P is an esoteric programming language created by StelK around December 2005.
It has several commands for stack manipulation, conditional statements, file handling and so on...
In the site indicated below you can found some more documentation and an interpreter written in C++.
Text between "" is printed on the screen, P recognize the \n sequence. Here is a Hello World program:
99*8+t#21"1 "<\a+$a^" "[t@]>@
1z99*9+9++n<1-[z"1 bottle of beer on the wall\n""Take one down and pass it around\n"@]^" bottles of beer on the wall\n"^ " bottles of beer.\n"" Take one down and pass it around\n" >@"No more bottles of beer on the wa ll\n"&