Take notes on the command line: Difference between revisions

=={{header|D}}==

<lang d>import std.stdio, std.file, std.string, std.datetime;

void main(string[] args) {

enum filename = "NOTES.TXT";

if (args.length == 1 && exists(filename) && isFile(filename)) {

auto f = File(filename, "r");

foreach (line; f.byLine())

writeln(line);

} else {

auto f = File(filename, "a+");

f.writefln("%s", cast(DateTime)Clock.currTime());

f.writefln("\t%s", args[1 .. $].join(" "));

}

}</lang>

{{out}}

<pre>C:\notes Permission to speak, sir!

C:\notes They don't like it up 'm, sir, they don't like it up 'm!

C:\notes Don't panic! DON'T PANIC!

C:\notes

2013-Mar-01 17:50:38

Permission to speak, sir!

2013-Mar-01 17:51:00

They don't like it up 'm, sir, they don't like it up 'm!

2013-Mar-01 17:52:18

Don't panic! DON'T PANIC!</pre>