Reference

All functions

export2vcf()

Export contacts dataframe to VCF vcard file

import_telegramJSON()

Import JSON (from Telegram phone data export)

import_vcf()

Import data fram vcf file

prettify_phone_no()

Removes leading zeros, spaces in phone number

unify_most_char()

Collapsing vector in one element, which has max str length

vcard_item2df()

Parses lines of VCF for one contact and makes dataframe for it

write_contact()

Produces VCF contact record for ONE person dataframe rows