library(rjson)
dir.name <- '../Data/history/expr/json'
tpm.file <- '../Data/history/expr/TPM.txt'
take.log <- 'YES'
X <- read.table(tpm.file, header=T, check.names=FALSE, sep="\t")
gene.id <- as.vector(X[,1])
X[,1] <- NULL # remove first column
if (take.log == 'YES') {
    X <- log(X+1)
}
if (!dir.exists(dir.name)) {
    dir.create(dir.name)
}
for (i in 1:dim(X)[1]) {
    y <- toJSON(X[i,])
    file.name = paste(dir.name, paste(gene.id[i], 'json', sep='.'), sep='/')
    cat(y, file=file.name)
}