A set of Unix command line tools for quick and convenient batch processing of tabular text files (a.k.a., tab-delimited, csv, or flat file format) with a header line. Provides delimiter and compression detection, column reference by name.

* tblmap: per-line ("map") computation: derive columns through an expression, delete, reorder, filter rows.

* tblred: compute ("reduce") aggregations (e.g., sum, average) over groups defined by key columns.

* tbldesc: Summarize columns in file (e.g., proportion of character/numeric values, min/mean/median/max, missing values, correlation with a target column).

* tbljoin: Relational join without the need of pre-sorting and column matching.

* ...

See HostedApps/MediaWiki for examples.

Project Activity

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Categories

Mathematics, Information Analysis, CSV

License

GNU General Public License version 3.0 (GPLv3)

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Additional Project Details

Operating Systems

BSD, Cygwin, Linux

Intended Audience

Advanced End Users, Developers, End Users/Desktop, Engineering, Science/Research

User Interface

Command-line

Programming Language

Perl, Python, Unix Shell

Related Categories

Unix Shell Mathematics Software, Unix Shell Information Analysis Software, Unix Shell CSV Software, Python Mathematics Software, Python Information Analysis Software, Python CSV Software, Perl Mathematics Software, Perl Information Analysis Software, Perl CSV Software

Registered

2009-06-17
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