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Asked: 2026-05-27T21:23:32+00:00

I am just getting started with shell scripts to save me typing in the

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I am just getting started with shell scripts to save me typing in the same commands over and over. This command is used to copy a database over to a slave server as part of setting up MySQL database replication.

It works when typed into the command prompt directly:

mysqldump --host=192.168.1.1  –uUSER –pPASSWORD --opt database_name | mysql --host=192.168.1.2 –uUSER –pPASSWORD -C database_name

USER, PASSWORD and database_name all are replaced with their actual values in the real script.

When I type this command into a scripts.sh file, give it the execute permission, and then run it with ./scripts.sh I get:

'RROR1102 (42000): Incorrect database name 'database_name
mysqldump: Got errno 32 on write

What could be causing this error? Do I need to modify the command somehow when it is contained in a shell script?

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1 Answer

  1. Editorial Team

    The variable your database name is in has a CR at the end. You may need to run your script through dos2unix, or use one of the solutions on this site for stripping CRs from data if you’re getting the database name from an external source.

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