#!/bin/bash
: ' Read JSON Value from file. Data must be on single line.
/config.json
{"foo":"bar"}
'
file='config.json'
key='foo'
value=$(cat $file | sed 's/{.*\'$key'":"*\([0-9a-zA-Z]*\)"*,*.*}/\1/')
echo "The value is " $value
# ALTERNATE FUNCTION
##############################################
function get_value {
key=$1
value=$(cat $file | sed 's/{.*\'$key'":"*\([0-9a-zA-Z|.|_|-|\/]*\)"*,*.*}/\1/')
echo $value
}
foo=$(get_value 'foo')
echo $foo
The big caveat to all this; it will only work with JSON on 1 line. As soon as your break up the lines this fails to capture the data. So make your data really ugly -- NOT Pretty.
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