LINUX - RETRIEVE LAST 100 LINES LOGS - STACK OVERFLOW
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 ... From bing.com
WHAT IS THE DIFFERENCE BETWEEN CAT AND PRINT? - STACK OVERFLOW
Aug 6, 2015 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(). From bing.com
CONCATENATION - IN R, CAN I STOP PRINT (CAT ("")) FROM RETURNING NULL ...
If I enter print(cat("")) I get 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 From bing.com
HOW TO ASSIGN OUTPUT OF CAT TO AN OBJECT? - STACK OVERFLOW
Jul 14, 2016 How would it be possible in the example below to skip the step of writing to file "test.txt", i.e. assign the cat-result to an object, and still achieve the same end result? I thought I'd include ... From bing.com
UNIX - DIFFERENCE BETWEEN GREP VS CAT AND GREP - STACK OVERFLOW
Nov 22, 2012 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 … From bing.com
LINUX SHELL COMMANDS CAT AND GREP - STACK OVERFLOW
Jun 6, 2013 I am a windows user having basic idea about LINUX and i encountered this command: cat countryInfo.txt | grep -v "^#" >countryInfo-n.txt After some research i found that cat is for concatenation... From bing.com
HOW TO DISPLAY SPACES AND TABS USING UNIX AND THE "CAT" COMMAND
Nov 19, 2016 I know how to display the files with tabs (aka cat -T filename) but I've been trying to figure out how to show the spaces as well. cat -A filename doesn't work for me, and only replaces tabs with ^I and places $ at the end of the line. How can I utilize cat to print out a file with all tabs and spaces clearly marked? From bing.com
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 … From bing.com
HOW TO FIND OUT LINE-ENDINGS IN A TEXT FILE? - STACK OVERFLOW
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 From bing.com
LINUX - HOW DOES "CAT << 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: From bing.com
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