arpankapoor / tblcompare

a fast tabular data comparison utility

tblcompare

a fast tabular file comparison utility.

features:

• strings are interned to save on the common strings in input files.
• input files are converted to columnar mmaped files on disk.
• output in minimal HTML format with no javascript (sample)

install

• install rust toolchain from https://rustup.rs
• cargo install tblcompare

usage

$ tblcompare \
    --left-file /path/to/leftFile.csv \
    --right-file /path/to/rightFile.csv \
    --key-cols keyCol1 keyCol2 keyCol3 \  # list of columns to identify each row
    --out-file /path/to/diff.html         # diff is output as an HTML file