I am using adityasatrio's batch file to backup local MySQL dbs and like to be able to only keep the 30 latest backup files. Using root:root for this example.
@echo off
set dbUser=root
set dbPassword=root
set backupDir="D:\MySQLDumps\dbs\"
set mysqldump="C:\wamp\bin\mysql\mysql5.6.17\bin\mysqldump.exe"
set mysqlDataDir="C:\wamp\bin\mysql\mysql5.6.17\data"
set zip="C:\Program Files\7-Zip\7z.exe"
:: get date
for /F "tokens=2-4 delims=/ " %%i in ('date /t') do (
set yy=%%i
set mon=%%j
set dd=%%k
)
:: get time
for /F "tokens=5-8 delims=:. " %%i in ('echo.^| time ^| find "current" ') do (
set hh=%%i
set min=%%j
)
echo dirName=%yy%%mon%%dd%_%hh%%min%
set dirName=%yy%%mon%%dd%_%hh%%min%
:: switch to the "data" folder
pushd %mysqlDataDir%
:: iterate over the folder structure in the "data" folder to get the databases
for /d %%f in (*) do (
if not exist %backupDir%\%dirName%\ (
mkdir %backupDir%\%dirName%
)
%mysqldump% --host="localhost" --user=%dbUser% --password=%dbPassword% --single-transaction --add-drop-table --databases %%f > %backupDir%\%dirName%\%%f.sql
%zip% a -tgzip %backupDir%\%dirName%\%%f.sql.gz %backupDir%\%dirName%\%%f.sql
del %backupDir%\%dirName%\%%f.sql
)
popd
Now I have had a good look at the following questions:
Batch file to delete files older than N days
https://serverfault.com/questions/49614/delete-files-older-than-x-days
Batch file that keeps the 7 latest files in a folder
Windows batch file only keeping the last 30 files
and am now wondering if I can simply add (https://stackoverflow.com/a/14267137/1010918)
for /f "skip=30 delims=" %%A in ('dir /a:-d /b /o:-d /t:c *.sql ^2^>nul') do if exist "%%~fA" echo "%%~fA"
(yes I will later change echo to del but first I like to see what will happen)
or (https://stackoverflow.com/a/13368077)
for /f "skip=30 eol=: delims=" %%F in ('dir /b /o-d *.sql') do @del "%%F"
at the end of the batch file, right under
del %backupDir%\%dirName%\%%f.sql
to make this happen?
I have never done this before but have searched for automated local backup apps/php scripts/mysqldump commands/etc for MySQL dbs, even had a go with Workbench only to discover that no scheduling can be set in the community edition (thank you Oracle).
All the other apps either need to have someone open the app and hit "run now" or want you to pay for setting up a schedule (no thanks).
I think this can be done with the tools at hand on a Windows 7 and later versions machine. Please help me add this functionality to the script, that would be great, thank you.
edit1:
When adding the quote commands nothing happens. Also the created backup directory only displays the time but not the year, month and day. Doing further research to find out why. Any ideas?
This comment delete all but X most recent folders talks about deleting the 5 latest folders, though when I use it like this
for /f "skip=2 delims=" %%a in ('dir %backupDir%\%dirName% /o-d /b') do rd /S /Q "%backupDir%\%dirName%\%%a"
the error is the following.
The system cannot find the file specified.
The system cannot find the path specified.
edit2: Below is the code that with @foxidrive help sets the folder name as I like to have it, but the last bit, trying to only keep the 3 latest folders (for testing purposes only 3) and delete the rest of the folders in the backupDir does not seem to work out.
Thank you for any help.
