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First create a new fich without the head

$ cut -d"|" -f2-25 asdf>fichNew

Sencond create a fich with the firt part what it will the last
$ cut -d"|" -f1 asdf>head

And paste the first part...

try this
awk -F'| ' '{int($1)==$1 && int($3) ==$3}' int_check.txt

other example is :
awk -F":" '{ print $1 $3 }' /etc/passwd

and other


{
if ( $5 ~ /root/ ) {
print $3
...