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Revision 1.4, Tue Nov 3 09:14:03 2020 UTC (3 years, 4 months ago) by schwarze
Branch: MAIN
Changes since 1.3: +3 -3 lines

Fix three minor issues:
1. Correct the regex that modifies import selectors to not delete commas,
to process all fields, and to not violate field boundaries
2. In the import configuration, use the first, not the last match,
to make it easier to understand and more efficient.
3. For error handling, use die() instead of print().
OK Freda Bundchen

#!/usr/bin/perl 

# Copyright (c) 2020 Freda Bundchen

# Permission to use, copy, modify, and distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

use warnings;
use strict;

# === SUBROUTINES  =====================================================

sub import_chase_credit_card {
	my $csv_account = "1234";	# DEBUG. hard-coded for now
	my $fn = 'import_chase_credit.txt';
	my (@compiled, %bookings, %accounts);
	open my $in, $fn or die "$fn: $!";
	while (<$in>) {
		chomp;
		next if /^(?:#|$)/;
		my $line = $_;
		s/^(.*),\s+(\d+)\s+(\S+)// or 
		    die "$fn import parse error: $line";
		my ($reg, $account, $booking) = ($1, $2, $3);
		$reg =~ s/(?:^|(?<=,))(?:$|(?=,))/[^,]*/g;
		$reg = qr/$reg/;
		push @compiled, $reg;
		$bookings{$reg} = $booking;
		$accounts{$reg} = $account;
	}
	close $in;
	while (<>) {
		chomp;
		s#(\d+)/(\d+)/(\d+)#$3$1$2#g; 
		my $line = $_;
		my ($trans_date, $post_date, $description, $category, 
		    $type, $amount) = split /,/;
		$description =~ s/#//g;
		my ($debit, $credit);
		my $booking = "";
		my $account = "";
		foreach my $regex (@compiled) {
			if ($line =~ /$regex/) {
				$account = $accounts{$regex};
				$booking = $bookings{$regex};
				last;
			}
		}
		if ($booking eq "" || $account eq "") {
			die "$fn import parse error: $line";
		}
		if ($amount <= 0) {
			$amount = substr $amount, 1;
			$credit = $csv_account;	
			$debit = $account;
		} else {
			$debit = $csv_account;	
			$credit = $account;
		}
		print "$post_date $booking $debit $credit $amount " .
		    "$description\n";
	}
}

# === MAIN PROGRAM =====================================================

my ($chase_credit_card_header, $firstLine);
$chase_credit_card_header = "Transaction Date,Post Date," .
    "Description,Category,Type,Amount";
chomp($firstLine = <>);
if ($firstLine eq $chase_credit_card_header) {
	import_chase_credit_card;
} else {
	die "Undefined header: $firstLine";
}