Ensure sidecar is not input or output file

2021-03-05 00:29:42 -08:00
parent 25c8c4656f
commit 079c162a96
3 changed files with 14 additions and 1 deletions
@@ -167,7 +167,8 @@ Online documentation is located at:
        metavar='FILE',
        help="Generate sidecar text files that contain the same text recognized "
        "by Tesseract. This may be useful for building a OCR text database. "
-        "If FILE is omitted, the sidecar file be named {output_file}.txt "
+        "If FILE is omitted, the sidecar file be named {output_file}.txt; the next "
+        "argument must NOT be the name of the input PDF. "
        "If FILE is set to '-', the sidecar is written to stdout (a "
        "convenient way to preview OCR quality). The output file and sidecar "
        "may not both use stdout at the same time.",