Questions tagged [cat]
A UNIX utility for concatenating files or input streams together. Do not use for questions about the animal.
28
questions with no upvoted or accepted answers
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CMD equivalent of cat >> text.txt
type >> text.txt doesn't work on Windows. I want it to prompt me to enter text into the document and then allow me to finish by entering control + d.
3
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What is the "next cell character" when coping and pasting from a table?
You know when you copy a row from a table and paste it into another one it is in the correct place. So what is the character that is between cell values when this operation is performed.
Eg. I have ...
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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/...
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2
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answers
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the hash for the file is not present in the specified catalog file- Creating a .cat file for an edited .inf?
I got a rock candy xbox360 controller today and its not plug and play as an xbox 360 controller on pc. I edited the .inf file and now the driver may work, but i dont know how to make the .bat file ...
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2
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0
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Linux: cat /dev/video0 TS into some kind of ring puffer
I want to cat a /dev/video0 device output (Transport Stream) into a temporary ring buffer. In fact i do not want that the file is growing over the time. Simultaneously access is not possible.
So the ...
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1
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0
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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 ...
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1
answer
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Is there a way to pass an ffmpeg command from a text file in Windows?
I was wondering if there was a way to pass one (or multiple) arguments from a text file for ffmpeg.
I tried a bit here with this in powershell (expecting it to work like linux but to no avail
ffmpeg -...
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1
vote
1
answer
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How to overwrite with a pipe in unix
So I am attempting to overwrite using a pipe:
//reads contents of file| turns lowercase to uppercase | changes $ to # |
// then attempts to overwrite original file with new version
cat ...
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1
vote
1
answer
451
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cat files from pipe
I have to join files to one original file, which was split. There is a catalog, in which there are a lot of files,but no every is necessary. I have file with md5sum, which contain md5sum files I have ...
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0
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Cat playing with mouse broke my Windows/Explorer :( Cannot click buttons in most of standard apps/menus
My mouse was laying on a sofa (I was going to clean it a bit) and my cat suddenly decided to play with the mouse (while the start menu was opened). Nothing serious happened with it during these 10 ...
- 177
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3
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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 ...
- 199
1
vote
1
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Empty line appears while merging different file contents in shell script
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 /...
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1
vote
1
answer
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head and cat don't recognize Microsoft Excel text files
I have a large .xls file with 53760 rows and 19 columns. I saved it as Tab Delimited Text in order to pre-process it through command line tools and load it into R later. However, when I run
head ...
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1
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2
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Terminal is Stuck in "cat"
A while back I recall attempting to install an updated version of Ruby on my Mac. I had an interest in the language and thought I would give it a go. I followed detailed instructions that lead me ...
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3
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Move multiple files from filename list to a new folder
I have a list of filename in list.txt, which have 'abc1.png, abc2.png, abc3.png....'.
However, I don't know the directories where the files are.
I want to find all files in the txt file, and move ...
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1
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How to cat a local file to a remote printer using Linux
On DOS we can:
NET USE LPT1: \\remote-pc\shared_printer
COPY file.txt > LPT1
I know on Linux I can print to local usb printer:
cat file.txt > /dev/usb/lp2
But how to print to a remote (Linux ...
0
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1
answer
651
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Using cat in conky_parse doesn't work
I'm trying to show the name of my shell in conky. I can capture the name of the shell using this command:
cat /proc/$$/comm
But when I use this in my script.lua file, like this:
text = 'Shell: ' .. ...
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0
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1
answer
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How to add a counter starting from a number other than 1?
I have a file where I need to add 200 more lines, but I'd like to know how to renumber them automatically. The file has the following structure:
col1\tcol2\tdb4444\tcol4\tcol5\tcol6\tcol7\tcol8\tcol9\...
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How to sign drivers properly for Windows 10
I am currently developing drivers for Windows 10, and I also have a code-signing certificate. When I sign my files, they get the signature and a hash set in the properties. However, Windows 10 refuses ...
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Adding Tag Data to File
For a security product (data loss prevention) my group is trying to tag files with specific keywords to allow for HR/Legal to specifically flag files for tracking by our DLP software. Currently the ...
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2
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Recover text file that I deleted with "cat" command
I used
cat > filename
while not thinking about it, then hit
ctrl + c and naturally enough the file is now empty... Is there a way to recover that file's contents?
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Piping a line of the file read with while read loop
I am trying to read each line of the file and then assign some parts of it to variables. A line itself is read as a variable so I need to process a variable input say for cat which seems to be ...
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cat > $FILE_NAME << EOF - Explanation of the inner workings
I know what this one does, I learned "pattern like" and just works.
I also know:
that > is a redirect to a file
that << is also a redirect to file see below
EOF is just a placeholder, when ...
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556
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How to uninstall screen (monitor / display) drivers?
While testing out some different computer screens (also called displays or monitors) on a Windows 7 SP1 system, I installed the .INF files for each screen. I also installed the .ICM (color matching ...
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Unix cat to Windows user
I uploaded about 6GB of video in 3 separate files created using the cat command on my Mac, thinking the recipient of those files was a Mac user as well. It turns out he's using Windows 8. How can he ...
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Special and diacritic charactres using less, cat and other linux tools
I am using GNU bash, Version 4.1.10(4)-release (i686-pc-cygwin) and set up my .inputrc to allow for special characters and German umlauts etc.:
set meta-flag on
set convert-meta off
set output-meta ...
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Why does echo work through pipe but not cat with msmtp?
This works:
echo "yada yada" | msmtp [email protected]
but not this:
cat yadayada.txt | msmtp [email protected]
which delivers the email with empty content.
Why does echo work through pipe but not cat ...
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907
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Combining multiple data files with header while also adding a data column
I have multiple tab delimited data files that are separated by month in the format jan06.txt, feb06.txt, ..., dec07.txt.
Within each file, it looks something like:
Header1 Header2 Header3 ...
Data1 ...
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