ipld-eth-state-snapshot/scripts/find-bad-rows.sh
prathamesh0 be544a3424
Add helper scripts for data dump correction (#57)
* Add a script to find bad data in CSV file dumps

* Add a script to delete bad rows from CSV file dumps

* Add instructions to run the scripts

* Reorganize instructions
2022-08-17 15:14:14 +05:30

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#!/bin/bash
# flags
# -i <input-file>: Input data file path
# -c <expected-columns>: Expected number of columns in each row of the input file
# -o [output-file]: Output destination file path (default: STDOUT)
# -d [include-data]: Whether to include the data row in output (true | false) (default: false)
# eg: ./scripts/find-bad-rows.sh -i eth.state_cids.csv -c 8 -o res.txt -d true
# output: 1 9 1500000,xxxxxxxx,0x83952d392f9b0059eea94b10d1a095eefb1943ea91595a16c6698757127d4e1c,,
# baglacgzasvqcntdahkxhufdnkm7a22s2eetj6mx6nzkarwxtkvy4x3bubdgq,\x0f,0,f,/blocks/,
# DMQJKYBGZRQDVLT2CRWVGPQNNJNCCJU7GL7G4VAI3LZVK4OL5Q2ARTI
while getopts i:c:o:d: OPTION
do
case "${OPTION}" in
i) inputFile=${OPTARG};;
c) expectedColumns=${OPTARG};;
o) outputFile=${OPTARG};;
d) data=${OPTARG};;
esac
done
timestamp=$(date +%s)
# if data requested, dump row number, number of columns and the row
if [ "${data}" = true ] ; then
if [ -z "${outputFile}" ]; then
awk -F"," "NF!=${expectedColumns} {print NR, NF, \$0}" < ${inputFile}
else
awk -F"," "NF!=${expectedColumns} {print NR, NF, \$0}" < ${inputFile} > ${outputFile}
fi
# else, dump only row number, number of columns
else
if [ -z "${outputFile}" ]; then
awk -F"," "NF!=${expectedColumns} {print NR, NF}" < ${inputFile}
else
awk -F"," "NF!=${expectedColumns} {print NR, NF}" < ${inputFile} > ${outputFile}
fi
fi
difference=$(($(date +%s)-timestamp))
echo Time taken: $(date -d@${difference} -u +%H:%M:%S)