@echo off
set dbUser=root
set dbPassword=root
set "backupDir=D:\MySQLDumps\dbs\"
set "mysqldump=C:\wamp\bin\mysql\mysql5.6.17\bin\mysqldump.exe"
set "mysqlDataDir=C:\wamp\bin\mysql\mysql5.6.17\data"
set "zip=C:\Program Files\7-Zip\7z.exe"
rem The four lines below will give you reliable YY DD MM YYYY HH Min Sec MS variables in XP Pro and higher.
for /f "tokens=2 delims==" %%a in ('wmic OS Get localdatetime /value') do set "dt=%%a"
set "YY=%dt:~2,2%" & set "YYYY=%dt:~0,4%" & set "MM=%dt:~4,2%" & set "DD=%dt:~6,2%"
set "HH=%dt:~8,2%" & set "Min=%dt:~10,2%" & set "Sec=%dt:~12,2%" & set "MS=%dt:~15,3%"
set "dirname=%YY%-%MM%-%DD% %HH%-%Min%-%Sec%"
echo "dirName"="%dirName%"
pause
:: switch to the "data" folder
pushd "%mysqlDataDir%"
:: create backup folder if it doesn't exist
if not exist "%backupDir%\%dirName%\" mkdir "%backupDir%\%dirName%"
:: iterate over the folder structure in the "data" folder to get the databases
for /d %%f in (*) do (
echo processing folder "%%f"
"%mysqldump%" --host="localhost" --user=%dbUser% --password=%dbPassword% --single-transaction --add-drop-table --databases %%f > "%backupDir%\%dirName%\%%~nxf.sql"
"%zip%" a -tgzip "%backupDir%\%dirName%\%%~nxf.sql.gz" "%backupDir%\%dirName%\%%~nxf.sql"
del "%backupDir%\%dirName%\%%~nxf.sql"
)
popd
:: delete all but the latest 3 folders
for /f "skip=3 delims=" %%A in ('dir /b /ad /o-n "%backupDir%\%dirName%\*"') do @echo rd /s /q "%backupDir%\%dirName%\%%~A"
pause
With the help of @foxidrive above I managed to get the date of the folders as I wanted them to be, them being YYYY-MM-DD HH-MIN-SEC.
In these folders are the the gzipped .sql databses stored thanks to adityasatrio's MySQL Backup Batch Script.
With the help of @Magoo from this answer https://stackoverflow.com/a/17521693/1010918 I managed to get all folders (nameDir) deleted while keeping the latest N folders (nameDir) and also not touching any files that might be in the directory (backupDir).
Here is the complete working script.
Feel free to remove any occurrence of pause and and echo to not see what is going on inside the command prompt.
Additionally add this to Windows Task Scheduler and you have yourself a solid backup solution for a local development environment that makes use of MySQL databases.
Please thank the people that helped me get this done. Without you guys I would have had to use a costly Windows app only to locally save MySQL databases.
(..and for our next trick we are going to email an error log to ourselves if there are errors while backing up the .sql files.. but that is another question and story for another day.. )
@echo off
set dbUser=root
set dbPassword=root
set "backupDir=D:\MySQLDumps"
set "mysqldump=C:\wamp\bin\mysql\mysql5.6.17\bin\mysqldump.exe"
set "mysqlDataDir=C:\wamp\bin\mysql\mysql5.6.17\data"
set "zip=C:\Program Files\7-Zip\7z.exe"
:: https://stackoverflow.com/a/31789045/1010918 foxidrive's answer helped me get the folder with the date and time I wanted
rem The four lines below will give you reliable YY DD MM YYYY HH Min Sec MS variables in XP Pro and higher.
