Tagged Questions
2
votes
1answer
92 views
Standard command line syntax ambigiuty in interpretation rules?
This question is somewhat similar to this: Unix/Linux command syntax
Suppose I have a program foo that takes arguments -a and -b. If both a and b take a string argument what is the meaning of this
...
16
votes
6answers
633 views
How stable are Unix shell “stdin/stdout APIs”?
grepping, awking, sedding, and piping are day-to-day routine of a user of any Unix-like operating system, may it be on the command line or inside a shell script (collectively called filters from now ...
4
votes
2answers
129 views
What's the “Unix way” for a CLI app to report no arguments specified?
I'm developing an application which I'd like to follow the "Unix way."
What should I program it to do in case it is called with no arguments (which makes no practical sense):
display an error ...
6
votes
2answers
189 views
What is not shell specific?
Under some answers, I see comments that recommend avoiding shell specific commands in answers.
How do I know which commands, operators, etc exist in all shells? Is there a list of standards?
man ...
1
vote
1answer
139 views
What's the standard used by yum prompt “Is this ok [y/N]:”?
I can see that uppercase letter means default here. Is there a standard for this? I'd like to read the full standards.
10
votes
1answer
1k views
What protocol/standard is used by terminals?
I was wondering how the "GUI" of a command line application is communicated over a network. Most of the time, it's quite simple (plain text / input) but sometimes it's more complex (aptitude).
Is it ...
