Notice that the string grows only when the current character is not already included in the string. You could also implement the script simply as an awk script like this: awk -v FS="" ‘{ for(i=1;i ...

Perl has long been an extremely popular choice for text processing due to its native regular expression support. In this primer we’ll give you a quick run down on how you can use regular ...

The JSP language uses Java syntax to create online websites. You use the "toUpperCase" function to convert a string value to all uppercase letters. You use this function when you want to display ...