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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:
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
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()
What does the cat command in Powershell mean? cat is a synonym for the Get-Content command, which simply reads the content of document referenced by the passed parameter and outputs to the standard output the contents of it
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
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 does an SSL certificate chain bundle work? - Stack Overflow The original order is in fact backwards Certs should be followed by the issuing cert until the last cert is issued by a known root per IETF's RFC 5246 Section 7 4 2 This is a sequence (chain) of certificates The sender's certificate MUST come first in the list Each following certificate MUST directly certify the one preceding it See also SSL: error:0B080074:x509 certificate routines:X509
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
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