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Full Discussion: how to count number of times each word exist in a file
Top Forums UNIX for Dummies Questions & Answers how to count number of times each word exist in a file Post 302579946 by MR.bean on Wednesday 7th of December 2011 04:54:36 AM
Old 12-07-2011
Bug
you could change everything to lower-case and remove any non-letters characters to make it more accurate.

Code:
tr ' ' '\12' <inputfile | tr 'A-Z' 'a-z' | sed s/[^a-zA-Z]//g | sort | uniq -c | sort -nr

 

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LEARN ABOUT OPENSOLARIS

look

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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