I want to take the output from a file and feed it in as arguments for a grep command on the same file that I want to execute against:
:~$ cat example
cat
dog
mouse
ant
:~$ cat example | xargs cat example | grep
Usage: grep [OPTION]… PAT…
I Have grep from file output like:
2531 POKRZYWNIAK KRZYSZTOF 244 18/01 2 13:46 23:26
3346 SOROTA DARIUSZ 244 18/01 1 04:05 13:46
Need to get it look like this:
2531 POKRZYWNIAK KRZYSZTOF 244 18/01 2 13:46 23:26
3346 SOROTA DARIUSZ …
I am trying to create something like neofetch does using bash.
I want to show one image on the right and one ascii art (using the cat << EOF myascii EOF command)
So that I can show a logo and a text on the other side.
I want to use i…
I have a fairly large json file that has been gzipped (json.gz), I need to split this file into smaller files for upload. What would be the best way to do this?
I have used the. cat bash command to split a json/csv previously but it wasn’t…
Let’s say I have a file named plaintext.txt which have 2 lines and a content of
you can be social online by logging in to http://www.facebook.com and http://plus.google.com
alternatively, you can also create an account in http://www.twitte…
Let’s say I have a file named plaintext.txt which have 2 lines and a content of
you can be social online by logging in to http://www.facebook.com and http://plus.google.com
alternatively, you can also create an account in http://www.twitte…
I am learning the cat command of linux, and I found this command :
$ echo ‘Text through stdin’ | cat – file.txt
What does “-” mean here? If I don’t type it , then ‘Text through stdin’ will not be shown.