Many command line operations require waiting before requiring input (eg compiling and using package managers). Many of these offer options for ignoring all questions but sometimes you don't want to do this (or miss an argument) but don't want to check the terminal all the time.
Is there a application that I can run in combination with these that will somehow alert me (sound?) that the application is finished/error or waiting for input?
A finished / error state notification is easy, the program in question has finished, so you can run another program e.g. play a sound file so you know e.g. the compilation has finished.
If it just waits for input or hangs, that's another thing.
if it's all command line, the terminal emulator "terminator" (in community) has options to either watch for silence or watch for activity. You can do it in GNU screen too.
And also in tmux: http://blog.hawkhost.com/2010/07/02/tmu … w-activity
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