Re: Bashism (Was: Locale testing)

["Dotan Cohen" <dotancohen@gmail.com>]

2008/12/6 Tzafrir Cohen <tzafrir@cohens.org.il>:
>  VAR="value" command
>
> will run 'command' with the variable VAR set to "value".
>
> This is why you get a strange error with the following:
>
>  VAR=value with spaces
>
> It will complain about trying to run the command 'with spaces' (or
> rather: command 'with' with parameter 'spaces').
>
>> nor the export command, but why is the "exec" preferable?
>
> exec (like all the exec* system calls) replace the current process.
>
> Try an 'strace -f' following script:
>
>  #!/bin/sh
>  exec /bin/true
>
> which will show you that no forking was done, vs:
>
>  #!/bin/sh
>  /bin/true
>
> Which runs /bin/true in a sub process, waits for it to exit and only
> then exist.
>

+5 Informative, thanks!

-- 
Dotan Cohen

http://what-is-what.com
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