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Old 10-02-2007
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vgersh99 vgersh99 is offline Forum Staff  
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Join Date: Feb 2005
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nawk 'NF != 7 {printf("[%d] has invalid [%d] number of fields\n", FNR, NF)} $5 !~ /^[0-9]+$/ {printf("[%d] 5th field is invalid [%s]\n", FNR, $5)}' ColCheckMe

The rest is left as an excersize....