count ; ...
5
votes
2answers
442 views

Batch copy to multiple directories

I have about 9000 files in a directory and I want to mv them into 90 files in 100 directories by filename order, ignoring any remainder. In Copy multiple files from filename X to filename Y?, Caleb ...
3
votes
4answers
2k views

Sorting the output of “find”?

I need to be able to alphabetically sort the output of find before piping it to a command. Entering | sort | between didn't work, so what could I do? find folder1 folder2 -name "*.txt" -print0 | ...
7
votes
3answers
236 views

What's wrong with this xargs command?

Consider the output: % { echo one; echo two; echo three; } | xargs -I{} -L1 echo test-{} test-{} one test-{} two test-{} three Why doesn't {} get substituted as per the manual page (and my memory, ...
0
votes
2answers
470 views

Combination of ls, xargs and zcat leads to duplicate file name suffixes?

Disclaimer: Yes, finding files in a script with ls is bad, but find can't sort by modification date. Using ls and xargs with echo everything is fine: $ ls -t1 ssl-access*.gz | xargs -n 1 echo ...
4
votes
4answers
2k views

How to search for a word in entire content of a directory in linux

need to search for something in entire content I am trying: find . | xargs grep word I get error: xargs: unterminated quote How to achieve this? Thanks.
2
votes
1answer
350 views

why isn't xargs parsing my input correctly?

Ive been trying to write a shell script that will interface with cmus and then notify me of the track info using notify-send. Right now it is not working mainly because xargs does not seem to pass 2 ...
11
votes
2answers
486 views

gnu find and masking the {} for some shells - which?

The man page for gnu find states: -exec command ; [...] The string `{}' is replaced by the current file name being processed everywhere it occurs in the arguments to the command, ...
2
votes
3answers
739 views

untar a directory of *.tgz files using a wildcard

I've got a directory that looks like $ ls Broad_hapmap3_r2_Affy6_cels_excluded.tgz DINGO.tgz GIGAS.tgz index.html IONIC.tgz passing_cels_sample_map.txt ...
3
votes
1answer
1k views

Remove files, which provided by pipe

I have this command chain: find . -print | grep php | xargs grep 'eval' -sl | xargs wc -l | grep ' [1-2][0-9] ' This provide me this output: 14 ./includes/js/calendar/lang/vgju.php 18 ...
4
votes
4answers
974 views

Xargs and rm with a *

I am trying to execute the following command ls -d a* | xargs -i sudo rm -rf {}/* The problem is that when I add the /* part the command does not work. I want to remove the directory contents (not ...