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R/run.mplus.R
In misty: Miscellaneous Functions 'T. Yanagida'
Defines functions
run.mplus
Documented in
run.mplus
#' Run Mplus Models
#'
#' This function runs a group of Mplus models (\code{.inp} files) located within
#' a single directory or nested within subdirectories.
#'
#' @param target a character string indicating the directory containing
#' Mplus input files (\code{.inp})
#' to run or the single \code{.inp} file to be run. May be
#' a full path, relative path, or a filename within the working
#' directory.
#' @param recursive logical: if \code{TRUE}, run all models nested in subdirectories
#' within directory. Not relevant if target is a single file.
#' @param filefilter a Perl regular expression (PCRE-compatible) specifying particular
#' input files to be run within directory. See regex or
#' http://www.pcre.org/pcre.txt for details about regular
#' expression syntax. Not relevant if target is a single file.
#' @param showOutput logical: if \code{TRUE}, estimation output (\code{TECH8})
#' is show on the R console. Note that if run within Rgui,
#' output will display within R, but if run via Rterm,
#' a separate window will appear during estimation.
#' @param replaceOutfile a character string for specifying three settings:
#' \code{"always"} (default), which runs all models, regardless
#' of whether an output file for the model exists, \code{"never"},
#' which does not run any model that has an existing output file,
#' and \code{"modifiedDate"}, which only runs a model if the
#' modified date for the input file is more recent than the
#' output file modified date.
#' @param logFile a character string specifying a file that records the settings
#' passed into the function and the models run (or skipped)
#' during the run.
#' @param Mplus a character string for specifying the name or path of the
#' Mplus executable to be used for running models. This covers
#' situations where Mplus is not in the system's path, or where
#' one wants to test different versions of the Mplus program.
#' Note that there is no need to specify this argument for most
#' users since it has intelligent defaults.
#' @param killOnFail logical: if \code{TRUE}, all processes named mplus.exe when
#' \code{mplus.run()} does not terminate normally are killed.
#' Windows only.
#' @param local_tmpdir logical: if \code{TRUE}, the TMPDIR environment variable
#' is set to the location of the \code{.inp file} prior to
#' execution. This is useful in Monte Carlo studies where many
#' instances of Mplus may run in parallel and we wish to avoid
#' collisions in temporary files among processes. Linux/Mac only.
#'
#' @author
#' Hadley Wickham, Romain Francois, Lionel Henry, and Kirill Müller, and Davis Vaughan.
#'
#' @references
#' Hallquist, M. N. & Wiley, J. F. (2018). MplusAutomation: An R package for facilitating
#' large-scale latent variable analyses in Mplus. \emph{Structural Equation Modeling:
#' A Multidisciplinary Journal, 25}, 621-638. https://doi.org/10.1080/10705511.2017.1402334.
#'
#' Muthen, L. K., & Muthen, B. O. (1998-2017). \emph{Mplus User's Guide} (8th ed.).
#' Muthen & Muthen.
#'
#' @return
#' None.
#'
#' @note
#' This function is a copy of the \code{runModels()} function in the
#' \pkg{MplusAutomation} package by Michael Hallquist and Joshua Wiley (2018).
#'
#' @export
#'
#' @examples
#' \dontrun{
#' # Run Mplus models located within a single directory
#' run.mplus(Mplus = "C:/Program Files/Mplus/Mplus.exe")
#'
#' # Run Mplus models located nested within subdirectories
#' run.mplus(recursive = TRUE,
#' Mplus = "C:/Program Files/Mplus/Mplus.exe")
#' }
run.mplus <- function(target = getwd(), recursive = FALSE, filefilter = NULL, showOutput = FALSE,
replaceOutfile = c("always", "never", "modifiedDate"), logFile = NULL,
Mplus = "Mplus", killOnFail = TRUE, local_tmpdir = FALSE) {
#_____________________________________________________________________________
#
# Additional Functions -------------------------------------------------------
#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
## Split File and Path into Separate Parts ####
splitFilePath <- function(abspath) {
if (isTRUE(!is.character(abspath))) stop("Path not a character string", call. = FALSE)
if (isTRUE(nchar(abspath) < 1L || is.na(abspath))) stop("Path is missing or of zero length", call. = FALSE)
# trailing slash screws up file.exists call on Windows: https://bugs.r-project.org/bugzilla/show_bug.cgi?id=14721
abspath <- sub("(\\\\|/)?$", "", abspath, perl = TRUE)
components <- strsplit(abspath, split = "[\\/]")[[1L]]
lcom <- length(components)
stopifnot(lcom > 0L)
