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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 7387c8f97b
commit cb5bb5e222
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Task/Update-a-configuration-file/Wren/update-a-configuration-file.wren Normal file
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import "io" for File
import "/ioutil" for FileUtil
import "/dynamic" for Tuple
import "/str" for Str
var fields = ["favouriteFruit", "needsPeeling", "seedsRemoved", "numberOfBananas", "numberOfStrawberries"]
var ConfigData = Tuple.create("ConfigData", fields)
var updateConfigFile = Fn.new { |fileName, cData|
var lines = File.read(fileName).trimEnd().split(FileUtil.lineBreak)
var tempFileName = "temp_%(fileName)"
var out = File.create(tempFileName)
var hadFruit = false
var hadPeeling = false
var hadSeeds = false
var hadBananas = false
var hadStrawberries = false
for (line in lines) {
var cont = false
if (line.isEmpty || line[0] == "#") {
out.writeBytes(line + "\n")
cont = true
}
if (!cont) {
var ln = Str.upper(line.trimStart(";").trim())
if (!ln.isEmpty) {
if (ln.take(14).join() == "FAVOURITEFRUIT") {
if (!hadFruit) {
hadFruit = true
out.writeBytes("FAVOURITEFRUIT %(cData.favouriteFruit)\n")
}
} else if (ln.take(12).join() == "NEEDSPEELING") {
if (!hadPeeling) {
hadPeeling = true
if (cData.needsPeeling) {
out.writeBytes("NEEDSPEELING\n")
} else {
out.writeBytes("; NEEDSPEELING\n")
}
}
} else if (ln.take(12).join() == "SEEDSREMOVED") {
if (!hadSeeds) {
hadSeeds = true
if (cData.seedsRemoved) {
out.writeBytes("SEEDSREMOVED\n")
} else {
out.writeBytes("; SEEDSREMOVED\n")
}
}
} else if (ln.take(15).join() == "NUMBEROFBANANAS") {
if (!hadBananas) {
hadBananas = true
out.writeBytes("NUMBEROFBANANAS %(cData.numberOfBananas)\n")
}
} else if (ln.take(20).join() == "NUMBEROFSTRAWBERRIES") {
if (!hadStrawberries) {
hadStrawberries = true
out.writeBytes("NUMBEROFSTRAWBERRIES %(cData.numberOfStrawberries)\n")
}
}
}
}
}
if (!hadFruit) {
out.writeBytes("FAVOURITEFRUIT %(cData.favouriteFruit)\n")
}
if (!hadPeeling) {
if (cData.needsPeeling) {
out.writeBytes("NEEDSPEELING\n")
} else {
out.writeBytes("; NEEDSPEELING\n")
}
}
if (!hadSeeds) {
if (cData.seedsRemoved) {
out.writeBytes("SEEDSREMOVED\n")
} else {
out.writeBytes("; SEEDSREMOVED\n")
}
}
if (!hadBananas) {
out.writeBytes("NUMBEROFBANANAS %(cData.numberOfBananas)\n")
}
if (!hadStrawberries) {
out.writeBytes("NUMBEROFSTRAWBERRIES %(cData.numberOfStrawberries)\n")
}
out.close()
FileUtil.move(tempFileName, fileName, true)
}
var fileName = "config.txt"
var cData = ConfigData.new("banana", false, true, 1024, 62000)
updateConfigFile.call(fileName, cData)