[CALUG] Looking for a tool

[Eric K. Dickinson]

sed?

http://www.grymoire.com/Unix/Sed.html

presuming the "plain file" is ASCII.

eric

Jason C. Miller wrote:
> I'm looking for a UNIX tool to perform a specific set of functionality but I
> dont know if there's anything out there that would do the trick.
> 
> I need a very small and light-weight tool that will allow me to me to
> "insert" any number of data into a plain file and provide an interface for
> performing that "insert" and also  "deletes" and "selects"  (using database
> terminology).
> 
> Confused yet?  :)
> 
> I'm working on an application that has a really small footprint and can't
> afford to run another database intance or provide any more table space in
> any of the already-existing ones.  I'm looking for something that will allow
> me to implement a "/tmp"-like storage facility for miscellaneous data, but
> in a single file.
> 
> -------------------------------------------------------------------------------
> EXAMPLE:   (using "STORE" as the storage filename)
>   Say I'm running a session-enabled website and need such a tool for the
> task I'm describing above.  Here's the kind of thing it would do...
> 
> $> sometool insert STORE "session id" "103847294837"
> $> sometool insert STORE "number_users" "4"
> $> sometool insert STORE "username" "foo"
> $> sometool insert STORE "privs" "read/write"
> $> sometool insert STORE "admin" "no"
> 
> $> SESSION=` sometool select STORE "session_id" `
> $> echo ${SESSION}
> 103847294837
> $> USER=` sometool select STORE "username" `
> $> echo ${USER}
> foo
> -------------------------------------------------------------------------------
> 
> I need something that's just that simple.  Just FYI...the session-enabled
> website was stricly an example.  It is NOT what I'm working on.  It just
> provided with a valid use-case for the tool.  The solution I'm looking for
> can't be OS-dependent (so Linux or Solaris filesystem tricks in leu of a
> tool are out the window).
> 
> Any ideas?  :)
> 
>                                                                       -jason
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