~percona-toolkit-dev/percona-toolkit/cant-nibble-bug-918056

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#!/usr/bin/env bash

die() {
   echo "$1" >&2
   exit 1
}

file=$1
from=$2
to=$3

start_line=$(grep --line-number "$from" $file | cut -d':' -f1)
if [ -z "$start_line" ]; then
   die "Cannot find $from in $file"
fi

tail -n +$start_line $file | awk "BEGIN { getline; print \$0 } /$to/ { exit } { print }"

exit $?