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filehash  

Simple Key-Value Database
View on CRAN: Click here


Download and install filehash package within the R console
Install from CRAN:
install.packages("filehash")

Install from Github:
library("remotes")
install_github("cran/filehash")

Install by package version:
library("remotes")
install_version("filehash", "2.4-6")



Attach the package and use:
library("filehash")
Maintained by
Roger D. Peng
[Scholar Profile | Author Map]
All associated links for this package
First Published: 2005-06-29
Latest Update: 2024-06-25
Description:
Implements a simple key-value style database where character string keys are associated with data values that are stored on the disk. A simple interface is provided for inserting, retrieving, and deleting data from the database. Utilities are provided that allow 'filehash' databases to be treated much like environments and lists are already used in R. These utilities are provided to encourage interactive and exploratory analysis on large datasets. Three different file formats for representing the database are currently available and new formats can easily be incorporated by third parties for use in the 'filehash' framework.
How to cite:
Roger D. Peng (2005). filehash: Simple Key-Value Database. R package version 2.4-6, https://cran.r-project.org/web/packages/filehash. Accessed 18 Sep. 2026.
Previous versions and publish date:
(2026-07-09 07:38), 0.2-1 (2005-08-26 07:32), 0.2 (2005-06-29 16:45), 0.3-2 (2005-11-18 20:06), 0.4-1 (2006-04-18 11:57), 0.4 (2006-02-07 16:34), 0.6-3 (2006-06-01 18:14), 0.8-1 (2006-09-29 13:14), 0.8 (2006-09-22 19:30), 0.9-1 (2007-02-16 09:56), 0.9-2 (2007-03-15 19:49), 0.9-4 (2007-04-11 10:21), 0.9 (2006-11-09 11:13), 1.0-1 (2007-08-13 21:58), 1.0 (2007-04-27 16:56), 1.1 (2008-05-02 10:59), 2.0-1 (2008-12-21 17:35), 2.0-2 (2010-01-27 11:51), 2.0 (2008-08-26 16:39), 2.1-1 (2010-10-05 18:37), 2.1 (2010-02-05 11:04), 2.2-1 (2012-03-14 22:38), 2.2-2 (2014-02-11 00:55), 2.2 (2011-07-23 15:52), 2.3 (2015-08-16 07:30), 2.4-1 (2017-04-07 19:39), 2.4-2 (2019-04-17 12:10), 2.4-3 (2022-03-01 22:40), 2.4-5 (2023-02-09 19:40)
Other packages that cited filehash R package
View filehash citation profile
Other R packages that filehash depends, imports, suggests or enhances
Complete documentation for filehash
Functions, R codes and Examples using the filehash R package
Some associated functions: coerceDB1RDS . coerceDB1list . coercelist . dbLoad . dumpEnv . filehash-class . filehashDB1-class . filehashFormats . filehashOption . filehashRDS-class . queue-class . registerFormatDB . stack-class . 
Some associated R codes: coerce.R . dump.R . filehash-DB1.R . filehash-RDS.R . filehash.R . hash.R . queue.R . stack.R . zzz.R .  Full filehash package functions and examples
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