# the file is the last element in the list. In the case of length == 1, this will extract the only element.
relFilename <- components[lcom]
absolute <- FALSE
if (isTRUE(lcom == 1L)) {
dirpart <- NA_character_
} else if (isTRUE(lcom > 1L)) {
components <- components[-lcom]
dirpart <- do.call("file.path", as.list(components))
#if path begins with C:, /, ~/, //, or \\, then treat as absolute
if (isTRUE(grepl("^([A-Z]{1}:|~/|/|//|\\\\)+.*$", dirpart, perl = TRUE))) absolute <- TRUE
}
return(list(directory = dirpart, filename = relFilename, absolute = absolute))
}
#_____________________________________________________________________________
#
# Input Check ----------------------------------------------------------------
stopifnot(replaceOutfile %in% c("always", "never", "modifiedDate"))
if (isTRUE(length(target) > 1L)) {
stop("Target for run.mplus() must be a single file or single directory.", call. = FALSE)
}
curdir <- getwd()
if (isTRUE(grepl(".*\\.inp?$", target, perl = TRUE))) {
directory <- dirname(target)
filelist <- basename(target)
if (isTRUE(!is.null(filefilter))) {
warning("Using run.mplus() with a single .inp target ignores filefilter.", call. = FALSE)
}
if (isTRUE(!file.exists(target))) {
stop("run.mplus() cannot locate target file: ", target, call. = FALSE)
}
setwd(directory)
if (isTRUE(file.exists(outtest <- sub("\\.inp?$", ".out", filelist, perl = TRUE)))) {
filelist <- c(filelist, outtest)
}
} else {
directory <- sub("(\\\\|/)?$", "", target, perl = TRUE)
if (isTRUE(.Platform$OS.type == "windows" && grepl("^[a-zA-Z]:$", directory))) {
directory <- paste0(directory, "/")
}
if (isTRUE(!file.exists(directory))) {
stop("run.mplus() cannot change to directory: ", directory, call. = FALSE)
}
setwd(directory)
filelist <- list.files(recursive = recursive, pattern = filefilter)
}
#_____________________________________________________________________________
#
# Arguments ------------------------------------------------------------------
# Argument replaceOutfile
if (isTRUE(all(c("always", "never", "modifiedDate") %in% replaceOutfile))) { replaceOutfile <- "always" }
#_____________________________________________________________________________
#
# Main Function --------------------------------------------------------------
normalComplete <- FALSE
if (isTRUE(!is.null(logFile))) {
logTarget <- file(description = logFile, open = "wt", blocking = TRUE)
writeLines(c(paste0("------Begin Mplus Model Run: ",
format(Sys.time(), "%d%b%Y %H:%M:%S"), "------"),
paste0("Target directory: ", directory), "Run options:",
paste("\tRecursive (run models in subdirectories):",
as.character(recursive)), paste("\tShow output on console:", as.character(showOutput)),
paste("\tReplace existing outfile:", replaceOutfile), "------"), con = logTarget)
flush(logTarget)
}
isLogOpen <- function() {
if (isTRUE(is.null(logFile))) {
return(FALSE)
}
connections <- data.frame(showConnections(all = FALSE), stringsAsFactors = FALSE)
if (isTRUE(length(grep(splitFilePath(logFile)$filename, connections$description, ignore.case = TRUE)) > 0L)) {
return(TRUE)
} else {
return(FALSE)
}
}
exitRun <- function() {
deleteOnKill <- TRUE
if (isTRUE(normalComplete == FALSE && isLogOpen())) {
writeLines("Run terminated abnormally", logTarget)
flush(logTarget)
}
if (isTRUE(.Platform$OS.type == "windows" && normalComplete == FALSE && killOnFail == TRUE)) {
processList <- plyr::ldply(strsplit(shell("wmic process get caption, processid", intern = TRUE), split = "\\s+", perl = TRUE),
function(element) {
return(data.frame(procname = element[1L], pid = element[2L], stringsAsFactors = FALSE))
})
if (isTRUE(length(grep("mplus.exe", processList$procname, ignore.case = TRUE)) > 0L)) {
if (isTRUE(isLogOpen())) {
writeLines("Killing wayward Mplus processes", logTarget)
flush(logTarget)
}
shell("taskkill /f /im mplus.exe")
if (isTRUE(deleteOnKill == TRUE)) {
