cmd - Can't execute command in java -


i want 1 of these commands executed. can't in java. commands are: 

type table1.sql, table2.sql, table3.sql > sbackup.sql type *.sql > allinone.sql  --[make backup file in folder] copy *.sql merged.sql

i tried this:

string command = "type " + "*.sql" + " --result-file=" + "c:\\sbackup.sql"; runtime.getruntime().exec(command);

your valuable insight highly appreciated. thank you.

type , copy both built-ins in windows command shell, not actual programs can execute. execute them, execute command shell , provide command argument after /c:

string command = "cmd.exe /c type " + "*.sql" + " --result-file=" + "c:\\sbackup.sql"; runtime.getruntime().exec(command);

...but i'll note don't think type has --result-file argument.


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