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  • License: Freeware
  • Last update: 7 years ago
  • Total downloads: 221
  • Price: Free |
  • Operating system: Win All
  • Publisher: Andrew Koupparis
See full specifications

windows default iconCRC32 Calculator Command Line Publisher's description

Calculate the 32-bit Cyclic Redundency Check (CRC) of a given file

The CRC32 Calculator Command Line application will calculate the 32-bit Cyclic Redundency Check (CRC) of a given file.

CRC [/?]
CRC filename [/F /H /S /D /Bxxxx /R]

Wildcards are allowed (ex. *.*)

/F to display full filename
/H to include hidden files
/S to include system files
/D to scan subdirectories
/Bxxxx to set the buffer size in Kbytes - Default = 1024
/R to supress progress report
/? displays this screen

Parameters may stack (you can type /fhsdrb1024 and it will be accepted)

You may wish to increase buffer size if dealing with *large* files, do not however use a larger buffer than the physical memory. The minimum value is 1 KB = 1024 bytes, the default is 1 MB. Depending on the system, the available RAM and the file size different values may have quicker results. If the file is larger than the buffer you will also see a progress indicator.

The result will be something like: "filename - CRC32: $xxxxxxxx" or, if you use wildcards (as *.*) a list of the files and their CRCs.
Note that the procedure may take time for large (or many) files, so using a command like: crc32 *.* /d in the root directory may *take a while*.

The great thing about command-line is that using the " >filename" parameter you pass the results to the file. So a "crc32 *.* /fhsdr >result.txt" will create a quite flexible result list.

System Requirements:

No special requirements.
Program Release Status:
Program Install Support: Install and Uninstall

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