1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
|
#! /bin/awk -f
#
# usage: [colorize=false] [scale=N] //ledger/lib/balance LEDGER_FILE
# see also: //cholerab/ledger-spec.markdown
#
BEGIN {
colorize = ENVIRON["colorize"] == "" || ENVIRON["colorize"] == "true"
# TODO use bc for arbitrary precision arithmetic
scale = ENVIRON["scale"]
}
/^[[:space:]]*[0-9]+-[0-9][0-9]-[0-9][0-9]/{
tx($2, $3, $4, $5)
}
END {
display_accounts()
}
function tx (dst, src, amt, u) {
withdraw(src, amt, u)
deposit(dst, amt, u)
}
function deposit (name, amt, u) {
accounts[name][u] += amt
}
function withdraw (name, amt, u) {
accounts[name][u] -= amt
}
function display_accounts() {
max_name_len = 0
for (name in accounts) {
if (length(name) > max_name_len) {
max_name_len = length(name)
}
}
max_balance_len = 0
for (name in accounts) {
for (u in accounts[name]) {
s = accounts[name][u]
sub(/\..*/, "", s)
if (length(s) > max_balance_len) {
max_balance_len = length(s)
}
}
}
if (scale > 0) {
max_balance_len += 1 + scale
}
for (name in accounts) {
for (u in accounts[name]) {
fmt = "NAME BALANCE UNIT\n"
balance = accounts[name][u]
if (colorize) {
sub("BALANCE", "[" (balance < 0 ? 31 : 32) "m&[m", fmt)
}
sub("NAME", "%-" max_name_len "s", fmt)
sub("BALANCE", "%" max_balance_len "." scale "f", fmt)
sub("UNIT", "%s", fmt)
printf fmt, name, balance, u
}
}
}
|