noExtension <- substr(absFilename, length(absFilename) - 4L, length(absFilename))
outDelete <- paste(noExtension, ".out", sep = "")
gphDelete <- paste(noExtension, ".gph", sep = "")
if (isTRUE(file.exists(outDelete))) {
unlink(outDelete)
if (isTRUE(isLogOpen())) {
writeLines(paste("Deleting unfinished output file:", outDelete), logTarget)
flush(logTarget)
}
}
if (isTRUE(file.exists(gphDelete))) {
unlink(gphDelete)
if (isTRUE(isLogOpen())) {
writeLines(paste("Deleting unfinished graph file:", gphDelete), logTarget)
flush(logTarget)
}
}
}
}
}
if (isTRUE(isLogOpen())) {
close(logTarget)
}
setwd(curdir)
}
on.exit(exitRun())
inpfiles <- filelist[grep(".*\\.inp?$", filelist, ignore.case = TRUE)]
outfiles <- filelist[grep(".*\\.out$", filelist, ignore.case = TRUE)]
if (isTRUE(length(inpfiles) < 1L)) {
stop("No Mplus input files detected in the target directory: ", directory)
}
dropOutExtensions <- sapply(outfiles, function(x) {
if (isTRUE(nchar(x) >= 4L))
return(tolower(substr(x, 1L, (nchar(x) - 4L))))
})
for (i in seq_len(length(inpfiles))) {
if (isTRUE(!replaceOutfile == "always")) {
if (isTRUE(tolower(sub("\\.inp?$", "", inpfiles[i], perl = TRUE)) %in% dropOutExtensions)) {
if (isTRUE(replaceOutfile == "modifiedDate")) {
inpmtime <- file.info(inpfiles[i])$mtime
matchPos <- grep(tolower(substr(inpfiles[i], 1, (nchar(inpfiles[i]) - 4L))), dropOutExtensions)
if (isTRUE(length(matchPos) < 1L)) {
warning("Could not locate matching outfile", call. = FALSE)
}
outmtime <- file.info(outfiles[matchPos[1L]])$mtime
if (isTRUE(inpmtime <= outmtime)) {
if (isTRUE(isLogOpen())) {
writeLines(paste("Skipping model because output file is newer than input file:", inpfiles[i]), logTarget)
flush(logTarget)
}
next
}
} else if (isTRUE(replaceOutfile == "never")) {
if (isTRUE(isLogOpen())) {
writeLines(paste("Skipping model because output file already exists for:", inpfiles[i]), logTarget)
flush(logTarget)
}
next
}
}
}
inputSplit <- splitFilePath(inpfiles[i])
if (isTRUE(is.na(inputSplit$directory))) {
dirtocd <- directory
} else {
dirtocd <- file.path(directory, inputSplit$directory)
}
absFilename <- file.path(directory, inpfiles[i])
if (isTRUE(.Platform$OS.type == "unix" && Mplus == "Mplus")) {
if (isTRUE(Sys.info()["sysname"] == "Darwin")) {
Mplus <- "/Applications/Mplus/mplus"
} else {
Mplus <- "mplus"
}
}
command <- paste("cd \"", dirtocd, "\" && \"", Mplus, "\" \"", inputSplit$filename, "\"", sep = "")
if (isTRUE(.Platform$OS.type == "windows")) {
command <- chartr("/", "\\", command)
shellcommand <- Sys.getenv("COMSPEC")
flag <- "/c"
command <- paste(shellcommand, flag, command)
} else if (isTRUE(.Platform$OS.type == "unix")) {
}
if (isTRUE(isLogOpen())) {
writeLines(paste("Currently running model:", inputSplit$filename), logTarget)
flush(logTarget)
}
cat("\nRunning model:", inputSplit$filename, "\n")
cat("System command:", command, "\n")
if (isTRUE(.Platform$OS.type == "windows")) {
system(command, show.output.on.console = showOutput,
invisible = (!showOutput), wait = TRUE)
} else {
if (isTRUE(showOutput)) {
stdout.value <- ""
} else {
stdout.value <- NULL
}
oldwd <- getwd()
setwd(dirtocd)
if (isTRUE(local_tmpdir)) {
Sys.setenv(TMPDIR = dirtocd)
}
exitCode <- system2(Mplus, args = c(shQuote(inputSplit$filename)),
stdout = stdout.value, wait = TRUE)
if (isTRUE(exitCode > 0L)) {
warning("Mplus returned error code: ", exitCode, ", for model: ", inputSplit$filename, "\n", call. = FALSE)
}
setwd(oldwd)
}
}
if (isTRUE(isLogOpen())) {
writeLines(c("", paste("------End Mplus Model Run: ",
format(Sys.time(), "%d%b%Y %H:%M:%S"), "------",
sep = "")), logTarget)
flush(logTarget)
}
normalComplete <- TRUE
}
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Defines functions run.mplus
Documented in run.mplus
#' Run Mplus Models
#'
#' This function runs a group of Mplus models (\code{.inp} files) located within
#' a single directory or nested within subdirectories.
#'
#' @param target a character string indicating the directory containing
#' Mplus input files (\code{.inp})
#' to run or the single \code{.inp} file to be run. May be
#' a full path, relative path, or a filename within the working
#' directory.
#' @param recursive logical: if \code{TRUE}, run all models nested in subdirectories
#' within directory. Not relevant if target is a single file.
#' @param filefilter a Perl regular expression (PCRE-compatible) specifying particular
#' input files to be run within directory. See regex or
#' http://www.pcre.org/pcre.txt for details about regular
#' expression syntax. Not relevant if target is a single file.
#' @param showOutput logical: if \code{TRUE}, estimation output (\code{TECH8})
#' is show on the R console. Note that if run within Rgui,
#' output will display within R, but if run via Rterm,
#' a separate window will appear during estimation.
#' @param replaceOutfile a character string for specifying three settings:
#' \code{"always"} (default), which runs all models, regardless
#' of whether an output file for the model exists, \code{"never"},
#' which does not run any model that has an existing output file,
#' and \code{"modifiedDate"}, which only runs a model if the
#' modified date for the input file is more recent than the
#' output file modified date.
#' @param logFile a character string specifying a file that records the settings
#' passed into the function and the models run (or skipped)
#' during the run.
#' @param Mplus a character string for specifying the name or path of the
#' Mplus executable to be used for running models. This covers
#' situations where Mplus is not in the system's path, or where
#' one wants to test different versions of the Mplus program.
#' Note that there is no need to specify this argument for most
#' users since it has intelligent defaults.
#' @param killOnFail logical: if \code{TRUE}, all processes named mplus.exe when
#' \code{mplus.run()} does not terminate normally are killed.
#' Windows only.
#' @param local_tmpdir logical: if \code{TRUE}, the TMPDIR environment variable
#' is set to the location of the \code{.inp file} prior to
#' execution. This is useful in Monte Carlo studies where many
#' instances of Mplus may run in parallel and we wish to avoid
#' collisions in temporary files among processes. Linux/Mac only.
#'
#' @author
#' Hadley Wickham, Romain Francois, Lionel Henry, and Kirill Müller, and Davis Vaughan.
#'
#' @references
#' Hallquist, M. N. & Wiley, J. F. (2018). MplusAutomation: An R package for facilitating
#' large-scale latent variable analyses in Mplus. \emph{Structural Equation Modeling:
#' A Multidisciplinary Journal, 25}, 621-638. https://doi.org/10.1080/10705511.2017.1402334.
#'
#' Muthen, L. K., & Muthen, B. O. (1998-2017). \emph{Mplus User's Guide} (8th ed.).
#' Muthen & Muthen.
#'
#' @return
#' None.
#'
#' @note
#' This function is a copy of the \code{runModels()} function in the
#' \pkg{MplusAutomation} package by Michael Hallquist and Joshua Wiley (2018).
