Special tokens don't work in aliases

[John-Bush14]

Some special tokens don't work in aliases.

affected tokens (I found)

• &&
• ;
• |
• \
• >
• >>

example affected commands

• alias test='echo && echo succes'; test

  • which wil return " && echo succes"

• alias test='echo; echo succes'; test

  • where it thinks ; is part of the command an returns the error "ERROR echo;: command not found"

[reubeno]

Thanks for reporting this! I can reproduce the error you're seeing.

I took a quick look back at the implementation; today, brush's current implementation of aliases only supports replacing the arguments of a simple command being invoked. The examples you mention are cases that require the full expected functionality hinted at in the comments on #57 -- i.e., that the shell needs to expand the alias early enough in the parsing process to handle the expansion including other command syntax (e.g., redirection, pipelines, for loops or other compound commands).

@39555 -- if we end up moving to an alternate parser as you've been proposing, that seems like it would also enable us to properly implement aliases once and for all.