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Full Discussion: Script to count word occurrences, but exclude some?
Top Forums Shell Programming and Scripting Script to count word occurrences, but exclude some? Post 302657019 by agama on Friday 15th of June 2012 10:16:38 PM
Old 06-15-2012
Given your requirements for black listing and finding capitalised leading letters, I'd probably have approached it this way:

Code:
awk '
    NR == FNR { $1; blist[$1]; next; }      # read black list

    {
        for( i=1; i <= NF; i++ )
        {
            ignore = ignore_nxt;
            ignore_nxt = 0;
            ignore_nxt = ( match(  $i, "[?.!]" ) && RSTART == length( $i ) );

            gsub( "[:,%?<>&@!=+.()]", "", $(i) );       # trash punctuation not considered part of a word
            if( length( $(i) ) > 3 )
            {
                count[$(i)]++;
                fc = substr( $(i), 1, 1 );
                if( !ignore && fc >= "A" && fc <= "Z" )
                    cap++;
            }
        }
    }
    END {
        printf( "words starting with a capital: %d\n", cap ) >"/dev/fd/2";  # out to stderr so it doesnt sort
        for( x in count )
        {
            if( !( x in blist ) )
                print x, count[x];
        }
    }
' blacklist.file text-file | sort -k 2nr,2

The captialisation is tricky. You can count all words with capitalised letters, or ignore those that immediatly follow a full stop (.), question (?) or explaination (!). The code above does the latter -- effectively counting proper names that appear in the middle of the sentence. You can comment out the statements that check for and set the ignore variables, and it will count all words that start with a capitalised letter and are larger than 3 characters in length.

Might not be exactly what you want, but it should give you an idea of one method.
This User Gave Thanks to agama For This Post:
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LEARN ABOUT MINIX

dd

DD(1)							      General Commands Manual							     DD(1)

NAME

       dd - disk dumper

SYNOPSIS

       dd [option = value] ...

EXAMPLES

       dd if=/dev/fd0 of=/dev/fd1
			   # Copy disk 0 to disk 1

       dd if=x of=y bs=1w skip=4
			   # Copy x to y, skipping 4 words

       dd if=x of=y count=3
			   # Copy three 512-byte blocks

DESCRIPTION

       This  command  is  intended  for  copying  partial  files.  The block size, skip count, and number of blocks to copy can be specified.  The
       options are:

	 if = file    - Input file (default is stdin)
	 of = file    - Output file (default is standard output)
	 ibs = n      - Input block size (default 512 bytes)
	 obs = n      - Output block size (default is 512 bytes)
	 bs = n       - Block size; sets ibs and obs (default is 512 bytes)
	 skip = n     - Skip n input blocks before reading
	 seek = n     - Skip n output blocks before writing
	 count = n    - Copy only n input blocks
	 conv = lcase - Convert upper case letters to lower case
	 conv = ucase - Convert lower case letters to upper case
	 conv = swab  - Swap every pair of bytes
	 conv = noerror- Ignore errors and just keep going
	 conv = silent- Suppress statistics (Minix specific flag)

       Where sizes are expected, they are in bytes.  However, the letters w, b, or k may be appended to the number to indicate	words  (2  bytes),
       blocks  (512 bytes), or K (1024 bytes), respectively.  When dd is finished, it reports the number of full and partial blocks read and writ-
       ten.

SEE ALSO

       vol(1).

																	     DD(1)
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