SavetheWorld 1188775482 learn http://wooledge.org/mywiki/BashFAQ#faq21 -- How can I replace a string with another string in all files?
greycat 1239379800 forget
greycat 1239379826 learn http://mywiki.wooledge.org/BashFAQ/021 -- How can I replace a string with another string in all files?