Hi,
you can use strip() for that. This and some other very handy functions (e.g.
lstrip / rstrip) are listed in
http://docs.julialang.org/en/release-0.3/stdlib/strings/?highlight=strip#strings
cheers,
rene
Am 17.06.2015 um 11:38 schrieb Paul Analyst <paul.anal...@mail.com>:
> Is another way [1:end-1] to lost "\n" on the end of line?
>
> julia> readline(open("temp.txt"))[1:end]
> "1\n"
>
> julia> readline(open("temp.txt"))[1:end-1]
> "1"
> Paul
>
> W dniu 2015-06-17 o 11:33, Paul Analyst pisze:
>> Ok, sorry, i don`t see 1 line:)
>> Base.readline(s, i::Int) = (for (j,line) in enumerate(eachline(s)); if j==i;
>> return line; end; end; error("not enough lines"))
>>
>> Is oK ,big thx
>> Paul
>>
>> W dniu 2015-06-17 o 11:27, Paul Analyst pisze:
>>> Unfrtunatly can`t run, (in Julia 3.6 the same)
>>> _
>>> _ _ _(_)_ | A fresh approach to technical computing
>>> (_) | (_) (_) | Documentation: http://docs.julialang.org
>>> _ _ _| |_ __ _ | Type "help()" for help.
>>> | | | | | | |/ _` | |
>>> | | |_| | | | (_| | | Version 0.4.0-dev+2847 (2015-01-21 18:34 UTC)
>>> _/ |\__'_|_|_|\__'_| | Commit fc61385 (146 days old master)
>>> |__/ | x86_64-w64-mingw32
>>>
>>>
>>> julia> f = open("temp.txt","w")
>>> IOStream(<file temp.txt>)
>>>
>>> julia> for i in 1:20 write(f, "$i\n") end
>>>
>>> julia> close(f)
>>>
>>>
>>> julia> readline(open("temp.txt"), 15)
>>> ERROR: MethodError: `readline` has no method matching readline(::IOStream,
>>> ::Int64)SYSTEM: show(lasterr) caused an
>>> error
>>> julia> readline(open("temp.txt"))
>>> "1\n"
>>>
>>> julia> readline(open("temp.txt"))
>>> "1\n"
>>>
>>> julia> readlines(open("temp.txt"))
>>> 20-element Array{Union(ASCIIString,UTF8String),1}:
>>> "1\n"
>>> "2\n"
>>> "3\n"
>>> "4\n"
>>> "5\n"
>>> "6\n"
>>> "7\n"
>>> "8\n"
>>> "9\n"
>>> "10\n"
>>> "11\n"
>>> "12\n"
>>> "13\n"
>>> "14\n"
>>> "15\n"
>>> "16\n"
>>> "17\n"
>>> "18\n"
>>> "19\n"
>>> "20\n"
>>> Paul
>>> W dniu 2015-06-16 o 19:49, Tom Breloff pisze:
>>>> You could create your own:
>>>>
>>>> julia> Base.readline(s, i::Int) = (for (j,line) in enumerate(eachline(s));
>>>> if j==i; return line; end; end; error("not enough lines"))
>>>> readline (generic function with 4 methods)
>>>>
>>>> julia> f = open("/tmp/tmp.txt", "w")
>>>> IOStream(<file /tmp/tmp.txt>)
>>>>
>>>> julia> for i in 1:20 write(f, "$i\n") end
>>>>
>>>> julia> close(f)
>>>>
>>>> julia> readline(open("/tmp/tmp.txt"), 15)
>>>> "15\n"
>>>>
>>>> julia> readline(open("/tmp/tmp.txt"), 25)
>>>> ERROR: not enough lines
>>>> in readline at none:1
>>>>
>>>>
>>>>
>>>>
>>>> On Tuesday, June 16, 2015 at 12:17:28 PM UTC-4, paul analyst wrote:
>>>> If o is stream
>>>> o=open(file)
>>>>
>>>> how to read any line ?e.g. 15
>>>>
>>>> julia> readline(o,15)
>>>> ERROR: MethodError: `readline` has no method matching readline(::IOStream,
>>>> ::Int64)SYSTEM: show(lasterr) caused
>>>> error
>>>>
>>>> Paul
>>>
>>
>
