NAME
Catmandu::Fix::lookup - change the value of a HASH key or ARRAY index by looking up its value in a dictionary
SYNOPSIS
# dictionary.csv
# id,planet
# 1,sun
# 2,earth
# 3,moon
# values found in the dictionary.csv will be replaced
# {foo => {bar => 2}}
lookup(foo.bar, dictionary.csv)
# {foo => {bar => 'earth'}}
# values not found will be kept
# {foo => {bar => 232}}
lookup(foo.bar, dictionary.csv)
# {foo => {bar => 232}}
# in case you have a different seperator
lookup(foo.bar, dictionary.csv, sep_char: |)
# delete value if the lookup fails:
lookup(foo.bar, dictionary.csv, delete: 1)
# use a default value if the lookup fails:
lookup(foo.bar, dictionary.csv, default: 'default value')