The sed command - Oriya

Questions posted on ST Forums:

• grep and sed

  grep -i "computer" seddemo.txtsed -n '/[cC]omputer/p' seddemo.txtThis two command display the same thing, then what is the difference between them?

  07-08M 20-30S sanniddhachakrabarti@gmail.com
  
  
  Answer last updated on: March 19, 2021, 2:32 p.m.

  ---

• regular expression

  What is the difference between regular expression and other commands ?

  05-06M 40-50S sanniddhachakrabarti@gmail.com
  
  
  Answer last updated on: March 16, 2021, 12:40 p.m.

  ---

• store result in file

  sed -n ' /[cC]omputers/w student.txt' seddemo.txtsed -n '/[cC]omputers/p' seddemo.txt > student.txtoutput of both this command is same, then what's the difference ?

  07-08M 20-30S sanniddhachakrabarti@gmail.com
  
  
  Answer last updated on: March 11, 2021, 5:57 p.m.

  ---