This is a tool for manipulating GRiD OS floppy images.
Usage:
ccos_disk_tool [ -i image | -h ] OPTIONS [-v]

Examples:
ccos_disk_tool -i image -p [-s]
ccos_disk_tool -i image -d
ccos_disk_tool -i image -y dir_name
ccos_disk_tool -i image -a file -n name [-l]
ccos_disk_tool -i src_image -c name -t dest_image [-l]
ccos_disk_tool -i src_image -e old name -n new name [-l]
ccos_disk_tool -i image -r file -n name [-l]
ccos_disk_tool -i image -z name [-l]
ccos_disk_tool -i image --create-new

-i, --image IMAGE        Path to GRiD OS floppy RAW image
-h, --help               Show this message
-v, --verbose            Verbose output

OPTIONS:
-w, --create-new         Create new blank image
-p, --print-contents     Print image contents
-s, --short-format       Use short format in printing contents
                         (80-column compatible, no dates)
-d, --dump-dir           Dump image contents into the current directory
-a, --add-file FILE      Add file to the image
-y, --create-dir NAME    Create new directory
-r, --replace-file FILE  Replace file in the image with the given
                         file, save changes to IMAGE.out
-c, --copy-file NAME     Copy file from one image to another
-e, --rename-file FILE   Rename file to the name passed with -n option
-t, --target-name FILE   Path to image to copy file to
-z, --delete-file FILE   Delete file from the image
-n, --target-name NAME   Replace / delete / copy or add file with the name NAME
                         in the image
-l, --in-place           Write changes to the original image

PERMISSION  UID  GID    PACKED    SIZE  RATIO METHOD CRC     STAMP     NAME
---------- ----------- ------- ------- ------ ---------- ------------ ----------
[generic]                  177     321  55.1% -lh5- 5db5 Aug  9 19:58 CCOS-disk-utils/.clang-format
[generic]                  275     430  64.0% -lh5- cdfa Aug  9 19:58 CCOS-disk-utils/.gitignore
[generic]                 1093    5548  19.7% -lh5- d45b Aug  9 19:58 CCOS-disk-utils/api_test.c
[generic]                 6287   26618  23.6% -lh5- aad8 Aug  9 19:58 CCOS-disk-utils/ccos_image.c
[generic]                 2321   10926  21.2% -lh5- bf54 Aug  9 19:58 CCOS-disk-utils/ccos_image.h
[generic]                 7052   32200  21.9% -lh5- e3d6 Aug  9 19:58 CCOS-disk-utils/ccos_private.c
[generic]                 3289   14278  23.0% -lh5- 8ceb Aug  9 19:58 CCOS-disk-utils/ccos_private.h
[generic]                  274     773  35.4% -lh5- 7f21 Aug  9 19:58 CCOS-disk-utils/CMakeLists.txt
[generic]                  899    2896  31.0% -lh5- 880a Aug  9 19:58 CCOS-disk-utils/common.c
[generic]                  783    1989  39.4% -lh5- 9b58 Aug  9 19:58 CCOS-disk-utils/common.h
[generic]                 3996   11357  35.2% -lh5- b065 Aug  9 19:58 CCOS-disk-utils/LICENSE
[generic]                 1857    7716  24.1% -lh5- a555 Aug  9 19:58 CCOS-disk-utils/main.c
[generic]                 1575    5337  29.5% -lh5- 4120 Aug  9 19:58 CCOS-disk-utils/README.md
[generic]                  346     910  38.0% -lh5- 6fe9 Aug  9 19:58 CCOS-disk-utils/string_utils.c
[generic]                  478    1431  33.4% -lh5- 8804 Aug  9 19:58 CCOS-disk-utils/string_utils.h
[generic]                 4877   26868  18.2% -lh5- 17aa Aug  9 19:58 CCOS-disk-utils/wrapper.c
[generic]                 1055    5596  18.9% -lh5- 5fc3 Aug  9 19:58 CCOS-disk-utils/wrapper.h
[generic]                37398  107340  34.8% -lh5- 8290 Aug  9 21:04 CCOS-disk-utils/ccos_disk_tool
---------- ----------- ------- ------- ------ ---------- ------------ ----------
 Total        18 files   74032  262534  28.2%            Aug 10 01:22