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#!/usr/bin/env r
#
# A simple wrapper for tools::compactPDF
#
# Copyright (C) 2019 Dirk Eddelbuettel
#
# Released under GPL (>= 2)
## load docopt package from CRAN
library(docopt)
## configuration for docopt
doc <- "Usage: compactpdf.r [-h] [-x] [PATH...]
-h --help show this help text
-x --usage show help and short example usage"
opt <- docopt(doc) # docopt parsing
if (opt$usage) {
cat(doc, "\n\n")
cat("Examples:
compactpdf.r # compact in current directory
compactpdf.r is part of littler which brings 'r' to the command-line.
See http://dirk.eddelbuettel.com/code/littler.html for more information.\n")
q("no")
}
if (length(opt$PATH) == 0) {
opt$PATH <- list.files(".", pattern=".pdf$")
}
compactFunction <- function(f) {
tools::compactPDF(f, gs_quality="ebook")
}
sapply(opt$PATH, compactFunction)
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