windows 7 - php mysqldump and zip 7z -

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i have line of php backing databases, work's charm (windows 7):

$exec_str = "{$real_path}bin\mysqldump -h {$mysql_db_host} -u {$mysql_db_user} -p{$mysql_db_pasw} {$db_name} > {$backupdir}\\{$db_name}.sql";

but rather prefer have .sql files compressed 7zip (as 7z)

this 1 not work (path 7za.exe correct) instead generates empty 7z files:

$exec_str = "{$real_path}bin\mysqldump -h {$mysql_db_host} -u {$mysql_db_user} -p{$mysql_db_pasw} {$db_name} | {$real_path}7za > {$backupdir}\\{$db_name}.sql.7z";

what doing wrong?

i used 7z compress output mysqldump (windows server 2008 r2), used command line batch files , automated tasks instead. also, used 7z.exe, not 7za.

note following commands executed windows command terminal, i.e start->run->cmd

i created batch file automated task run contents:

mysqldump -u<mysqlusername> -p<mysqlpassword> <schemaname>|7z.exe -si<nameinzip> <zippedpathandname.7z>

this creates .7z file of mysqldump. [-si] switch specifies take input stdin. "nameinzip" want appear in zip file; made mine "schemaname".sql.

note: assumes mysqldump , 7z executable directories in %path% environment variable. otherwise use full path binaries, e.g. c:\program files\7-zip\7z.exe instead of 7z.exe

then created automated task:

schtasks /create /sc daily /tn <yourtaskname> /ru system /tr <pathtoyourbatchfile> /st 20:45

this creates automated task runs batch file daily @ 20:45. note "/ru system" switch ensures command run system , run whether you're logged on or not.

see here reference schtasks command.

hope helps!


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