
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 …
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 …
Windows equivalent for "cat - Stack Overflow
May 26, 2021 · Can someone please shed some light on an equivalent method of executing something like "cat file1 -" in Linux ? What I want to do is to give control to the …
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. …
How do I read the first line of a file using cat? - Stack Overflow
May 24, 2011 · How do I read the first line of a file using cat? Asked 14 years, 5 months ago Modified 5 years ago Viewed 412k times
git - How do I access my SSH public key? - Stack Overflow
On terminal cat ~/.ssh/id_rsa.pub explanation cat is a standard Unix utility that reads files and prints output ~ Is your Home User path /.ssh - your hidden directory contains all your ssh …
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 …
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
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 ...