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how to use sed output to overwrite existin file Code Example
linux replace string in all files 
sed -i 's/old-text/new-text/g' input.txt
sed replace in file 
sed -i 's/foo/bar/g' hello.txt
Source: www.cyberciti.biz
how to use sed output to overwrite existin file 
# Finds a specific string with regex and appends content
# overiding existing file. 
sed '/regex/a' <file> | tee <file>
# Example
sed '/\[task_concurrency\]/a 'execute=True'' carbon.cfg | tee carbon.cfg



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Type:
 Code Example
Category:
 Coding
Sub Category:
 Code Example
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Horje