for /f "tokens=2 delims==" %%a in ('wmic OS Get localdatetime /value') do set "dt=%%a"
set "YY=%dt:~2,2%" & set "YYYY=%dt:~0,4%" & set "MM=%dt:~4,2%" & set "DD=%dt:~6,2%"
set "HH=%dt:~8,2%" & set "Min=%dt:~10,2%" & set "Sec=%dt:~12,2%" & set "MS=%dt:~15,3%"
set "dirname=%YYYY%-%MM%-%DD% %HH%-%Min%-%Sec%"
:: remove echo here if you like
echo "dirName"="%dirName%"
:: switch to the "data" folder
pushd "%mysqlDataDir%"
:: create backup folder if it doesn't exist
if not exist "%backupDir%\%dirName%\" mkdir "%backupDir%\%dirName%"
:: iterate over the folder structure in the "data" folder to get the databases
for /d %%f in (*) do (
:: remove echo here if you like
echo processing folder "%%f"
"%mysqldump%" --host="localhost" --user=%dbUser% --password=%dbPassword% --single-transaction --add-drop-table --databases %%f > "%backupDir%\%dirName%\%%~nxf.sql"
"%zip%" a -tgzip "%backupDir%\%dirName%\%%~nxf.sql.gz" "%backupDir%\%dirName%\%%~nxf.sql"
del "%backupDir%\%dirName%\%%~nxf.sql"
)
popd
:: delete all folders but the latest 2
:: https://stackoverflow.com/a/17521693/1010918 Magoo's answer helped me get what I wanted to do with the folders
:: for /f "skip=2 delims=" %G in ('dir /B /ad-h /o-d') DO echo going to delete %G
:: below following my version with rd (remove dir) command and /s and /q
:: remove echo before rd to really delete the folders in question!!
:: attention they will be deleted with content in them!!
:: change the value after skip= to what you like, this is the amount of latest folders to keep in your backup directory
for /f "skip=2 delims=" %%a in (' dir "%backupDir%\" /b /ad-h /o-d') do echo rd /s /q "%backupDir%\%%a"
:: remove pause here if you like and add the file to Windows Task Manager
pause
This is a little more resilient to spaces in folder names, and the date and time routines have been altered
- run it and first check that the "dirName"= folder is in the right format
- and the line at the end should echo the del commands for keeping the lastest 3 backups.
Test the archiving routine and then
remove the echo before the del keyword if it all looks right to you.
@echo off
set dbUser=root
set dbPassword=root
set "backupDir=D:\MySQLDumps\dbs\"
set "mysqldump=C:\wamp\bin\mysql\mysql5.6.17\bin\mysqldump.exe"
set "mysqlDataDir=C:\wamp\bin\mysql\mysql5.6.17\data"
set "zip=C:\Program Files\7-Zip\7z.exe"
rem The four lines below will give you reliable YY DD MM YYYY HH Min Sec MS variables in XP Pro and higher.
for /f "tokens=2 delims==" %%a in ('wmic OS Get localdatetime /value') do set "dt=%%a"
set "YY=%dt:~2,2%" & set "YYYY=%dt:~0,4%" & set "MM=%dt:~4,2%" & set "DD=%dt:~6,2%"
set "HH=%dt:~8,2%" & set "Min=%dt:~10,2%" & set "Sec=%dt:~12,2%" & set "MS=%dt:~15,3%"
set "dirname=%YY%%MM%%DD%_%HH%%Min%"
echo "dirName"="%dirname%"
pause
:: switch to the "data" folder
pushd "%mysqlDataDir%"
:: create backup folder if it doesn't exist
if not exist "%backupDir%\%dirName%\" mkdir "%backupDir%\%dirName%"
:: iterate over the folder structure in the "data" folder to get the databases
for /d %%f in (*) do (
echo processing folder "%%f"
"%mysqldump%" --host="localhost" --user=%dbUser% --password=%dbPassword% --single-transaction --add-drop-table --databases %%f > "%backupDir%\%dirName%\%%~nxf.sql"
"%zip%" a -tgzip "%backupDir%\%dirName%\%%~nxf.sql.gz" "%backupDir%\%dirName%\%%~nxf.sql"
del "%backupDir%\%dirName%\%%~nxf.sql"
)
popd
::keep 3 newest backup *.sql files
for /f "skip=3 delims=" %%a in ('dir "%backupDir%\%dirName%\*.sql" /b /o-d /a-d') do echo del "%backupDir%\%dirName%\%%a"
pause
来源：https://stackoverflow.com/questions/31787056/windows-batch-script-to-backup-local-mysql-databases-only-keep-n-latest-folder