capser questions

• Perl subroutines - do they need to be called with parentheses? [duplicate]
• Difference between continue and colon in conditional statement
• How can I loop over a list four elements at a time?
• Using a while loop for iterating over an argument list goes on a infinite loop
• Bash - getting MAX value from a list of integers
• Undef value assigned to variable.
• bash variable interpolation separate variables by a hyphen or underscore
• Use Perl regex attributes in awk
• Date::Calc - format the day and month
• ssh with a set -o vi as first interactive command

capser answers