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
unix - How to pipe list of files returned by find command to cat to . . . 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 to use backticks (`): cat `find [whatever]` This takes the output of find and effectively places it on the command line of cat
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 cat countryInfo txt | grep -v "^#" >countryInfo-n txt After some research i found that cat is for concatenation and grep is for regular exp search (don't know if i am right) but what will the above command result in (since both are combined together) ? Thanks in Advance EDIT: I am asking this as i dont have linux installed Else, i could test it
unix - difference between grep Vs cat and grep - Stack Overflow 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 stdin) then if matches regex prints line to stdout But here there is a detail grep is opened in new shell process so pipe forwards its input as output to new shell process Second one: grep
What does `cat-file` stand for in git? - Stack Overflow While cat does stand for "concatenate", what it actually does is simply display one or multiple files, in order of their appearance in the command line arguments to cat The common pattern to view the contents of a file on Linux or *nix systems is: cat <file> The main difference between cat and Git's cat-file is that it only displays a single file (hence the -file part) Git's cat-file doesn't