Practical Electron Microscopy and Database

Statements are the fundamental units of script execution in DM and C++. The statements within a script is evaluated in default order. In C++, the semicolon is a statement terminator. However, in DM scripts, a statement terminates simply by changing a line, namely DM recognizes the end of a line as a terminator, unless there is a backslash sign as discussed in the table below.

Some special, control flow statements are:
         i) if,
         ii) while,
         iii) for.

Other statements, such as block statement are used often as well. Variables declared within a block are local to that block.  They are not global to all statements in a script, that is, they are not globally accessible.