On 06/08/2010 12:40 PM, Kaushal Shriyan wrote: > Hi, > > can someone explain me about the usage of grep , fgrep and egrep > with examples. > In what contexts i should use which.
The grep man page explains it well enough: > In addition, two variant programs egrep and fgrep are available. > egrep is the same as grep -E. fgrep is the same as grep -F. Direct > invocation as either egrep or fgrep is deprecated, but is > provided to allow historical applications that rely on them to run > unmodified. > -E, --extended-regexp > Interpret PATTERN as an extended regular expression (ERE, see > below). (-E is specified by POSIX.) > > -F, --fixed-strings > Interpret PATTERN as a list of fixed strings, separated > by newlines, any of which is to be matched. (-F is specified by > POSIX.) When in doubt, RTFM. > Please guide/suggest > > Thanks and Regards, > > Kaushal -- Kevin J. Cummings kjch...@rcn.com cummi...@kjchome.homeip.net cummi...@kjc386.framingham.ma.us Registered Linux User #1232 (http://counter.li.org) -- users mailing list users@lists.fedoraproject.org To unsubscribe or change subscription options: https://admin.fedoraproject.org/mailman/listinfo/users Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines
