diff --git a/.Rbuildignore b/.Rbuildignore
index 054e0b7..bda3ed1 100644
--- a/.Rbuildignore
+++ b/.Rbuildignore
@@ -18,3 +18,5 @@
 ^bin$
 ^CRAN-SUBMISSION$
 ^CRAN-PREPARATION\.md$
+^CRAN-FEEDBACK\.md$
+cran-fixes.patch
diff --git a/.gitignore b/.gitignore
index 5f2d382..39bc276 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,3 +7,6 @@ symbols.rds
 *.dll
 .Rhistory
 .Rproj.user
+cran-fixes.patch
+*.tar.gz
+ribiosArg.Rcheck
diff --git a/DESCRIPTION b/DESCRIPTION
index 8ef1d5c..9809fe8 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -9,10 +9,13 @@ Authors@R:
            role = c("aut", "cre", "ctb"),
            email = "jitao_david.zhang@roche.com",
            comment = c(ORCID="0000-0002-3085-0909")),
-    person("F.Hoffmann-La Roche AG", role="cph"))
+    person(given = "Balazs",
+           family = "Banfai",
+           role = "ctb"))
 Description: Provides functions to handle command-line arguments for R
     scripting. It enables building stand-alone R programs that accept and
-    parse command-line options in BIOS style.
+    parse command-line options in 'BIOS' style.
+    Zhang (2025) <https://github.com/bedapub/ribiosArg>.
 Depends:
     R (>= 3.4.0),
     ribiosUtils
diff --git a/NAMESPACE b/NAMESPACE
index e5a4b2c..2b444af 100644
--- a/NAMESPACE
+++ b/NAMESPACE
@@ -2,6 +2,7 @@
 
 export(argGet)
 export(argGetPos)
+export(argIsInit)
 export(argParse)
 export(argPresent)
 export(existArg)
diff --git a/NEWS b/NEWS
index 149119b..a9ce9d5 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,8 @@
+2026-02-12: v1.5-1
+  + Add R-level guards in argPresent, argGet, and argGetPos to return safe defaults when the parser is uninitialized
+  + Export argIsInit() for users to check parser initialization status
+  + argParse returns silently instead of stopping when no script context is detected (fixes --run-donttest examples)
+
 2015-09-04: v1.1-18
   + rarg_parse: fixed a bug caused by passing SEXP as a size_t object
 
