Created
February 15, 2016 09:46
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CSV 2 JSON in Bash
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#!/bin/bash | |
# CSV to JSON converter using BASH | |
# Usage ./csv2json input.csv > output.json | |
# http://blog.secaserver.com/2013/12/convert-csv-json-bash/ | |
input=$1 | |
[ -z $1 ] && echo "No CSV input file specified" && exit 1 | |
[ ! -e $input ] && echo "Unable to locate $1" && exit 1 | |
read first_line < $input | |
a=0 | |
headings=`echo $first_line | awk -F, {'print NF'}` | |
lines=`cat $input | wc -l` | |
while [ $a -lt $headings ] | |
do | |
head_array[$a]=$(echo $first_line | awk -v x=$(($a + 1)) -F"," '{print $x}') | |
a=$(($a+1)) | |
done | |
c=0 | |
echo "{" | |
while [ $c -lt $lines ] | |
do | |
read each_line | |
if [ $c -ne 0 ]; then | |
d=0 | |
echo -n "{" | |
while [ $d -lt $headings ] | |
do | |
each_element=$(echo $each_line | awk -v y=$(($d + 1)) -F"," '{print $y}') | |
if [ $d -ne $(($headings-1)) ]; then | |
echo -n ${head_array[$d]}":"$each_element"," | |
else | |
echo -n ${head_array[$d]}":"$each_element | |
fi | |
d=$(($d+1)) | |
done | |
if [ $c -eq $(($lines-1)) ]; then | |
echo "}" | |
else | |
echo "}," | |
fi | |
fi | |
c=$(($c+1)) | |
done < $input | |
echo "}" |
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