From http://stackoverflow.com/questions/471183/-command-line-global-search-and-replace

search_text.sh

# http://stackoverflow.com/questions/471183/linux-command-line-global-search-and-replace

# not recursive. input the file name

sed -i 's/foo/bar/g' *

# recursive

find -name '*.html' -print -exec sed -i.bak 's/foo/bar/g' {} \;


## http://stackoverflow.com/questions/16956810/finding-all-files-containing-a-text-string-in-linux

grep -Rl "CR1" /appl   ## R-recursive  l-filename

grep -Rnw /appl -e 'CR1'  ## n-line number w-word