在ssh到服务器后,如何远程运行脚本中的代码块?不确定它是否可能。
ssh "$server" #SSH login
echo Connected to "$serverName"
exec < filelist.txt
while read updatedfile oldfile; do
# echo updatedfile = $updatedfile #use for troubleshooting
# echo oldfile = $oldfile #use for troubleshooting
if [[ ! $updatedfile =~ [^[:space:]] ]] ; then #empty line exception
continue # empty line exception
fi
if [[ ! $oldfile =~ [^[:space:]] ]] ; then #empty line exception
continue # empty line exception
fi
echo Comparing $updatedfile with $oldfile
if diff "$updatedfile" "$oldfile" >/dev/null ; then
echo The files compared are the same. No changes were made.
else
echo The files compared are different.
cp -f -v $oldfile /infanass/dev/admin/backup/`uname -n`_${oldfile##*/}_$(date +%F-%T)
cp -f -v $updatedfile $oldfile
fi
done
答案 0 :(得分:2)
您可以使用here-document
(未经测试)来实现。请记住,您必须转义在ssh服务器上定义的变量。
ssh $server <<ENDSSH
echo Connected to "$serverName"
exec < filelist.txt
while read updatedfile oldfile; do
# echo updatedfile = $updatedfile #use for troubleshooting
# echo oldfile = $oldfile #use for troubleshooting
if [[ ! $updatedfile =~ [^[:space:]] ]] ; then #empty line exception
continue # empty line exception
fi
if [[ ! $oldfile =~ [^[:space:]] ]] ; then #empty line exception
continue # empty line exception
fi
echo Comparing $updatedfile with $oldfile
if diff "$updatedfile" "$oldfile" >/dev/null ; then
echo The files compared are the same. No changes were made.
else
echo The files compared are different.
cp -f -v $oldfile /infanass/dev/admin/backup/`uname -n`_${oldfile##*/}_$(date +%F-%T)
cp -f -v $updatedfile $oldfile
fi
done
ENDSSH