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utilities.jl
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utilities.jl
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"""
callout()
receives a String message
produces a sound representation of the message through speakers
"""
function callout(mess::String)
# padsp is necessary for me to play through pulseaudio
# ignorestatus is useful since flite may perform the audio but does not exit cleanly with 0
cmd = ignorestatus(`padsp flite "$mess"`)
run(cmd);
end
#
"""
checkmem()
checks memory remaining as percentage (headroom)
returns decimal fraction in range 0.0:1.0
"""
function checkmem()
# -b returns values in bytes
cmd = `free -b`
lins = readlines(cmd)
lina = split(lins[2]," ",keepempty=false)
# available divided by total
return parse(Int,lina[7])/parse(Int,lina[2])
end
"""
checkcpu()
reports back the temperature of the CPU
"""
function checkcpu()
# function to check state of cpu temperature
# assumes that Julia is using all cores equally
cmd = `sensors`
# alternatively get the json output from sensors
sens = readlines(cmd)
# examine only those lines related to cores
cs = sens[contains.(sens,"Core")]
# create a vector to store the individual core temperatures
ts = Vector{Real}()
# reg expression to extract real values
R = r"\d+\.\d+"
ncores = length(cs)
for i in 1:ncores
f = findall(R,cs[i])
t = cs[i][f[1]]
push!(ts,parse(Float32,t))
end
# return the average of the core temperatures
return sum(ts)/ncores
end