diff --git a/NEWS.md b/NEWS.md
deleted file mode 100644
index 589bb47..0000000
--- a/NEWS.md
+++ /dev/null
@@ -1,101 +0,0 @@
-# ribiosArg 1.5.0
-
-* Initial CRAN submission
-* Package prepared for CRAN submission with comprehensive documentation
-* Depends on ribiosUtils (on CRAN) and uses its C headers via LinkingTo
-
-# ribiosArg 1.1.18 (2015-09-04)
-
-* `rarg_parse`: fixed bug caused by passing SEXP as a size_t object
-
-# ribiosArg 1.1.17 (2015-06-23)
-
-* `argParse` returns invisible NULL in all situations
-* `argGetPos` and `argGet` returns default value in debugging mode
-
-# ribiosArg 1.1.16 (2015-06-08)
-
-* `parseNumVec` bug fix: returns failVal when input str is NULL
-
-# ribiosArg 1.1.15 (2015-02-09)
-
-* `makeFactor`: add 'verbose=FALSE' option
-
-# ribiosArg 1.1.14 (2015-01-12)
-
-* `argParse`: works with -e and --args options of R and Rscript
-
-# ribiosArg 1.1.13 (2014-10-07)
-
-* `argParse`: works with latest Rscript
-
-# ribiosArg 1.1.12 (2014-08-15)
-
-* `argParse`: add 'strict=TRUE' option for extra parameter handling
-
-# ribiosArg 1.1.11 (2014-06-23)
-
-* argparse C code: now aware of format strings in die/usage
-
-# ribiosArg 1.1.10 (2014-05-09)
-
-* `parseStrings` and `parsePairs` return NULL for NULL input
-* Export `parseFactor` and `makeFactor`
-
-# ribiosArg 1.1.7 (2014-03-11)
-
-* `rarg_get` checks initialization to avoid segmentation error
-
-# ribiosArg 1.1.6 (2013-10-16)
-
-* `argParse` prints command line on parse failure
-
-# ribiosArg 1.1.5 (2013-07-29)
-
-* Add `parseStrings` and `parsePairs`
-* ribiosArg now depends on ribiosUtils
-
-# ribiosArg 1.1.4 (2013-07-14)
-
-* `argPresent` returns FALSE if arg_init not called
-* `argGet` prints error and returns NULL if arg_init not called
-
-# ribiosArg 1.1.3 (2013-05-15)
-
-* Add 'default' parameter to `argGet` and `argGetPos`
-* Move `scriptInit()` to ribiosUtils
-
-# ribiosArg 1.1.2 (2013-01-28)
-
-* `argParse`: optargs and reqargs can be NULL
-* Replace log.h module with local mimics
-
-# ribiosArg 1.1.1 (2013-01-23)
-
-* Add `scriptInit` to prepare R for the script
-
-# ribiosArg 1.1.0 (2013-01-04)
-
-* Add BIOS-style command-line parser: `argParser`, `argGet`, `argGetPos`, `argPresent`
-
-# ribiosArg 1.0.5 (2012-01-24)
-
-* Add `RscriptName` function to get current script file name
-
-# ribiosArg 1.0.4 (2011-12-19)
-
-* `parseNumVec` accepts NULL as expLen for variable-length vectors
-
-# ribiosArg 1.0.3 (2011-12-15)
-
-* `getArg` parameter handling improvements
-* Add tests folder for consistent behavior testing
-
-# ribiosArg 1.0.2 (2011-10-10)
-
-* `getArg` differentiates options and negative numbers
-* `parseNumVec` removes leading and trailing quotes
-
-# ribiosArg 1.0.1 (2011-10-04)
-
-* `parseNumVec` suppresses warnings during string-to-number conversion
diff --git a/R/argparse.R b/R/argparse.R
index 1a7e8ac..8978670 100644
--- a/R/argparse.R
+++ b/R/argparse.R
@@ -1,5 +1,4 @@
 #' Parser of command-line parameters in BIOS style
-#' @aliases argIsInit
 #' @aliases argPresent
 #'
 #' @param optargs String describing optional arguments. Syntax: \code{<optname1>[,paramcnt1] <optname2>[,paramcnt2]\dots}. Example: \dQuote{verbose outfile,1} means the command line has the syntax \code{prog [-verbose] [outfile name]}. It can be an empty string to express \dQuote{no options}. The value for \code{paramcnt} is 0.
@@ -37,7 +36,7 @@
 #' @useDynLib ribiosArg, .registration=TRUE, .fixes="C_"
 #' 
 #' @examples
-#' \dontrun{
+#' \donttest{
 #' argParse("verbose threshold,2", "infile outfile",
 #'          usage="prog [-infile ]infile [-outfile ]outfile [-verbose] [-threshold MIN MAX]")
 #' argIsInit()
@@ -70,8 +69,8 @@ argParse <- function(optargs, reqargs, usage=paste(scriptName(), "-h"), strict=T
     efind <- which(isE)
     allComm <- allComm[-(1:(efind+1))]
   } else {
-    stop("This should not happen: no parameters in the form of '-f' or '--f' is detected. Please contact the developer")
-  } 
+    return(invisible(NULL))
+  }
   comm <- allComm[!grepl("^--", allComm)]
   ## the following code was valid till R-3.0.x. 
   ##  if("--args" %in% allComm) {
@@ -114,6 +113,10 @@ argParse <- function(optargs, reqargs, usage=paste(scriptName(), "-h"), strict=T
   }
 }
 
+#' Check whether the argument parser has been initialized
+#'
+#' @return Logical, \code{TRUE} if \code{argParse} has been called, \code{FALSE} otherwise.
+#' @export
 argIsInit <- function() .Call(C_rarg_isInit)
 
 #' Test whether the given option is present in the command line or not
@@ -127,6 +130,7 @@ argPresent <- function(opt) {
         message("[DEBUGGIING] The script is running in an interactive session, e.g. debugging mode. FALSE is returned")
         return(FALSE)
     }
+    if(!isTRUE(argIsInit())) return(FALSE)
   .Call(C_rarg_present, opt)
 }
 
