I would like to use the main database file location in function (replace or other) as input data. How can i get it?
for example: replace('c:\temp\main.db','main.db','')
I'm creating a database script for command line use under win10.
.database command result seems to be fine, but how to use in replace input?
EDIT: I have to use the location as variable, because i run the script from command line, recursively in a lot of directories with a lot of small databases, so i can't use constant value in replace.
The cmd line command:
forfiles /p c:\temp /m files.db /s /c "cmd /c c:\sqlite3.exe #path < c:\BookDbDataCopy.txt"
I want to use the path in the select as variable.
I got it :)
create table path (a text);
.mode csv
.output 'c:\data.csv'
.databases
.import 'c:\data.csv' path
The solution:
- create a table for the path
- write the command output in file
- import the file in table
- select the table in replace variable :)
select replace((select a from path where a like 'main%'),'main: c:\',''), t.* from path;
Related
Everytime I start SQLite, I have to re-turn on headers, re-switch to column mode, re-change the separator and/or width. How can I make the settings persist??
Repeated Code
.mode column
.headers on
.separator ','
In other words, how can I save the settings so that next time I run SQLite, my preferences are automatically applied.
Create a .sqliterc file in your home directory
Ah, finally stumbled upon the answer. You can create a .sqliterc (SQLite Run Commands file) in your home directory. Every time you run sqlite, it will load the settings from the rc file.
Here's a quick command line script you can paste in the terminal for some basic settings (edit it to add additional preferences):
cat << EOF > ~/.sqliterc
.headers on
.mode column
EOF
There are alternative command line options. Something like this:
alias mysqlite='sqlite3 -column -header -separator ,'
I have a .sql file, and I have to change the statements in that file and want to replace that sql file in sh file.Can anyone help me??
Lots of ways of doing this.
I'd probably pick a text editor that can do search and replace and deal with large files. Then ask it to search for
SELECT
and replace with
mysql -uroot -pxxx ABD -e "SELECT
Then replace each table name with the same table name with a " added.
Save it as a .sh file and then you have what you need.
I have a text file which contains an sqlite statment where I want to dump it into .sql format but not able to excute it. Any help would be appreciated. My file is stored on desktop as verbali.txt and when i go to command prompt and to specific sqlite folder and run it just open the text file .
.mode insert
.header on
.out file.sql
select select Id ,CompanyId ,DateTime ,Serial ,DeviceId ,AgentAId ,GpsAddress ,Targa ,CommonRoadDescription ,RoadCivicNumber ,VehicleBrandDescription ,VehicleModelDescription ,VerbaliVehicleTypeDescription ,CommonColorVehicleDescription ,VerbaliRuleOneCode ,VerbaliRuleOneDescription ,VerbaliRuleOnePoints ,VerbaliClosedNoteDescription ,Points ,VerbaliMissedNotificationDescription ,MissedNotificationNote ,StatementNote from VerbaliData
Pipe the file to sqlite3, in command prompt:
sqlite3 yourdatabase.db <path\to\verbali.txt
where sqlite3 is the sqlite3.exe command line tool.
I want the filename to be something like this top_queries_June.csv. Is it possible to do that in sqlite?
sqlite>.output (top_Queries + Select date('now')).csv
I run this batch file to create a file with the top queries.
Batch file:
sqlite3 mydb.db ".read x.sql"
x.sql:
.headers ON
.mode csv
.output Top_Queries + <current month>.csv
select * from query;
.quit
As #CL. already pointed out the sqlite3 command line utility is not flexible enough to do this. You appear to be using some kind of shell to execute sqlite3. Most shells support a feature called "here document" and the sqlite3 utility supports reading commands from a pipe. Using these you can inline the x.sql file into your shell script. In a POSIX compatible shell your code could look like this:
DATE=`date -I`
sqlite3 mydb.db <<EOF
.headers ON
.mode csv
.output Top_Queries${DATE}.csv
select * from query;
EOF
I'm making a shell script to export a sqlite query to a csv file, just like this:
#!/bin/bash
./bin/sqlite3 ./sys/xserve_sqlite.db ".headers on"
./bin/sqlite3 ./sys/xserve_sqlite.db ".mode csv"
./bin/sqlite3 ./sys/xserve_sqlite.db ".output out.csv"
./bin/sqlite3 ./sys/xserve_sqlite.db "select * from eS1100_sensor_results;"
./bin/sqlite3 ./sys/xserve_sqlite.db ".exit"
When executing the script, the output apears on the screen, instead of being saved to "out.csv". It's working doing the same method with the command line, but I don't know why the shell script fails to export data to the file.
What am I doing wrong?
Instead of the dot commands, you could use sqlite3 command options:
sqlite3 -header -csv my_db.db "select * from my_table;" > out.csv
This makes it a one-liner.
Also, you can run a sql script file:
sqlite3 -header -csv my_db.db < my_script.sql > out.csv
Use sqlite3 -help to see the list of available options.
sqlite3
You have a separate call to sqlite3 for each line; by the time your select runs, your .out out.csv has been forgotten.
Try:
#!/bin/bash
./bin/sqlite3 ./sys/xserve_sqlite.db <<!
.headers on
.mode csv
.output out.csv
select * from eS1100_sensor_results;
!
instead.
sh/bash methods
You can either call your script with a redirection:
$ your_script >out.csv
or you can insert the following as a first line in your script:
exec >out.csv
The former method allows you to specify different filenames, while the latter outputs to a specific filename. In both cases the line .output out.csv can be ignored.
I recently created a shell script that will be able to take the tables from a db file and convert them into csv files.
https://github.com/darrentu/convert-db-to-csv
Feel free to ask me any questions on my script :)
Although the question is about shell script, I think it will help few of those who are just bothered about transferring the data from the sqlite3 database to a csv file.
I found a very convinient way to do it with the firefox browser using SQLite Manager extension.
Simply connect to your sqlite database file in firefox ( SQlite manager -> connect database ) and then Table -> Export table. You will be served with some more options that you can just click and try....
In the end you get a csv file with the table u have chosen to be exported.
Using command line for Linux:
user#dell-Admin: sqlite3 #activate your sqlite database first
sqlite> .tables #search for tables if any available if already created one.
sqlite> .schema #if you want to check the schema of the table.
# once you find your table(s), then just do the following:
sqlite> .headers on #export along with headers (column names)
sqlite> .mode csv #file type is csv
sqlite> .output example.csv #you want to provide file name to export
sqlite> SELECT * from events; #If entire table is needed or select only required
sqlite> .quit #finally quit the sqlite3
Now search in your system for example.csv file and you will get it.
In one line is
sqlite3 -header -csv ./sys/xserve_sqlite.db "select * from eS1100_sensor_results;" >./out.csv
A synthesis of the answers till now:
function sqlite2csv-table() {
local db="${1}" table="${2}" output="${3}"
if test -z "$output" ; then
output="${db:r}_hi${table}.csv"
fi
[[ "$output" =~ '.csv$' ]] || output+='.csv'
echo "$0: outputting table '$table' to '$output'"
sqlite3 -header -csv "$db" "select * from ${table};" > "$output" || return $?
}
function sqlite2csv() {
local db="${1}" o="${2}"
tables=($(sqlite3 $db ".tables"))
local t
for table in $tables[#] ; do
sqlite2csv-table "$db" "$table" "${o}_${table}.csv"
done
}
Usage:
sqlite2csv some.db [/path/to/output]