11-24-2008
Quote:
Originally Posted by
prsshini
GREAAAAAAAATTTTTTTTtt.... WORKED PERFECT!!!!!!! THAAAAAAAANKKKK YOUUUUUUUUUU... Could you tell me how do u manage to build these commands.. I also read manual but I am not able to do it at this level.. Is there anything else that i should read to get this level of knowledge. Please guide. Thank you again a lot for your patience and rendering me this help. Good Luck and please guide me to improve my Unix knowledge. Thank you.
There are a lot of manuals and tutorials on the net. It's a matter of reading and experiencing it yourself.
Try to solve the problems on this forum you're interesting in (search for awk) and compare your solution with the others.
Regards
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GREP(1) General Commands Manual GREP(1)
NAME
grep - search a file for lines containing a given pattern
SYNOPSIS
grep [-elnsv] pattern [file] ...
OPTIONS
-e -e pattern is the same as pattern
-c Print a count of lines matched
-i Ignore case
-l Print file names, no lines
-n Print line numbers
-s Status only, no printed output
-v Select lines that do not match
EXAMPLES
grep mouse file # Find lines in file containing mouse
grep [0-9] file # Print lines containing a digit
DESCRIPTION
Grep searches one or more files (by default, stdin) and selects out all the lines that match the pattern. All the regular expressions
accepted by ed and mined are allowed. In addition, + can be used instead of * to mean 1 or more occurrences, ? can be used to mean 0 or 1
occurrences, and | can be used between two regular expressions to mean either one of them. Parentheses can be used for grouping. If a
match is found, exit status 0 is returned. If no match is found, exit status 1 is returned. If an error is detected, exit status 2 is
returned.
SEE ALSO
cgrep(1), fgrep(1), sed(1), awk(9).
GREP(1)