Replace Each Word "china" with "India" In A Given File

Write A Shell Script To Replace Each Word "china" with "India" In A Given File

Shell Script:

clear
echo "before replacing the file is"
cat a1.txt
sed 's/china/india/' a1.txt > a2.txt
echo "after replacing the file is"
cat a2.txt



OUTPUT:

[admin@localhost indiachina]$ sh indiachina.sh 
before replacing the file is
china is good
china is best
after replacing the file is
india is good
india is best