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cli: re-introduce -d flag for directories.

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Directories is not anymore a positionnal argument, you must use the -d
flag:
  ddh -v duplicates -d /home/jon/downloads /home/jon/documents -o no
This commit is contained in:
Mr Nouse 2022-10-23 10:09:28 +02:00
parent 35dd1fc967
commit abdb42efe6
2 changed files with 22 additions and 15 deletions
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35
README.md
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@ -33,23 +33,30 @@ Directory Difference hTool
Jon Moroney jmoroney@hawaii.edu
Compare and contrast directories.
Example invocation: ddh -v duplicates /home/jon/downloads /home/jon/documents
Example pipe: ddh -o no -v all -f json ~/Downloads/ | someJsonParser.bin
Example invocation: ddh -v duplicates -d /home/jon/downloads /home/jon/documents
Example pipe: ddh -o no -v all -f json -d ~/Downloads/ | someJsonParser.bin
Usage: ddh [OPTIONS] <DIRECTORIES>...
Arguments:
<DIRECTORIES>... Directories to parse
Usage: ddh [OPTIONS]
Options:
-m, --minimum [<MIN_SIZE>] Minimum file size in bytes to consider [default: 0]
-b, --blocksize [<BLOCKSIZE>] Set the display blocksize to Bytes, Kilobytes, Megabytes or Gigabytes [default: K] [possible values: B, K, M, G]
-v, --verbosity [<VERBOSITY>] Set verbosity for printed output [default: quiet] [possible values: quiet, duplicates, all]
-o, --output [<OUTPUT>] Set file to save all output. Use 'no' for no file output [default: Results.txt]
-f, --format [<FMT>] Set output format [default: standard] [possible values: standard, json]
-i, --ignore <IGNORE_DIRS> Directories to ignore (comma separated list)
-h, --help Print help information (use `--help` for more detail)
-V, --version Print version information
-m, --minimum [<MIN_SIZE>]
Minimum file size in bytes to consider [default: 0]
-b, --blocksize [<BLOCKSIZE>]
Set the display blocksize to Bytes, Kilobytes, Megabytes or Gigabytes [default: K] [possible values: B, K, M, G]
-v, --verbosity [<VERBOSITY>]
Set verbosity for printed output [default: quiet] [possible values: quiet, duplicates, all]
-o, --output [<OUTPUT>]
Set file to save all output. Use 'no' for no file output [default: Results.txt]
-f, --format [<FMT>]
Set output format [default: standard] [possible values: standard, json]
-i, --ignore <IGNORE_DIRS>
Directories to ignore (comma separated list)
-d, --directories <DIRECTORIES>...
Directories to parse
-h, --help
Print help information (use `--help` for more detail)
-V, --version
Print version information
```
## How Does DDH Work?
DDH works by hashing files to determine their uniqueness and, as such, depends heavily on disk speeds for performance. The algorithmic choices in use are discussed [here](https://darakian.github.io/2018/04/02/how-many-bytes-does-it-take.html).

2
src/main.rs
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@ -28,7 +28,7 @@ struct Args {
#[arg(short, long("ignore"), value_delimiter(','))]
ignore_dirs: Vec<String>,
/// Directories to parse
#[arg(value_parser, required = true)]
#[arg(short, long("directories"), value_delimiter(' '), num_args(1..), required = true)]
directories: Vec<String>,
}