Command chaining #103
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Command chaining #103
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It is now possible to chain multiple commands using '&&', e.g. ``` :tag-load my_tag && open %m :write && quit ``` If any part fails, the following parts are not executed.
This allows defining aliases such as ``wq`` for ``write && quit``.
The alias is now only applied once all the splitting has been completed. This ensures that aliases which match others in part are not replaced preliminary. Consider, e.g. ``:q && quack`` where ``q`` is an alias for ``quit`` and ``quack`` is an alias for ``nop``. Before this would have been expanded to ``:quit && quituack`` in a first step destroying the second alias. This is now fixed by recursively splitting and expanding all the aliases until there is no more separator and alias left.
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This allows chaining multiple commands using
&&.Useful examples:
Aliasing to chained commands is possible even recursively. Unfortunately the alias
tag-openis still not very useful as the remaining argument, namely the tag NAME, would require to be in the middle of the alias (tag-load NAME && open %m) which is not supported by simple aliases.fixes #73