Linda Walsh wrote:
Seem to fail on any negative number, but 'exit status' is defined
as a short int -- not an unsigned value (i.e. -1 would return 255).
Bob Proulx wrote:
Eric Blake wrote:
Linda Walsh wrote:
I guess I don't use negative return codes that often in shell, but
I use them a
return (and exit) returns an exit code between 0 and 255. Zero means
true and anything else means false
If you want a function to "return" a value, use printf or echo.
On Fri, Aug 5, 2011 at 6:41 PM, Linda Walsh wrote:
>
>
>
> I guess I don't use negative return codes that often in shell, but
>
Eric Blake wrote:
> Linda Walsh wrote:
> >I guess I don't use negative return codes that often in shell, but
> >I use them as exit codes reasonably often.
For all of the reasons Eric mentioned you won't ever actually be able
to see a negative result of an exit code however.
> >'return' barfs on "
On 08/05/2011 05:41 PM, Linda Walsh wrote:
I guess I don't use negative return codes that often in shell, but
I use them as exit codes reasonably often.
'return' barfs on "return -1"...
Since return is defined to take no options, and ONLY an integer,
as the return code, it shouldn't be hard to
I guess I don't use negative return codes that often in shell, but
I use them as exit codes reasonably often.
'return' barfs on "return -1"...
Since return is defined to take no options, and ONLY an integer,
as the return code, it shouldn't be hard to fix.
Seem to fail on any negative number
On 8/5/2011 9:08 AM, Maarten Billemont wrote:
IFS=
aa=()
while read line
do
aa+=("$line")
done< fn
You should really put that IFS= on your 'read', so as not to break the default
wordsplitting for the rest of your script:
For purposes of giving concise examples on this email list, I wrote
> IFS=
> aa=()
> while read line
> do
> aa+=("$line")
> done < fn
You should really put that IFS= on your 'read', so as not to break the default
wordsplitting for the rest of your script:
while IFS= read -r line
> vs.
> IFS=$'\n'
> aa=($(< fn))
Don't leave expansions unquoted! you're still p
