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Full Discussion: Find exact string
Top Forums UNIX for Dummies Questions & Answers Find exact string Post 302234203 by Swapna173 on Tuesday 9th of September 2008 09:54:10 AM
Old 09-09-2008
this does not work if i use it in the for Loop. In fact it search the string in the beginning and there are lines where the beginning string matches. there this one does not work.
Last edited by Swapna173; 09-09-2008 at 11:09 AM..
 

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LEARN ABOUT NETBSD

look

LOOK(1) 						    BSD General Commands Manual 						   LOOK(1)

NAME

     look -- display lines beginning with a given string

SYNOPSIS

     look [-df] [-t termchar] string [file]

DESCRIPTION

     The look utility displays any lines in file which contain string as a prefix.  As look performs a binary search, the lines in file must be
     sorted.

     If file is not specified, the file /usr/share/dict/words is used, only alphanumeric characters are compared and the case of alphabetic char-
     acters is ignored.

     Options:

     -d      Dictionary character set and order, i.e. only alphanumeric characters are compared.

     -f      Ignore the case of alphabetic characters.

     -t      Specify a string termination character, i.e. only the characters in string up to and including the first occurrence of termchar are
	     compared.

     The look utility exits 0 if one or more lines were found and displayed, 1 if no lines were found, and >1 if an error occurred.

FILES

     /usr/share/dict/words  the dictionary

COMPATIBILITY

     The original manual page stated that tabs and blank characters participated in comparisons when the -d option was specified.  This was incor-
     rect and the current man page matches the historic implementation.

SEE ALSO

     grep(1), sort(1)

HISTORY

     look appeared in Version 7 AT&T UNIX.

BSD
								   June 14, 1993							       BSD
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