@@ -147,14 +151,15 @@ argPresent <- function(opt) {
 #' @seealso \code{\link{argParse}}, \code{\link{argGet}}, and \code{\link{argPresent}}
 #'
 #' @examples
-#' \dontrun{argGetPos("thresholds", ind=2)}
+#' \donttest{argGetPos("thresholds", ind=2)}
 #'
 #' @export 
 argGetPos <- function(opt, ind=1L, default=NULL, choices=NULL) {
   if(isDebugging()) {
     message("[DEBUGGIING] The script is running in an interactive session, e.g. debugging mode. Default value is returned")
     return(default)
-  }  
+  }
+  if(!isTRUE(argIsInit())) return(default)
   if(argPresent(opt)) {
       res <- .Call(C_rarg_getPos, opt,as.integer(ind))
       if(!is.null(choices) && !res %in% choices)
@@ -182,7 +187,7 @@ argGetPos <- function(opt, ind=1L, default=NULL, choices=NULL) {
 #' @seealso \code{\link{argParse}}, \code{\link{argGetPos}}, and \code{\link{argPresent}}
 #'
 #' @examples
-#' \dontrun{argGet("infile")}
+#' \donttest{argGet("infile")}
 #'
 #' @export
 argGet <- function(opt, default=NULL, choices=NULL) {
@@ -190,6 +195,7 @@ argGet <- function(opt, default=NULL, choices=NULL) {
     message("[DEBUGGIING] The script is running in an interactive session, e.g. debugging mode. Default value is returned")
     return(default)
   }
+  if(!isTRUE(argIsInit())) return(default)
   if(argPresent(opt)) {
       res <- .Call(C_rarg_get, opt)
       if(!is.null(choices) && !res %in% choices) {
diff --git a/R/parseFuncs.R b/R/parseFuncs.R
index 1d57dc6..d31bbe6 100644
--- a/R/parseFuncs.R
+++ b/R/parseFuncs.R
@@ -13,6 +13,7 @@
 #' @param failVal If the parsing failed (for example length not correct, or non-numeric values were provided, this value will be returned
 #' @param sep Separator in the character string, default ","
 #'
+#' @return A numeric vector of the parsed values, or \code{failVal} if parsing fails.
 #' @seealso \code{\link{argGet}}
 #' 
 #' @export
@@ -127,6 +128,7 @@ parsePairs <- function(str, collapse=",", sep="=",
 #' @param make.names Should names be converted to adhere to the rule of variable names in R
 #' @param verbose Logical vector
 #'
+#' @return A factor with the specified levels.
 #' @export
 #' @examples
 #' makeFactor(c("A", "B", "C", "C", "A"), levels=LETTERS[3:1])
@@ -178,6 +180,7 @@ makeFactor <- function(groups, levels=NULL, make.names=TRUE, verbose=FALSE) {
 #' @param make.names Logical, should names be converted to adhere to the rule of variable names in R
 #' @param collapse Character used in \code{relevels} to collapse different levels
 #'
+#' @return A factor parsed from the input string with the specified levels.
 #' @export
 #' @examples
 #' parseFactor("A,B,C,B,A", rlevels="A,B,C")
@@ -194,14 +197,14 @@ makeFactor <- function(groups, levels=NULL, make.names=TRUE, verbose=FALSE) {
 #' groups <- factor(c("B", "C", "A", "D"), levels=c("D","C","A","B"))
 #' makeFactor(groups)
 #' 
-#' \dontrun{
+#' \donttest{
 #' groups <- c("ATest", "Control", "Control", "ATest")
 #' levels <- c("Control", "ATest", "Unknown")
 #' makeFactor(groups, levels)
 #' 
 #' groups <- c("ATest", "Control", "Control", "ATest", "BTest")
 #' levels <- c("Control", "ATest")
-#' makeFactor(groups, levels)
+#' try(makeFactor(groups, levels))
 #' }
 #' 
 parseFactor <- function(str, rlevels=NULL, make.names=TRUE, collapse=",") { ## CL=command line
@@ -233,6 +236,7 @@ isDir <- function(str) file.info(str)$isdir
 #' @param recursive In cse of directory or compressed files, whether files should be found recursively
 #' @param ignore.case In case of directory or compressed files, whether case should be ignored
 #'
+#' @return A character vector of file paths.
 #' @importFrom ribiosUtils extname
 #' @importFrom utils untar unzip
 #' @export
diff --git a/R/ribiosArg.R b/R/ribiosArg.R
index 46e553c..2f9eba7 100644
--- a/R/ribiosArg.R
+++ b/R/ribiosArg.R
@@ -1,7 +1,9 @@
-#' Command-line argument handling for R scripting
-#' @docType package
-#' @description Provides command-line argument handling for R scripting
+#' @keywords internal
+"_PACKAGE"
+
+#' ribiosIO
+#' ribiosIO provides Command-line argument handling for R scripting
 #' @author Jitao David Zhang <jitao_david.zhang@roche.com>
 #' @useDynLib ribiosArg, .registration=TRUE, .fixes="C_"
-#' @name ribiosArg-package
+#' @name ribiosArg
 NULL
diff --git a/R/scriptInit.R b/R/scriptInit.R
index 73d72fd..e9332a7 100644
--- a/R/scriptInit.R
+++ b/R/scriptInit.R
@@ -1,17 +1,19 @@
 #' Prepare the environment for a script
-#' @aliases initScript
-#' 
+#'
 #' This function is called at the beginning of an Rscript, in order to
 #' prepare the R environment to run in a script setting.
 #'
-#' @return Only side effect is used
-#' 
+#' @return No return value, called for side effects.
+#'
+#' @aliases initScript
 #' @export
 #' @examples
-#' \dontrun{
+#' \donttest{
 #'   scriptInit()
 #' }
 scriptInit <- function() {
+  old <- options()
+  on.exit(options(old))
   if(interactive()) {
     setDebug()
   } else {
diff --git a/R/scriptName.R b/R/scriptName.R
index 97f340f..a9e0342 100644
--- a/R/scriptName.R
+++ b/R/scriptName.R
@@ -15,7 +15,7 @@
 #'
 #' @export
 #' @examples
-#' \dontrun{scriptName()}
+#' \donttest{scriptName()}
 #'
 scriptName <- function() {
   filename <- grep("--file=", commandArgs(), value=TRUE)
@@ -49,7 +49,7 @@ scriptName <- function() {
 #'
 #' @export
 #' @examples
-#' \dontrun{scriptPath()}
+#' \donttest{scriptPath()}
 #'
 scriptPath <- function() {
   sname <- scriptName()
diff --git a/R/scriptSkeleton.R b/R/scriptSkeleton.R
index 99d9ab7..3222762 100644
--- a/R/scriptSkeleton.R
+++ b/R/scriptSkeleton.R
@@ -2,9 +2,11 @@
 #'
 #' @param file Output file. By default the function writes to standard output.
 #'
+#' @return Invisibly returns the character vector of skeleton lines.
+#'   Called for its side effect of writing to \code{file}.
 #' @export
 #' @examples
-#' scriptSkeleton()
+#' scriptSkeleton(file = file.path(tempdir(), "myscript.R"))
 
