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Re: Shell Scripting Sqlite
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Re: Shell Scripting Sqlite


  • Subject: Re: Shell Scripting Sqlite
  • From: Bruce Robertson <email@hidden>
  • Date: Thu, 29 May 2008 18:46:23 -0700

That's the problem with simplified examples.

I don't want any disk files at all.

I want to do it because I want to hold sqlite databases in Filemaker
variables for reporting purposes.

So I might manipulate a found set or otherwise generate a dataset, store it
in a variable, then perform SQL extractions and manipulations.

> Hi Bruce,
>
>> set cmd to "cat /a.db"
>> Do shell script cmd
>> Set myDB to result
>>
>> MyDB now contains the text of the sqlite database.
>>
>> I want to figure out how to do something this:
>>
>> Do shell script "Echo 'select * from people;' | sqlite3 " & myDB
>
> Why do you want to do that? I don't think you'll get any greater
> efficiency.
>
> You can, of course, just pass it the path in a variable:
>
> set myDBPath to "/a.db"
> do shell script "echo 'select * from people;' | sqlite3 " & quoted
> form of myDBPath
>
> or you can copy the whole database into a memory database in SQLite,
> which SQLite does using the reserved ":memory:" database name:
>
> set myDBPath to "/a.db"
> do shell script "echo 'attach \":memory:\" as MemoryDB; create table
> MemoryDB.People_Copy as select * from people; select * from
> MemoryDB.People_Copy;' | sqlite3 " & quoted form of myDBPath
>
>> That is, how do I pass an a variable to a shell command that is
>> expecting a
>> file?
>
> I don't know if there's a general way to do that, but it doesn't seem
> necessary.
>
> Tom
> BareFeet
> Comparison of SQLite applications for Mac OS X:
> http://www.tandb.com.au/sqlite/compare/?ml
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  • Follow-Ups:
    • Re: Shell Scripting Sqlite
      • From: "Mark J. Reed" <email@hidden>
References: 
 >Re: Shell Scripting Sqlite (From: BareFeet <email@hidden>)

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