Hello Guys , This video is about understanding advanced text processing using awk command in linux . awk , being a scripting language for text processing provides various features to process text as per requirement. It also provides various programming features like variables, if else , loops , functions etc that can be used to process text . I had started with explaining the basics of awk command with examples . I had explained pattern and actions of awk command which are two major parts of awk command. I elaborated using pattern matching , regex match , relational expressions pattern , comparison operators , logical OR and logical AND operator , providing range in awk and some special expression patters like BEGIN and END . Some Built in variable like OFS, FS , NR , NF , FILENAME , RS and ORS is also discussed with examples. At the end , I had explained how programming features can be used with awk command.
Topics covered in this video :
awk command in linux
text processing using awk command in linux
Built in awk variables in linux
input field separator FS , output field separator OFS in linux
input record separator RS , output record separator in linux
NR variable in linux
FILENAME variable in linux
BEGIN and END , special expression patterns in linux
awk actions in linux
field comparison using awk in linux
range in awk command in linux
regex in awk command in linux
if else using awk in linux
$0 ,$1 , $2 ... field values using awk in linux
programming features of awk command in linux
comparison operators , logical operators in awk
contains ~ operator in awk command
examples on awk command
awk command in detail
#awk #text #processing #linux

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