 scriptSkeleton <- function(file=stdout()) {
     sentences <- c("#!/usr/bin/env Rscript",
diff --git a/man/argGet.Rd b/man/argGet.Rd
index 2611e54..87ff877 100644
--- a/man/argGet.Rd
+++ b/man/argGet.Rd
@@ -23,7 +23,7 @@ Get the value of an named argument
 The parsing is performed at C-level. It is an abbreiviation of argGetPos(opt, ind=1, default=NULL, choices=NULL)
 }
 \examples{
-\dontrun{argGet("infile")}
+\donttest{argGet("infile")}
 
 }
 \seealso{
diff --git a/man/argGetPos.Rd b/man/argGetPos.Rd
index 1522e49..be323bb 100644
--- a/man/argGetPos.Rd
+++ b/man/argGetPos.Rd
@@ -25,7 +25,7 @@ Get the value of an named argument with the given position
 The parsing is performed at C-level. If the argument accepts only one value, users can also call argGet(opt, default=NULL, choices=NULL)
 }
 \examples{
-\dontrun{argGetPos("thresholds", ind=2)}
+\donttest{argGetPos("thresholds", ind=2)}
 
 }
 \seealso{
diff --git a/man/argIsInit.Rd b/man/argIsInit.Rd
new file mode 100644
index 0000000..ad57298
--- /dev/null
+++ b/man/argIsInit.Rd
@@ -0,0 +1,14 @@
+% Generated by roxygen2: do not edit by hand
+% Please edit documentation in R/argparse.R
+\name{argIsInit}
+\alias{argIsInit}
+\title{Check whether the argument parser has been initialized}
+\usage{
+argIsInit()
+}
+\value{
+Logical, \code{TRUE} if \code{argParse} has been called, \code{FALSE} otherwise.
+}
+\description{
+Check whether the argument parser has been initialized
+}
diff --git a/man/argParse.Rd b/man/argParse.Rd
index 78b3d0c..991b965 100644
--- a/man/argParse.Rd
+++ b/man/argParse.Rd
@@ -2,7 +2,6 @@
 % Please edit documentation in R/argparse.R
 \name{argParse}
 \alias{argParse}
-\alias{argIsInit}
 \alias{argPresent}
 \title{Parser of command-line parameters in BIOS style}
 \usage{
@@ -53,7 +52,7 @@ Test whether the given option is present in the command line or not
   \code{default} value will be returned.
 }
 \examples{
-\dontrun{
+\donttest{
 argParse("verbose threshold,2", "infile outfile",
          usage="prog [-infile ]infile [-outfile ]outfile [-verbose] [-threshold MIN MAX]")
 argIsInit()
diff --git a/man/makeFactor.Rd b/man/makeFactor.Rd
index 5154fc4..4e246e1 100644
--- a/man/makeFactor.Rd
+++ b/man/makeFactor.Rd
@@ -15,6 +15,9 @@ makeFactor(groups, levels = NULL, make.names = TRUE, verbose = FALSE)
 
