annotate chartskit.r @ 14:62cc1d32421c draft

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#!/usr/bin/Rscript

# convert multi parameter string (i.e. key1: value, key2: value, ...) to object
split <- function(argument){
    # process parameter string
    options <- list()
    list <- gsub("\\s","", argument)
    list <- strsplit(list, ",")
    if (length(list) > 0) {
        list <- list[[1]]
        for (entry in list) {
            pair <- strsplit(entry, ":")
            if (length(pair) > 0) {
                pair <- pair[[1]]
                if (length(pair) == 2) {
                    options[[pair[1]]] <- pair[2]
                }
            }
        }
    }
    return(options)
}

# load package
if('getopt' %in% rownames(installed.packages()) == FALSE) {
    install.packages('getopt', repos='http://cran.us.r-project.org')
}
library(getopt);

# get options, using the spec as defined by the enclosed list.
spec = matrix(c(
    'module',   'm', 1, 'character', 'Module name',
    'input',    'i', 1, 'character', 'Input tabular file',
    'columns',  'c', 1, 'character', 'Columns string',
    'settings', 's', 1, 'character', 'Settings string',
    'output',   'o', 1, 'character', 'Output tabular file',
    'help',     'h', 0, '',          'Help',
    'verbose',  'v', 0, '',          'Verbose'
), byrow=TRUE, ncol=5);
opt = getopt(spec);

# show help
if ( !is.null(opt$help) || is.null(opt$module) || is.null(opt$input) || is.null(opt$columns) || is.null(opt$output)) {
    cat(getopt(spec, usage=TRUE));
    q(status=1);
}

# read columns/settings
columns = split(opt$columns)
settings = split(opt$settings)

# read table
table <- read.table(opt$input)

# source module
source(opt$module)

# run module
l = wrapper (table, columns, settings)

# fill gaps
if (length(l) > 0) {
    n <- max(sapply(l, length))
    ll <- lapply(l, function(X) {
        c(as.character(X), rep("", times = n - length(X)))
    })
    out <- do.call(cbind, ll)

    # print details
    if (!is.null(opt$verbose)) {
        print ('Columns:')
        print (columns)
        print ('Settings:')
        print (settings)
        print ('Result:')
        print (out)
    }

    # write table
    write.table(out, file=opt$output, row.names=FALSE, col.names = FALSE, quote=FALSE, sep='\t')
} else {
    print ('Columns:')
    print (columns)
    print ('Settings:')
    print (settings)
    print ('No output generated.')
}