capser questions

• 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
• Using __DATA__ in a program
• formatted printing in awk [duplicate]
• Using 'if' within a 'while' loop in Bash

capser answers