The sed command - Nepali

Questions posted on ST Forums:

• 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
  May 14, 2024, 1:06 p.m. sanniddhachakrabarti@gmail.com

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• 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
  May 14, 2024, 1:06 p.m. sanniddhachakrabarti@gmail.com

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• regular expression

  What is the difference between regular expression and other commands ?

  05-06M 40-50S
  May 14, 2024, 1:06 p.m. sanniddhachakrabarti@gmail.com

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