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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:
  • 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 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
  • What is the difference between cat and print? - Stack Overflow
    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
  • 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
  • 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
  • concatenation - in R, can I stop print (cat ()) from returning NULL . . .
    I want to use cat() to print out the progress of an R script, but I don't understand why it is returning NULL at the end of all of my concatenated strings, and more importantly, how to get it to stop?
  • 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 Shell commands cat and grep - Stack Overflow
    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




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