89 lines
2.8 KiB
Markdown
89 lines
2.8 KiB
Markdown
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Keep track of your piggy bank.
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Every time you put coins in or take them out of your piggy bank, write here down
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how much did you put or take. So you won't have to spend time to count them when
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you decide to take them all out.
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Yes, only coins, no banknots. Well, you actually can easily add support for
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banknots, but table will become indeed wide.
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# Usage
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This is a CLI program that is broken down to three separate programs:
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- `piggybank-put` — puts coins in a piggy bank and create a new one if
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there is no such file;
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- `piggybank-take` — takes coins from an existsing piggy bank file;
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- `piggybank-show` — shows summarised information on a piggy bank and,
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optionally, print a list of transactions.
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## Common flags
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```bash
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piggybank-* [(-h | --help) | (-v | --version) | --list-currencies]
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```
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Those three flags are very self-explanatory. The first one will print the help.
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The second — version and license. And the last one will print all
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supported currencies. They are not combinable.
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## How to put coins in
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```bash
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piggybank-put <file> [-r | --reverse] <coins> [(-c | --currency) <currency>]
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```
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Here's how to put coins in a piggybank file. It will also create a file if it
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doesn't exist.
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<file> is a name of a piggy bank file wich may not have a .pb extension at the
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end, it will be added automatically.
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<coins> is a set of coins' counts separated with space character. For example:
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0 0 0 5 0 4 6 7. By default trailing zeroes will be added from the
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left. So if you wrote something like 6 0 5 12 then it will be complemented to
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0 0 0 0 6 0 5 12 if currency has 8 coins.
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--reverse flag reverses the order of coins. By default they come from least
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significant face value to the most significant one and as stated above being
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complemented from left so a set shorter than number of coins in a currency,
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e.g. 5 8 4 will be interpreted as 0 0 0 0 0 5 8 4. And this flag will make it
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to be interpreted as 5 8 4 0 0 0 0 0. It is convenient if you want to add only
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coins of low face value (e.g. cents or kopeks).
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--currency parameter specifies the currency of a new piggy bank. It will not
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change currency of an existing piggy bank.
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### Examples:
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piggybank-put example.pb 7 4 3 0 5 -c euro
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piggybank-put example -r 0 4 6
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## How to take coins out
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```bash
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piggybank-take <file> [-r | --reverse] <coins>
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```
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All the parameters are explained above. `--currency` flag is not applicable
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here. It just takes coins out rather putting them in.
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### Examples:
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```bash
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piggybank-take example.pb -r 0 0 4
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```
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## How to see what do you have
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piggybank-show <file> [-t | --transactions]
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Without -t flag only summarised information will be printed. --transactions flag
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tells the program to print out all the transactions stored in a piggy bank.
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### Examples:
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```bash
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piggybank-show example.pb -t
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```
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