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:

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. Specifically interested in a cat -based solution (not vim/vi/emacs, etc.). All examples online show cat used in conjunction with file inputs, not raw text...

May 25, 2017 · How can I pipe the output of a command into my clipboard and paste it back when using a terminal? For instance: cat file | clipboard

Aug 6, 2015 · An essential difference between cat and print is the class of the object they return. This difference has practical consequences for what you can do with the returned object.

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 ...

cat <<'EOF' >> brightup.sh or equivalently backslash-escape it: cat <<\EOF >>brightup.sh Without quoting, the here document will undergo variable substitution, backticks will be evaluated, etc, like you discovered. If you need to expand some, but not all, values, you need to individually escape the ones you want to prevent. cat <<EOF >>brightup.sh

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 new index to the new tensor, so you retain the ability # get the original tensor you added to the list by indexing in the new dimension

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. cat is a command that simply reads files. In your example, it will read your file fruits. And the pipe | means the output of cat will be the input of your grep.

Jun 6, 2013 · I am a windows user having basic idea about LINUX and i encountered this command: cat countryInfo.txt | grep -v "^#" &gt;countryInfo-n.txt After some research i found that cat is for concatenation...

I'm trying to use something in bash to show me the line endings in a file printed rather than interpreted. The file is a dump from SSIS/SQL Server being read in by a Linux machine for processing. Are