Questions tagged [cat]
A UNIX utility for concatenating files or input streams together. Do not use for questions about the animal.
143
questions
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select columns on cat command
I use a file as a little db table. The content is like this:
client1 john doe engineer cal
client2 jane doe nurse ny
client3 ali veli doctor ny
I want to find ...
2
votes
3
answers
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add new line after every end of file's contents while merging multiple files
I have written shell script to merge different file's contents I have created directories f1,f2,d1,d2 and files under them , I need to merge all files's contents : comand is
(find /home/ah5024331/f1 ...
20
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7
answers
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how to copy entire linux root filesystem to new hard drive on with ssh and tar
I need to transfer an entire linux root filesystem off of a failing hard drive onto another computer with an open, available partition. I've pretty sure this involves tar and ssh, but I can't remember ...
0
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1
answer
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How to get the return value of pipe and executable on Windows
I am running some unit tests which involve piping into my executable, like this.
cat text.txt | my_exe --options
Running these commands, how do I get the return value of my_exe? Even when my_exe ...
33
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3
answers
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Using -replace on pipes in powershell
I want to test out a replace before I use it, so I'm trying to write a quick online command to see what the output is. However, I'm not sure what the syntax is. What I want to do is something like
...
56
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Unix cat starting from line
What is the best way to output from a file starting from a specific line (big number like 70000). Something like:
cat --line=70000 <file>
0
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1
answer
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how to output only a specific known line number using cat or head/tail
I know how to use head or tail to output a certain number of lines, but how do I output only a specific line number(s)?
Something like:
head --only-line=73 <file>
2
votes
1
answer
212
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cat files based on substring match
I have file names in the following format and I would like to cat files based on substring match(Orange,Apple) and a constant(S4,S5),
file names example _S6_trimmed_, _S8_trimmed_, _S9_trimmed_, ...
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Atime don't change on mounted drive
i have CentOS Stream 9.
when i mount a usb drive and create a file using touch command the Access time in stat command don't change and stays:
"Access: 2023-06-20 03:00:00.000000000 +0300"
...
2
votes
1
answer
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how do i combine 2 pdf documents into 1 in the terminal?
I have 2 files written in Markdown which I used pandoc to convert into pdf. I now need to combine the 2 into one single document(lets say I have many that I need to combine into a single pdf). Is ...
1
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0
answers
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cat through ssh does not work, it hangs on "debug2: exec request accepted on channel 0" and scp never finishes
I trying to print a file through ssh on CentOS7 but it does not work somehow :
$ time timeout 60s ssh -vvv SERVER-01 cat /etc/yum.repos.d/CentOS-Base.repo
OpenSSH_7.4p1, OpenSSL 1.0.2k-fips 26 Jan ...
21
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7
answers
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Cat file to terminal at particular speed of lines per second
I'm lazy and I could write a script to do this, but I'm even too lazy to think of how to do it.
I often do things like :
cris$ python runexperiment.py > output.txt
cris$ cat output.txt
...
2
votes
0
answers
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Cat with gun parallel does not continue as expected
Here is my code.
file_name="all_parts"
find parts/ -type f > ${file_name}
while read part
do
echo processing ${part}
cat ${part} | parallel -j 100 'wget {} -o logs/...
19
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7
answers
55k
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Cat command and echo
I'd like to concatenate the output from echo with content of a file. I've tried the following comand:
echo "abc" | cat 1.txt > 2.txt
but the 2.txt file only contains the content from 1.txt. Why ...
1
vote
1
answer
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How does Git for Windows' cat.exe deal with charset encoding?
I'm testing the behaviour of Windows terminal (cmd.exe) in relation to charset encodings. I have some test files in several encodings (Win1252, CP437, UTF-8, etc) with the Spanish text: "qué tal&...