linux replace string in all files
sed -i 's/old-text/new-text/g' input.txtlinux replace string in all files
sed -i 's/old-text/new-text/g' input.txtHOW TO REPLACE A CHARACTER FROM A STRING IN BASH
string="abc"
final=${string//[a]/b}
echo $finalCopyright © 2021 Codeinu
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