bash sed recursive replace in all files

• find ./ -type f -exec sed -i ’s/string1/string2/g’ {} \;
• find ./ -type f | xargs sed -i ’s/string1/string2/g’
• grep -rl matchstring somedir/ | xargs sed -i ’s/string1/string2/g’
• grep -rl matchstring somedir/ | xargs sed -i ’s|string1|string2|g’
• sed -i ’s/oldText/newText/g’ `grep -ril ‘oldText’ *`
• rpl -x’.cpp’ -x’.h’ -pR “old-string” “new-string” *

• find . -type f -print0 | xargs -0 perl -i.bak -pe 's/subdomainA\.example\.com/subdomainB.example.com/g'
  

s//g - g on the end will replace globally – all instances of string1