The commands in the
gogo scope provide a few additional tools that are especially useful when scripting a recurrent set of operations. We will cover some of them here.
echo command will evaluate its arguments and display the result on the console. For example:
g! var1 = 'this is' this is g! var2 = ' a string' a string g! echo $var1$var2 this is a string
grep command is used to search the input for lines that match a given pattern; it is very similar to the Unix
grep tool. The input is either standard input, the output of a command piped to grep, or the contents of files.
grep command will return
false if there were no lines in the input that match the pattern. It will return
Its usage is as ...