linux - How does "cat << EOF" work in bash? - Stack Overflow
The cat <<EOF syntax is very useful when working with multi-line text in Bash, eg. when assigning multi-line string to a shell variable, file or a pipe. Examples of cat <<EOF syntax usage in Bash:
Can linux cat command be used for writing text to file?
cat "Some text here." > myfile.txt Possible? Such that the contents of myfile.txt would now be overwritten to: Some text here. This doesn't work for me, but also doesn't throw any errors. …
python - `stack ()` vs `cat ()` in PyTorch - Stack Overflow
Apr 1, 2022 · xnew_from_cat = torch.cat((x, x, x), 1) print(f'{xnew_from_cat.size()}') print() # stack serves the same role as append in lists. i.e. it doesn't change the original # vector space but …
What does the "cat" command in Powershell mean?
Feb 27, 2021 · cat is a synonym for the Get-Content command, which simply reads the content of document referenced by the passed parameter and outputs to the standard output the contents of it.
What is the difference between cat and print? - Stack Overflow
Aug 6, 2015 · 58 cat is valid only for atomic types (logical, integer, real, complex, character) and names. It means you cannot call cat on a non-empty list or any type of object. In practice it simply …
How to get the last line of a file using cat command
Oct 18, 2016 · 74 I am writing a shell script in OSX (unix) environment. I have a file called test.properties with the following content: cat test.properties gets the following output: //This file is …
How does an SSL certificate chain bundle work? - Stack Overflow
The original order is in fact backwards. Certs should be followed by the issuing cert until the last cert is issued by a known root per IETF's RFC 5246 Section 7.4.2 This is a sequence (chain) of …
cat: invalid option -- 'F' error trying to run linux command from ...
May 30, 2017 · cat: invalid option -- 'F' As you can see above I have kept the command to run in a list which is than run by python subprocess module The problem here is the first command with ssh …
Looping through the content of a file in Bash - Stack Overflow
Oct 6, 2009 · My "cat" method is similar, sending the output of a command into the while block for consumption by 'read', too, only it launches another program to get the work done.
linux - Retrieve last 100 lines logs - Stack Overflow
Aug 6, 2018 · I need to retrieve last 100 lines of logs from the log file. I tried the sed command sed -n -e '100,$p' logfilename Please let me know how can I change this command ...