 \item{verbose}{Logical vector}
 }
+\value{
+A factor with the specified levels.
+}
 \description{
 Make a factor
 }
diff --git a/man/parseFactor.Rd b/man/parseFactor.Rd
index f2c9a91..0bf8301 100644
--- a/man/parseFactor.Rd
+++ b/man/parseFactor.Rd
@@ -15,6 +15,9 @@ parseFactor(str, rlevels = NULL, make.names = TRUE, collapse = ",")
 
 \item{collapse}{Character used in \code{relevels} to collapse different levels}
 }
+\value{
+A factor parsed from the input string with the specified levels.
+}
 \description{
 Parse a character string into factor
 }
@@ -33,14 +36,14 @@ makeFactor(groups, levels)
 groups <- factor(c("B", "C", "A", "D"), levels=c("D","C","A","B"))
 makeFactor(groups)
 
-\dontrun{
+\donttest{
 groups <- c("ATest", "Control", "Control", "ATest")
 levels <- c("Control", "ATest", "Unknown")
 makeFactor(groups, levels)
 
 groups <- c("ATest", "Control", "Control", "ATest", "BTest")
 levels <- c("Control", "ATest")
-makeFactor(groups, levels)
+try(makeFactor(groups, levels))
 }
 
 }
diff --git a/man/parseFiles.Rd b/man/parseFiles.Rd
index 088c4fd..85a32c5 100644
--- a/man/parseFiles.Rd
+++ b/man/parseFiles.Rd
@@ -23,6 +23,9 @@ parseFiles(
 
 \item{ignore.case}{In case of directory or compressed files, whether case should be ignored}
 }
+\value{
+A character vector of file paths.
+}
 \description{
 Parse files from command line option, which can be (1) a string vector of files, (2) a file listing input files (e.g. pointer file), (3) a directory, or (4) a zip/tar/gz file (determined by suffix). In the later two cases, file patterns can be specified.
 }
diff --git a/man/parseNumVec.Rd b/man/parseNumVec.Rd
index c5db577..129ec9a 100644
--- a/man/parseNumVec.Rd
+++ b/man/parseNumVec.Rd
@@ -15,6 +15,9 @@ parseNumVec(str, expLen = 2, failVal = c(5, 5), sep = ",")
 
 \item{sep}{Separator in the character string, default ","}
 }
+\value{
+A numeric vector of the parsed values, or \code{failVal} if parsing fails.
+}
 \description{
 Numeric vectors can be given as arguments in two ways: (1) separated by
 blanks or (2) separated by other common separators, such as comma
diff --git a/man/ribiosArg-package.Rd b/man/ribiosArg-package.Rd
index ec569a6..238c014 100644
--- a/man/ribiosArg-package.Rd
+++ b/man/ribiosArg-package.Rd
@@ -2,11 +2,10 @@
 % Please edit documentation in R/ribiosArg.R
 \docType{package}
 \name{ribiosArg-package}
-\alias{ribiosArg}
 \alias{ribiosArg-package}
-\title{Command-line argument handling for R scripting}
+\title{ribiosArg: Argument Handling for Command-Line, Stand-Alone R Scripts}
 \description{
-Provides command-line argument handling for R scripting
+Provides functions to handle command-line arguments for R scripting. It enables building stand-alone R programs that accept and parse command-line options in 'BIOS' style. Zhang (2025) \url{https://github.com/bedapub/ribiosArg}.
 }
 \seealso{
 Useful links:
@@ -17,5 +16,7 @@ Useful links:
 
