how to find number of words

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# 1  
Old 07-25-2009
how to find number of words

help me for this
"divide the file into multiple files containing no more than 50 lines each and find the number of words of length less than 5 characters"

Last edited by annapurna konga; 07-25-2009 at 09:08 AM..
# 2  
Old 07-25-2009
Is this a homework question?

Give an explanation of your real world problem and show us what you've gotten so far.
# 3  
Old 07-25-2009
split -l 100 myFile

will split the myFile into pieces with 100 line in each files.
File will be start with prefix xaa,xab etc
you can change the prefix

check man split
# 4  
Old 07-25-2009
Idea for basic construct to make the input data easier to deal with. We change the delimiter between words to a newline character with "tr" then process each word as one line. My example uses older shell techniques. If you have ksh95 you can easily find out the number of characters in a parameter without using "wc" or for that matter do integer arithmetic without using "expr". The "echo" with the "\c" is to echo without a newline which makes the character count in "wc" correct (in some shells you need to use "echo -n ...").
It always helps when posting on this forum to state which Operating System you have and which shell you prefer. Good luck.

COUNTER=0       # Count of words less than 5 characters
cat file.ext|tr ' ' '\n'|while read WORD
        SIZE=`echo "${WORD}\c"|wc -c`
        if [ ${SIZE} -lt 5 ]
                COUNTER=`expr ${COUNTER} + 1`
        echo "${WORD}:size ${SIZE}"
echo "Words of less than 5 characters: ${COUNTER}"

Last edited by methyl; 07-25-2009 at 05:01 PM.. Reason: Various corrections
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