acgc -o=french strings.acg trees.acg derivations.acg tag.acg

or

acgc -o french strings.acg trees.acg derivations.acg tag.acg

Parsing "strings.acg"...
Done (required 0.108 seconds).
Parsing "trees.acg"...
Done (required 1.114 seconds).
Parsing "derivations.acg"...
Done (required 17.317 seconds).
Parsing "tag.acg"...
Done (required 29.315 seconds).
Output written on: "tag.acgo"

the generated file is not french.acgo

acgc strings.acg trees.acg derivations.acg tag.acg -o french.acgo

Parsing "strings.acg"...
Done (required 0.108 seconds).
Parsing "trees.acg"...
Done (required 1.105 seconds).
Parsing "derivations.acg"...
Done (required 17.425 seconds).
Parsing "tag.acg"...
Done (required 29.442 seconds).
Output written on: "french.acgo"

stat french.acgo

File: french.acgo Size: 82 bytes

the french.acgo file should be more voluminous