 }
 \author{
-Jitao David Zhang <jitao_david.zhang@roche.com>
+\strong{Maintainer}: Jitao David Zhang \email{jitao_david.zhang@roche.com} (\href{https://orcid.org/0000-0002-3085-0909}{ORCID}) [contributor]
+
 }
+\keyword{internal}
diff --git a/man/ribiosArg.Rd b/man/ribiosArg.Rd
new file mode 100644
index 0000000..d7c1f2f
--- /dev/null
+++ b/man/ribiosArg.Rd
@@ -0,0 +1,13 @@
+% Generated by roxygen2: do not edit by hand
+% Please edit documentation in R/ribiosArg.R
+\name{ribiosArg}
+\alias{ribiosArg}
+\title{ribiosIO
+ribiosIO provides Command-line argument handling for R scripting}
+\description{
+ribiosIO
+ribiosIO provides Command-line argument handling for R scripting
+}
+\author{
+Jitao David Zhang <jitao_david.zhang@roche.com>
+}
diff --git a/man/scriptInit.Rd b/man/scriptInit.Rd
index 83cc315..7ff44cb 100644
--- a/man/scriptInit.Rd
+++ b/man/scriptInit.Rd
@@ -3,38 +3,19 @@
 \name{scriptInit}
 \alias{scriptInit}
 \alias{initScript}
-\alias{This}
-\alias{function}
-\alias{is}
-\alias{called}
-\alias{at}
-\alias{the}
-\alias{beginning}
-\alias{of}
-\alias{an}
-\alias{Rscript,}
-\alias{in}
-\alias{order}
-\alias{to}
-\alias{prepare}
-\alias{R}
-\alias{environment}
-\alias{run}
-\alias{a}
-\alias{script}
-\alias{setting.}
 \title{Prepare the environment for a script}
 \usage{
 scriptInit()
 }
 \value{
-Only side effect is used
+No return value, called for side effects.
 }
 \description{
-Prepare the environment for a script
+This function is called at the beginning of an Rscript, in order to
+prepare the R environment to run in a script setting.
 }
 \examples{
-\dontrun{
+\donttest{
   scriptInit()
 }
 }
diff --git a/man/scriptName.Rd b/man/scriptName.Rd
index e201352..51d7afe 100644
--- a/man/scriptName.Rd
+++ b/man/scriptName.Rd
@@ -20,7 +20,7 @@ When the R session was not initiated by a Rscript (i.e. there is no \code{--file
 Note that the function supports calling Rscript via \code{--file}  or \code{-f} with \code{R}. This applies to cases where a Rscript, marked as executable, and is called from the command line.
 }
 \examples{
-\dontrun{scriptName()}
+\donttest{scriptName()}
 
 }
 \seealso{
diff --git a/man/scriptPath.Rd b/man/scriptPath.Rd
index 0631250..7303e39 100644
--- a/man/scriptPath.Rd
+++ b/man/scriptPath.Rd
@@ -20,7 +20,7 @@ When the R session was not initiated by a Rscript (i.e. there is no \code{--file
 Note that the function supports calling Rscript via \code{--file}  or \code{-f} with \code{R}. This applies to cases where a Rscript, marked as executable, and is called from the command line.
 }
 \examples{
-\dontrun{scriptPath()}
+\donttest{scriptPath()}
 
 }
 \seealso{
diff --git a/man/scriptSkeleton.Rd b/man/scriptSkeleton.Rd
index 822a4a5..382457b 100644
--- a/man/scriptSkeleton.Rd
+++ b/man/scriptSkeleton.Rd
@@ -9,9 +9,13 @@ scriptSkeleton(file = stdout())
 \arguments{
 \item{file}{Output file. By default the function writes to standard output.}
 }
+\value{
+Invisibly returns the character vector of skeleton lines.
+  Called for its side effect of writing to \code{file}.
+}
 \description{
 Generate a Rscript with its skeleton
 }
 \examples{
-scriptSkeleton()
+scriptSkeleton(file = file.path(tempdir(), "myscript.R"))
 }
diff --git a/tests/test_argPresent_uninit.R b/tests/test_argPresent_uninit.R
new file mode 100644
index 0000000..b044a48
--- /dev/null
+++ b/tests/test_argPresent_uninit.R
@@ -0,0 +1,13 @@
+library(ribiosArg)
+
+# Ensure argPresent returns FALSE (not error) without argParse
+res <- argPresent("nonexistent")
+stopifnot(identical(res, FALSE))
+
+# Ensure argGet returns default without argParse
+res2 <- argGet("nonexistent", default = "mydefault")
+stopifnot(identical(res2, "mydefault"))
+
+# argGetPos returns default
+res3 <- argGetPos("nonexistent", ind = 1L, default = 42)
+stopifnot(identical(res3, 42))