mc diff

Syntax

The mc diff mc computes the differences between two filesystem directories or MinIO buckets. mc diff lists only those objects which are missing or which differ in size. mc diff does not compare the contents of objects.

• EXAMPLE
• SYNTAX

mc diff ~/mydata/myobject.txt myminio/mydata/myobject.txt

mc [GLOBALFLAGS] diff SOURCE TARGET

Parameters

SOURCE

mc-cmd

Required The object to compare to the TARGET.

For an object from MinIO, specify the alias and the full path to that object (e.g. bucket and path to object). For example:

mc diff play/mybucket/object.txt ~/mydata/object.txt

For an object from a local filesystem, specify the full path to that object. For example:

mc diff ~/mydata/object.txt play/mybucket/object.txt

TARGET

mc-cmd

Required The object to compare to the SOURCE.

For an object from MinIO, specify the alias and the full path to that object (e.g. bucket and path to object). For example:

mc diff play/mybucket/object.txt ~/mydata/object.txt

For an object from a local filesystem, specify the full path to that object. For example:

mc diff ~/mydata/object.txt play/mybucket/object.txt

Global Flags

This command supports any of the global flags.

Examples

The following example assumes that the play alias exists in the mc configuration file. You can replace play with the alias for your preferred S3-compatible deployment.

See mc alias for more information on aliases.

mc diff play/bucket1 play/bucket2

Behavior

Output Legend

mc diff uses the following legend when formatting the diff output:

FIRST < SECOND - object exists only in FIRST
FIRST > SECOND - object exists only in SECOND
FIRST ! SECOND - Newer object exists in FIRST

S3 Compatibility

The mc commandline tool is built for compatibility with the AWS S3 API and is tested with MinIO and AWS S3 for expected functionality and behavior.

MinIO provides no guarantees for other S3-compatible services, as their S3 API implementation is unknown and therefore unsupported. While mc commands may work as documented, any such usage is at your own risk.