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This code should work for you

If your seperator is pipe instead of comma use replace the dot with pipe inside -F"[-,:. ]"


awk -F"[-,:. ]" '

BEGIN{
min_date="99999999"...

Vim Tips and Tricks


Save and quit



:w => Save [:w filename writes the content to the specified file from current file]

:q => Exit as long as there have been no changes

:q! =>...

don't store the header in the variable. (it is losing the tab )

use it like this


col_cnt=`nawk -F"\t" '{ if(NR==1) { print NF }}' $1`



bash-3.00$ cat /tmp/myfile # tab seperated...