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Re: multi-line alias executed out of order


From: Chet Ramey
Subject: Re: multi-line alias executed out of order
Date: Tue, 17 Dec 2013 10:14:23 -0500
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:24.0) Gecko/20100101 Thunderbird/24.0.1

> Description:In a multi-line alias, where entries are separated by semi-colon, 
> "source" commands are not executed in-step with all the other commands.  
> After all the non "source" commands are executed, the "source" commands are 
> executed in reverse order.  See below for an example.
> Repeat-By:
> address@hidden:~$ cat script.sh#!/bin/bash(echo -n "$1 "; date 
> +%S.%N)address@hidden:~$ alias foo1alias foo1='~/script.sh one; source 
> ~/script.sh two; source ~/script.sh three; ~/script.sh four'address@hidden:~$ 
> alias foo2alias foo2='~/script.sh one;source ~/script.sh two;source 
> ~/script.sh three;~/script.sh four;'address@hidden:~$ foo1one 09.742581873two 
> 09.745315889three 09.749212492four address@hidden:~$ foo2one 11.805819275four 
> 11.819741270three 11.828260887two 11.829470548
> Fix:
> Use a single-line alias.  Or use the "&&" operator to chain commands (which 
> changes the functionality to be short-circuit evaluations).

I can't reproduce this on Mac OS X or RHEL 5.  You might also consider
adding a few newlines into your report for readability.

Chet
-- 
``The lyf so short, the craft so long to lerne.'' - Chaucer
                 ``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, ITS, CWRU    address@hidden    http://cnswww.cns.cwru.edu/~chet/



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