Sqlite command line tool mac

If no database file is specified on the command-line, a temporary database is .. For example, the "open -f" command on a Mac opens a text editor to display the utility for viewing CSV files (usually a spreadsheet program) on the result.
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Select "Get Info" from the File menu.

In the "Open with: Optionally, click "Change All Afterward, open will launch that app with that file. If you don't want to change the type, you can also tell the open command which app to use: This worked perfectly. Thanks Benzado: If you have macports installed, execute command sudo port install sqlite3 then sqlite3 anyfile. Actually what I want is to launch the GUI sqlitedatabase browser from the command line. I should have been clearer.

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  4. Getting Started with SQLite on macOS / Mac OS X!
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  7. Query, Edit, Browse, and Manage Databases.

So you will need repeat the ". In "quote" mode, the output is formatted as SQL literals. Strings are enclosed in single-quotes and internal single-quotes are escaped by doubling. Blobs are displayed in hexadecimal blob literal notation Ex: All columns are separated from each other by a comma or whatever alternative character is selected using ". In "line" mode, each column in a row of the database is shown on a line by itself. Each line consists of the column name, an equal sign and the column data.

Successive records are separated by a blank line. Here is an example of line mode output:.

How To Install SQLite3 On Mac

In column mode, each record is shown on a separate line with the data aligned in columns. By default, each column is between 1 and 10 characters wide, depending on the column header name and the width of the first column of data. Data that is too wide to fit in a column is truncated. The ".

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All other column widths were unaltered. You can gives as many arguments to ". If you specify a column a width of 0, then the column width is automatically adjusted to be the maximum of three numbers: This makes the column width self-adjusting. The default width setting for every column is this auto-adjusting 0 value.

The column labels that appear on the first two lines of output can be turned on and off using the ". In the examples above, the column labels are on. To turn them off you could do this:. Another useful output mode is "insert". Use insert mode to generate text that can later be used to input data into a different database.

When specifying insert mode, you have to give an extra argument which is the name of the table to be inserted into. The last output mode is "html". The html output mode is envisioned as being useful for CGI. By default, sqlite3 sends query results to standard output. You can change this using the ". Just put the name of an output file as an argument to. Or use the. If the first character of the ".

This makes it easy to pipe the results of a query into some other process. For example, the "open -f" command on a Mac opens a text editor to display the content that it reads from standard input. So to see the results of a query in a text editor, one could type:.

If the ". Thus, the command ". This is a quick way of sending the result of a query to a spreadsheet for easy viewing:. It does exactly the same thing. The command-line shell adds two application-defined SQL functions that facilitate reading content from a file into a table column, and writing the content of a column into a file, respectively. This can be used to load content into a table. Use this function to extract the content of a single table column into a file.

Note that the readfile X and writefile X,Y functions are extension functions and are not built into the core SQLite library. Edit takes one or two arguments. The first argument is a value - usually a large multi-line string to be edited. The second argument is the name of a text editor. The edit function writes its first argument into a temporary file, invokes the editor on the temporary file, rereads the file back into memory after the editor is done, then returns the edited text.

Command Line Shell For SQLite

In this example, the content of the docs. After the editor returns, the result will be written back into the docs. The default operation of edit is to invoke a text editor. But by using an alternative edit program in the second argument, you can also get it to edit images or other non-text resources. For example, if you want to modify a JPEG image that happens to be stored in a field of a table, you could run:.

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The edit program can also be used as a viewer, by simply ignoring the return value. For example, to merely look at the image above, you might run:. The sqlite3 program provides several convenience commands that are useful for looking at the schema of the database. There is nothing that these commands do that cannot be done by some other means. These commands are provided purely as a shortcut. But the ".

How To Install MySQL on Mac OS X

And it arranges its output into neat columns. As with ". If you only want to see the schema for a single database perhaps "main" then you can add an argument to ". There will always be at least 2.