Le dimanche 30 Janvier 2005 19:48, Bill Gradwohl a écrit : > According to the grep man page: > Grep understands two different versions of regular expression syntax: > “basic” and “extended.” In GNU grep, there is no difference in avail- > able functionality using either syntax. > > However, the following function differently: > grep -G 'cat|dog|bird' filename (Basic) > grep -E 'cat|dog|bird' filename (Extended) > > Am I interpreting something incorrectly? > > The command : > grep -E 'cat|dog|bird' filename > will output any line that contains cat OR dog OR bird or any combination. > > Does anyone know how to construct a regular expression or in any way get > a single grep execution to do an AND instead of an OR operation so that > it looks for more that one string and matches a line when ALL the items > exist on that line, and are possibly in RANDOM order? > > i.e. Find these lines > cat dog bird > bird dog cat > dog cat bird > etc. > > -- > Bill Gradwohl > bill@xxxxxxx > http://www.ycc.com > spamSTOMPER Protected email hi , heu if you to search an expression in the file or declaration use this cmd line : find . -name ' * ' |xargs grep "bird" 2>/dev/null exmple : i search my function toto in 20 files in my local path i use : find . -name ' * ' |xargs grep "toto" 2>/dev/null bye ... alexandre Priou
