将一个代码块的结果保存到文件-Shell编程

#! /bin/bash

SUCCESS=0
E_NOARGS=65

if [ -z "$1" ]
then
echo "Usage: `basename $0` rpm-file"
exit $E_NOARGS
fi

{
echo
echo "Archive Description:"
rpm -qpi $1
echo
echo "Archive Listing:"
rpm -qpl $1
echo
rpm -i --test $1
if [ "$?" -eq $SUCCESS ]
then
echo "$1 can be installed."
else
echo "$1 cannot be installed."
fi
echo
} > "$1.test"

echo "Results of rpm test in file $1.test"

exit 0