Improve support for interactive mode
Open
@klmr is already working on this.
Since Nov 27, 2015.
enhancement
- Dominant language
- R
- Stars
- 13
- Forks
- 1
- PR merge metrics
- No merged PRs in 30d
Description
If sys$cmdline$parse is run in interactive mode, provide a prompt for the user to enter the command line usage.
Problem: how to enter arguments?
- As a shell command line
- + more natural
- + harder to make mistake
- + can copy & paste from actual command line
- − how to parse this in R to be consistent with shell?
- potential solution: spawn subprocess, pass arguments un-shell-quoted, return output of
commandArgs().
- potential solution: spawn subprocess, pass arguments un-shell-quoted, return output of
- As an R expression
- + consistent usage
- + allows reusing predefined R variables
- … but then, why bother calling
parse?
- … but then, why bother calling
- Allow either
- how?
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