On 11/13/09 3:47 PM, "McKown, John" <[email protected]> wrote:
> This goes back to the person who wanted some way to emulate DD concatenation > of multiple datasets so that they are read as if they were one. Everybody > agrees that there isn't an easy way. Now, I don't know filesystem internals. > But what about a new type of symlink? Normally, a symlink contains the real > name of the file. Sometimes a symlink will point to another symlink, and so on > (I don't know how deep). What about a multi-symlink. That's where a symlink > points to multiple files in a specific order. When the symlink is opened and > read, each file in the symlink is opened and read in order. I know this would > require some changes to open() as well, in order to make sure that each file > in the symlink chain is readable by the process. That's what a named pipe is for. If you create the named pipe pointing to 'cat < file1 file2 file3' you get exactly those semantics. No system changes necessary. ---------------------------------------------------------------------- For LINUX-390 subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO LINUX-390 or visit http://www.marist.edu/htbin/wlvindex?LINUX-390
