What kind of strange shell syntax is hidden behind $((40-35)) and how come it calculates a value? Example: $> echo $((40-35)) 5
I have a simple script that deals with hours and minutes. If I want to calculate number of minutes since midnight having a string s hh:mm I tried splitting string then doing hh * 60 + mm My problem ...
I have a variable containing a leading zeroes number, and I want to grep this variable and that same variable plus one. I made several attempts but ran into errors. Here's what I want to do: read var ...
I need to output the sum of a grep results for a certain time, for now i hard coded the time grep but any help will be very much appreciated, my problem is i cant output the results on the script. If ...
How can I 'read/interpret' 8 bytes as an unsigned int (Little Endian)? Perhaps there is a Bash-fu magic conversion for this? UPDATE: It seems that something got cross-wired in the interpretation of ...