wrapping text not exceeding 80 characters

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# 1  
Old 09-22-2011
wrapping text not exceeding 80 characters

I have a file where the text might exceed 80 characters. I want to have the maximum text lengths to be 80, and cut text from a space.

I written an awk script below but does not seem to work very well

    gsub("\t"," ")
    $0 = line $0
    while (length <= WIDTH) {
        line = $0
        more = getline
        gsub("\t"," ")
        if (more)
            $0 = line " " $0
            $0 = line
    while (length >= WIDTH) {
        print substr($0,1,WIDTH)
        $0 = substr($0,WIDTH+1)
    line = $0 " "

END { print }

# 2  
Old 09-22-2011
Have you tried this:
cut -c1-80 File

# 3  
Old 09-22-2011
or man fold
# 4  
Old 09-22-2011
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