> On Mar 4, 2019, at 10:00 AM, Daniel Templeton wrote:
>
> Do you want to file a JIRA for it, or shall I?
Given I haven’t done any Hadoop work in months and months …
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Do you want to file a JIRA for it, or shall I?
Daniel
On 3/4/19 9:55 AM, Allen Wittenauer wrote:
On Mar 4, 2019, at 9:33 AM, Daniel Templeton wrote:
Thanks! That's not even close to what the docs suggest it does--no idea what's
up with that.
It does. Here’s the paragraph:
"If
> On Mar 4, 2019, at 9:33 AM, Daniel Templeton wrote:
>
> Thanks! That's not even close to what the docs suggest it does--no idea
> what's up with that.
It does. Here’s the paragraph:
"If the first character of parameter is an exclamation point (!), a level of
variable
Thanks! That's not even close to what the docs suggest it does--no idea
what's up with that. With your example, I was able to figure out
exactly what the issue is. On Ubuntu 18/bash 4.4, dot is rejected in
the name of the variable to substitute, which is sane in principle as
dots aren't
> On Mar 1, 2019, at 3:04 PM, Daniel Templeton wrote:
>
> There are a bunch of uses of the bash syntax, "${!var}", in the Hadoop
> scripts. Can anyone explain to me what that syntax was supposed to achieve?
#!/usr/bin/env bash
j="hi"
m="bye"
k=j
echo ${!k}
k=m
echo ${!k}
