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- linux - How does cat lt; lt; 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:
- What is the difference between cat and print? - Stack Overflow
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 converts arguments to characters and concatenates so you can think of something like as character() %>% paste()
- linux - How can I copy the output of a command directly into my . . .
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
- How to cat lt; lt;EOF gt; gt; a file containing code? - Stack Overflow
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
- python - `stack ()` vs `cat ()` in PyTorch - Stack Overflow
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
- linux - Retrieve last 100 lines logs - Stack Overflow
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
- What does cat - mean? Linux operators - Stack Overflow
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
- How to get the last line of a file using cat command
75 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 intended for blah blah purposes 123 Using cat command, how can I get only the last line of the file ?
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