how to find and replace a string in a file using shell script
# replaces ALL(g i.e. global) ouccurences of "original_string" with "new_string",
# in the file file_name.ext_name
sed -i 's/original_string/new_string/g' file_name.ext_namehow to find and replace a string in a file using shell script
# replaces ALL(g i.e. global) ouccurences of "original_string" with "new_string",
# in the file file_name.ext_name
sed -i 's/original_string/new_string/g' file_name.ext_namebash replace substring in string
#!/bin/bash
firstString="I love Suzi and Marry"
secondString="Sara"
echo "${firstString/Suzi/$secondString}"
# prints 'I love Sara and Marry'Copyright © 2021 Codeinu
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