Yes, and we can also do
julia> replace(@sprintf("one line
another line"), '\n', "")
"one line another line"
but this is ugly and should not be necessary.
The more I think on this more it looks like a bug to me.
quinta-feira, 27 de Agosto de 2015 às 05:39:59 UTC+1, Tero Frondelius
escreveu:
>
> Maybe the trivial solution is the best solution here:
>
> julia> string = "some text here"
> "some text here"
>
> julia> string = string * " some more text here"
> "some text here some more text here"
>
> julia>
>
>
>
> On Thursday, August 27, 2015 at 2:36:17 AM UTC+3, J Luis wrote:
>>
>>
>> "\e" is the shorthand for typing the escape character, you will probably
>>> want to escape the backslash like so: `\\`.
>>>
>>
>> Yes, it was a wrong copy past. Other option is to declare the variable as
>>
>>
>>
>>> It looks like you may be trying to create a command string, but you've
>>> used string delimiters (") instead of cmd delimiters (`).
>>>
>>
>> Right, its a command string but it needs to be a string that is later
>> passed to the external program who will parse it. For example, this does a
>> DouglasPeucker line simplification of a ... random line
>>
>> julia> t = gmt("simplify -T0.2", rand(50,2))
>> 40x2 Array{Float64,2}:
>> 3.05622e-5 0.225977
>> 0.43428 0.902914
>> 0.290981 0.230531
>> 0.757591 0.71268
>> ...
>>
>>
>>> Julia always uses the entire literal string (include embedded newlines)
>>> until the closing " character). Because some characters (like a newline)
>>> cannot be directly printed, Julia shows it as \n when representing it in ""
>>> quotes to display the variable. Similarly, it prints a literal " as \" so
>>> that you can tell that the " is part of the string and not indicating the
>>> termination of the string.
>>>
>>
>> So, one can't create strings without that '\n' whose construct spans
>> over more than one line?
>>
>>>
>>>
>>> On Wed, Aug 26, 2015 at 7:00 PM J Luis <[email protected]> wrote:
>>>
>>>> I need to build a command as a string to pass to an external program
>>>> (GMT), so I started to build it this way
>>>>
>>>> julia> ps = "V:\example_23.ps";
>>>>
>>>> julia> name="Rome";
>>>>
>>>> julia> "pscoast -Rg -JH90/9i -Glightgreen -Sblue -A1000 -Dc -Bg30
>>>> -B+t\"Distances from " * name * " to the World\" -K
>>>> -Wthinnest > " * ps
>>>>
>>>> "pscoast -Rg -JH90/9i -Glightgreen -Sblue -A1000 -Dc -Bg30\n
>>>> -B+t\"Distances from Rome to the World\" -K -Wthinnest > V:\
>>>> example_23.ps"
>>>>
>>>>
>>>> Two things here. Shouldn't the \" show up as quote char in the string
>>>> (that is , without the '\')?
>>>>
>>>> But the second is worst. Why is it adding that '\n' (note it after the
>>>> '-Bg30')?
>>>> Because of this spurious '\n' the call to the GMT program fails. It
>>>> does work if I create the cmd string in a single line but I should not be
>>>> forced to do so
>>>>
>>>> Thanks
>>>>
>>>> Joaquim
>>>>
>>>>
>>>>
