One Day One Command :-
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grep -- (Global Regular Expression Print)
Print lines matching a pattern
Summary:
`grep' searches the input files for lines containing a match to a
given pattern list. Grep has a no .of useful options and support
regular expressions.
Examples:
$ grep -i bharathi Midas.txt -- Print the lines which contains string
"bharathi" in the Midas.txt file
$ grep -v bharathi ILUGC.txt -- Print the line which is not the
string "bharathi"
$ grep "^A" file -- Prints the line starting with A.
$ grep "Z$" file -- Prints the line with ending letter Z.
$ grep -c "Linux" file -- Prints count of match.
$ grep '^[012]' file -- Prints the line starting with 0/1/2
Read : info grep / egrep / fgrep
Bye :)
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Bharathi S