Remove 'default' argument from reg_positionals_list()

DESCRIPTION

@@ -1,6 +1,6 @@
 Package: cmdparseR
 Title: Command Line Parser
-Version: 0.1.2
+Version: 0.1.3
 Authors@R: 
     person(given = "Jeffrey",
            family = "Perkel",

R/parse_command_line.R

@@ -307,25 +307,25 @@ reg_argument_list <- function(plist) {
 
 #
 # Register a 'positional' command line argument (ie, the last argument in the list)
-reg_positionals <- function(var, default, help) {
-  reg_argument (lparam = NA, sparam = NA, var = var, default = default, argType = argsType$TypePositional, help = help)
+reg_positionals <- function(var, help) {
+  reg_argument (lparam = NA, sparam = NA, var = var, default = NA, argType = argsType$TypePositional, help = help)
 } # reg_positionals
 
 
 #' Register a list of 'positional' arguments
 #'
-#' @param plist list of positional arguments: variable name, default value, help text
+#' @param plist list of positional arguments: variable name, help text
 #'
 #' @export
 #'
 #' @examples
-#' args <- list(c("infile",NA,"input file"))
+#' args <- list(c("infile","input file"))
 reg_positionals_list <- function(plist) {
-  ids <- c("var","default","help")
+  ids <- c("var","help")
 
   for (p in plist) {
     stopifnot(length(p) == length(ids))
-    reg_positionals(var = p[1], default = p[2], help = p[3])
+    reg_positionals(var = p[1], help = p[2])
   }
 } # reg_positionals_list
 
@@ -334,7 +334,7 @@ reg_positionals_list <- function(plist) {
 #'
 #' @param d the date to parse (string)
 #'
-#' @return A tuple: c(y, m, d)
+#' @return A vector: c(y, m, d)
 #' @export
 #'
 #' @examples

README.md

@@ -73,9 +73,9 @@ main <- function() {
   reg_argument_list(args)
 
   pos <- list(
-    # variable name, default, help string
-    c('outfile',NA,'Output filename'),
-    c('infiles',NA,'Input filename(s)')
+    # variable name, help string
+    c('outfile','Output filename'),
+    c('infiles','Input filename(s)')
   )
   reg_positionals_list(pos)
 
@@ -91,18 +91,18 @@ main()
 Invoked like so:
 
 ```
-Rscript test_cmdparser.R add file -c ~/tmp/config.txt -d -vvv -k key1 -k key2 -z -r 2020:2022 outfile.txt infile1.txt infile2.txt infile3.txt
+Rscript test_cmdparseR.R add name -dvvv -r 2020:2022 -z -k key1 -k key2 outfile.txt infile1.txt infile2.txt infile3.txt
 ```
 
 you should see the following:
 ```
-$ Rscript test_cmdparser.R add file -c ~/tmp/config.txt -d -vvv -k key1 -k key2 -z -r 2020:2022 outfile.txt infile1.txt infile2.txt infile3.txt
+$ Rscript test_cmdparseR.R add name -dvvv -r 2020:2022 -z -k key1 -k key2 outfile.txt infile1.txt infile2.txt infile3.txt
 Warning: parse_command_line(): unknown param: -z
 $help
 [1] "FALSE"
 
 $config
-[1] "~/Users/username/tmp/config.txt"
+[1] "~/myconfigfile.txt"
 
 $debug
 [1] TRUE
@@ -126,17 +126,17 @@ $command
 [1] "add"
 
 $subcmd
-[1] "file"
-
-$unknowns
-[1] "-z"
+[1] "name"
 
 $daterange1
 [1] "2020"
 
 $daterange2
 [1] "2022"
 
+$unknowns
+[1] "-z"
+
 ```
 
 `cmdparseR` provides a `usage()` function to create a formatted help message based on the `desc` strings passed to `reg_argument_list()`, `reg_command_list()` and `reg_subcmd_list()`. By default, `--help` or `-?` on the command line will call this function:

test_cmdparseR.R

@@ -8,7 +8,7 @@ main <- function() {
     c('delete', 'Delete something')
   )
   reg_command_list(cmds)
-  
+
   subcmds <- list(
     c('name','add','Add a name'),
     c('file','add','Add a file'),
@@ -27,8 +27,8 @@ main <- function() {
   reg_argument_list(args)
 
   pos <- list(
-    c('outfile',NA,'Output filename'),
-    c('infiles',NA,'Input filename(s)')
+    c('outfile','Output filename'),
+    c('infiles','Input filename(s)')
   )
   reg_positionals_list(pos)