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#!/usr/bin/bash
# convert USA local call NXX list from http://localcallingguide.com/
# to HylaFax+ dialrules
set -u
set -e
g_area='517'
if [ -z "${1:-}" ]; then
echo "Usage: $(basename "$0") npamytown-date.txt > npamytown.txt"
echo "Create nnx.txt from local nnx listing at"
echo "http://localcallingguide.com/"
echo "Search, Area Code/Prefix, ..., ..., Local prefixes"
exit 1
fi
_fn_proc() {
if [ ! -z "${nx}" ]; then
#if [ ! -z "${message}" ]; then
# echo "${message}"
# message=''
#fi
local tx
if [ "${#x}" -gt 1 ]; then
x="[${x}]"
tx="${nx}${x}"
nxt+=("")
else
tx="${nx}${x}"
nxt+=($'\t') # keep tabs lined up
fi
#local _tx="(${nx}${x})"
nxn+=("${tx}")
nxl+=("${npas[2]}")
nxa+=("${npas[0]}")
nx=''
x=''
fi
}
_fn_print() {
# output dialrules regex, no longer useful now that 10 digit dialing is required
local dt="$(date +'%F %T')"
printf '\n'
printf '! local dialrules NNX list\n'
printf '! generated %s by localnxxtoregex.sh %s from Arch Linux HylaFax+ package\n' "${dt}" "$1"
printf '! As of October 24, 2021 no more 7 digit dialing\n'
local k a
for k in "${!nxn[@]}"; do
a="${nxa[k]}"
if [ "${a}" = "${g_area}" ]; then
a='${Area}'
fi
printf '! ^${Country}%s(%s)%s\t= \\1\t\t! USA NNX/NXX local %s calls\n' "${a}" "${nxn[k]}" "${nxt[k]}" "${nxl[k]}"
done
# output jobcontrol-local case shell match statement
printf '\n # local jobcontrol-local NNX list generated %s by localnxxtoregex.sh %s from Arch Linux HylaFax+ package\n' "${dt}" "$1"
printf ' '
local bar=''
for k in "${!nxn[@]}"; do
printf '%s%s%s*' "${bar}" "${nxa[k]}" "${nxn[k]}"
bar='|'
done
printf ')\n'
}
while [ "$#" -gt 0 ]; do
readarray -t npalist < <(grep '^[0-9]' "$1" | LC_ALL=C sort)
#declare -p npalist
nxl=() # list of city names
nxn=() # list of nnx 55[567]
nxa=() # list of area codes 517
nxt=() # list of tab or not tab
nx=''
x=''
# 555 & 556 will be coalesced into 55[56]
#NPA;NXX;Rate Centre;Region;Plan Type;Call Type;Monthly Limit;Note;Effective
#517;555;Operator;MI;;;;;
#517;556;Operator;MI;;;;;
#517;560;Operator;MI;;;;;
#517;570;Operator;MI;;;;;
for npaline in "${npalist[@]}"; do
IFS=';' read -r -a npas <<<"${npaline}"
nnx="${npas[1]}"
if [ "${nnx#${nx}}" != "${nnx}" ]; then
x+="${nnx: 2:1}"
else
_fn_proc
nx="${nnx: 0:2}"
x="${nnx: 2:1}"
fi
done
_fn_proc
unset npalist nx x npaline npas nnx
#set > x
_fn_print "$1"
shift
done
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