File: count

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#!/bin/sh
#
# Program: count
#
# Synopsis: Count the number of lines of input on stdin and test that it
#           matches the specified number.
#
# Syntax:   count <number>

set -e
set -u
input_lines=`wc -l`
if [ "$input_lines" -ne "$1" ]; then
  echo "count: expected $1 lines and got ${input_lines}."
  exit 1
fi
exit 0