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Top Forums UNIX for Dummies Questions & Answers Using grep to find strings of certain lengths? Post 42776 by google on Tuesday 4th of November 2003 05:25:43 AM
Old 11-04-2003
To Simerians point, his regexp accounts for files that start with both upper case and lower case letters. Adding the switch "-i" to the other grep examples will allow you to ignore case.
 

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look(1) 							   User Commands							   look(1)

NAME
look - find words in the system dictionary or lines in a sorted list SYNOPSIS
/usr/bin/look [-d] [-f] [-tc] string [filename] DESCRIPTION
The look command consults a sorted filename and prints all lines that begin with string. If no filename is specified, look uses /usr/share/lib/dict/words with collating sequence -df. look limits the length of a word to search for to 256 characters. OPTIONS
-d Dictionary order. Only letters, digits, TAB and SPACE characters are used in comparisons. -f Fold case. Upper case letters are not distinguished from lower case in comparisons. -tc Set termination character. All characters to the right of c in string are ignored. FILES
/usr/share/lib/dict/words spelling list ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWesu | +-----------------------------+-----------------------------+ SEE ALSO
grep(1), sort(1), attributes(5) SunOS 5.10 29 Mar 1994 look(1)
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