Regex: How to remove extra spaces between strings in Perl
问题 I am working on a program that take user input for two file names. Unfortunately, the program can easily break if the user does not follow the specified format of the input. I want to write code that improves its resiliency against these types of errors. You'll understand when you see my code: # Ask the user for the filename of the qseq file and barcode.txt file print "Please enter the name of the qseq file and the barcode file separated by a comma:"; # user should enter filenames like this: