> "\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] <javascript:>>
> 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
>>
>>
>>
