# "infinitivus" shortly is Inf , how to work with this?
**URL:** https://discourse.julialang.org/t/infinitivus-shortly-is-inf-how-to-work-with-this/9008
**Category:** General Usage
**Created:** [February 12, 2018, 9:09am UTC](https://discourse.julialang.org/t/infinitivus-shortly-is-inf-how-to-work-with-this/9008 "2018-02-12T09:09:12Z")
**Posts on this page:** 3
**Page:** 1
### Author:  [@programista](https://discourse.julialang.org/u/programista)
#### Post date: [February 12, 2018, 9:09am UTC](https://discourse.julialang.org/t/infinitivus-shortly-is-inf-how-to-work-with-this/9008/1 "2018-02-12T09:09:12Z")
Inf in Any Array (text) is recognzed like Float64. how to work with this ?
for i=1:k
Slow[i,2]=string(uppercase(slow[i,2][1]),string(slow[i,2][2:end]))
println(i)
end
…
920370
920371
ERROR: MethodError: no method matching uppercase(::Float64)
Closest candidates are:
uppercase(::LegacyStrings.ASCIIString) at C:\Users\PC.julia\v0.6\LegacyStrings\src\ascii.jl:60
uppercase(::Char) at strings/utf8proc.jl:201
uppercase(::AbstractString) at strings/basic.jl:401
Stacktrace:
[1] macro expansion at .\REPL[83]:2 [inlined]
[2] anonymous at .\:?
julia\> slow[920372,:]
2-element Array{Any,1}:
“infinitivus”
Inf
---
### Author:  [@ScottPJones](https://discourse.julialang.org/u/ScottPJones)
#### Post date: [February 12, 2018, 9:53am UTC](https://discourse.julialang.org/t/infinitivus-shortly-is-inf-how-to-work-with-this/9008/2 "2018-02-12T09:53:11Z")
That must have happened when you read the data in.
How did you input the data?
---
### Author:  [@programista](https://discourse.julialang.org/u/programista)
#### Post date: [February 14, 2018, 12:58pm UTC](https://discourse.julialang.org/t/infinitivus-shortly-is-inf-how-to-work-with-this/9008/3 "2018-02-14T12:58:21Z")
I am reading by readdlm
datafile is codin in UTF8 (without BOM)
a=readdlm(“data\datafile.txt”,‘;’)
slow=string.(a[:,1:2])
Paul
W dniu 2018-02-12 o 10:58, Scott Jones pisze: