jakekara/kilgoretrout
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KILGORE TROUT A tabular data manipulation from the command line ABOUT This is just an outgrowth of a cleanup project I'm working on. It grew into a pretty useful tool, but it's bumping up against the functionality of csvkit (csvkit.readthedocs.io), which is better, so use that. PROS One cool feature of kilgore is that you can write procedures -- python scripts to do something "domain-specific" -- and add them to the package, then call those procedures with the --load argument. This is how I kept the project-specific functionality separate from the general use functionality of CSV manipulation. CONS This was not built for efficiency. This is mostly just a Pandas wrapper, and each transformation you do adds a (usually) O(n) operation. Again, csvkit is better and more robust, so use that. INSTALLATION pip install git+git://github.com/jakekara/kilgoretrout EXAMPLE DEMO The demo folder contains some raw data, some cleaned up data in both CSV and JSON formats, and a scripts folder containing all the code to get the data from raw to clean. They are meant to be run from the demo directory, since the paths are relative. To run them all at once, use: $ scripts/all.sh scripts: scripts/forceutf8.sh - use iconv to make sure stream is valid utf-8 only, dropping bad characters scripts/absenteeism.sh - create tables related to chronic absenteeism scripts/master_school_list.sh - create master list of schools scripts/all_to_json.sh - converts all the CSVs created with the above scripts to JSON scripts/all.sh - run all of the scripts above USAGE $ kilgore --help usage: kilgore [-h] [-s SKIPROWS] [-t] [-d DROP] [-a ADD] [-p] [-j] [-f] [-i INPUT] [-c COLNAMES] [-r ROWS] [-l LOAD] Kilgore - tabular data stream manipulation optional arguments: -h, --help show this help message and exit -s SKIPROWS, --skiprows SKIPROWS Number of rows to skip -t, --transpose Transpose table -d DROP, --drop DROP Drop (exclude) a column -a ADD, --add ADD Add (include) a column (supercedes drop) -p, --pretty Prettify column names -j, --json -f, --force Read all input as strings -i INPUT, --input INPUT File to process -c COLNAMES, --colnames COLNAMES set columns: --colnames=[COL1,COL2,COL3,...] -r ROWS, --rows ROWS print N rows -l LOAD, --load LOAD load registered procedure
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I need to script a lot of CSV stream cleanup.
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