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Full Discussion: while condition error:
Top Forums Shell Programming and Scripting while condition error: Post 302623603 by kashif.live on Saturday 14th of April 2012 04:08:45 AM
Old 04-14-2012
@methyl. yes you got it right. it is counting words in file ed. and grep command is sending difference of files ud and uc to ed. if there is any difference found then it will do some operataion. but in this case wc -w is giving output zero even when there are 2,3 lines in ed file. hope it clears my requirement.
 

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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 5.11 29 Mar 1994 look(1)
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