
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:
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 instead adds a …
How to cat <<EOF >> a file containing code? - Stack Overflow
1 cat with <<EOF>> will create or append the content to the existing file, won't overwrite. whereas cat with <<EOF> will create or overwrite the content.
unix - How to pipe list of files returned by find command to cat to ...
May 14, 2009 · 46 There are a few ways to pass the list of files returned by the find command to the cat command, though technically not all use piping, and none actually pipe directly to cat. The simplest is …
unix - difference between grep Vs cat and grep - Stack Overflow
Nov 22, 2012 · First one: cat filename | grep regex Normally cat opens file and prints its contents line by line to stdout. But here it outputs its content to pipe'|'. After that grep reads from pipe (it takes pipe as …
What does "cat -" mean? Linux operators - Stack Overflow
Mar 10, 2021 · If cat - doesn't stop it's because the symbol "-" is for parameter. And you run cat with no parameter. Actually, it didn't run indefinitely; the shell waits for you to enter the end of the command. …
Linux command (like cat) to read a specified quantity of characters
Is there a command like cat in linux which can return a specified quantity of characters from a file? e.g., I have a text file like: Hello world this is the second line this is the third line And I
What is the difference between cat and print? - Stack Overflow
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 converts arguments to …
How to get the last line of a file using cat command
Oct 18, 2016 · How to get the last line of a file using cat command Asked 9 years, 2 months ago Modified 4 years, 5 months ago Viewed 133k times
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 ...