#'
#' @export
#'
#' @examples
#' \dontrun{
#' # Run Mplus models located within a single directory
#' run.mplus(Mplus = "C:/Program Files/Mplus/Mplus.exe")
#'
#' # Run Mplus models located nested within subdirectories
#' run.mplus(recursive = TRUE,
#' Mplus = "C:/Program Files/Mplus/Mplus.exe")
#' }
run.mplus <- function(target = getwd(), recursive = FALSE, filefilter = NULL, showOutput = FALSE,
replaceOutfile = c("always", "never", "modifiedDate"), logFile = NULL,
Mplus = "Mplus", killOnFail = TRUE, local_tmpdir = FALSE) {
#_____________________________________________________________________________
#
# Additional Functions -------------------------------------------------------
#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
## Split File and Path into Separate Parts ####
splitFilePath <- function(abspath) {
if (isTRUE(!is.character(abspath))) stop("Path not a character string", call. = FALSE)
if (isTRUE(nchar(abspath) < 1L || is.na(abspath))) stop("Path is missing or of zero length", call. = FALSE)
# trailing slash screws up file.exists call on Windows: https://bugs.r-project.org/bugzilla/show_bug.cgi?id=14721
abspath <- sub("(\\\\|/)?$", "", abspath, perl = TRUE)
components <- strsplit(abspath, split = "[\\/]")[[1L]]
lcom <- length(components)
stopifnot(lcom > 0L)
# the file is the last element in the list. In the case of length == 1, this will extract the only element.
relFilename <- components[lcom]
absolute <- FALSE
if (isTRUE(lcom == 1L)) {
dirpart <- NA_character_
} else if (isTRUE(lcom > 1L)) {
components <- components[-lcom]
dirpart <- do.call("file.path", as.list(components))
#if path begins with C:, /, ~/, //, or \\, then treat as absolute
if (isTRUE(grepl("^([A-Z]{1}:|~/|/|//|\\\\)+.*$", dirpart, perl = TRUE))) absolute <- TRUE
}
return(list(directory = dirpart, filename = relFilename, absolute = absolute))
}
#_____________________________________________________________________________
#
# Input Check ----------------------------------------------------------------
stopifnot(replaceOutfile %in% c("always", "never", "modifiedDate"))
if (isTRUE(length(target) > 1L)) {
stop("Target for run.mplus() must be a single file or single directory.", call. = FALSE)
}
curdir <- getwd()
if (isTRUE(grepl(".*\\.inp?$", target, perl = TRUE))) {
directory <- dirname(target)
filelist <- basename(target)
if (isTRUE(!is.null(filefilter))) {
warning("Using run.mplus() with a single .inp target ignores filefilter.", call. = FALSE)
}
if (isTRUE(!file.exists(target))) {
stop("run.mplus() cannot locate target file: ", target, call. = FALSE)
}
setwd(directory)
if (isTRUE(file.exists(outtest <- sub("\\.inp?$", ".out", filelist, perl = TRUE)))) {
filelist <- c(filelist, outtest)
}
} else {
directory <- sub("(\\\\|/)?$", "", target, perl = TRUE)
if (isTRUE(.Platform$OS.type == "windows" && grepl("^[a-zA-Z]:$", directory))) {
directory <- paste0(directory, "/")
}
if (isTRUE(!file.exists(directory))) {
stop("run.mplus() cannot change to directory: ", directory, call. = FALSE)
}
setwd(directory)
filelist <- list.files(recursive = recursive, pattern = filefilter)
}
#_____________________________________________________________________________
#
# Arguments ------------------------------------------------------------------
# Argument replaceOutfile
if (isTRUE(all(c("always", "never", "modifiedDate") %in% replaceOutfile))) { replaceOutfile <- "always" }
#_____________________________________________________________________________
#
# Main Function --------------------------------------------------------------
normalComplete <- FALSE
if (isTRUE(!is.null(logFile))) {
logTarget <- file(description = logFile, open = "wt", blocking = TRUE)
writeLines(c(paste0("------Begin Mplus Model Run: ",
format(Sys.time(), "%d%b%Y %H:%M:%S"), "------"),
paste0("Target directory: ", directory), "Run options:",
paste("\tRecursive (run models in subdirectories):",
as.character(recursive)), paste("\tShow output on console:", as.character(showOutput)),
paste("\tReplace existing outfile:", replaceOutfile), "------"), con = logTarget)
flush(logTarget)
}
isLogOpen <- function() {
if (isTRUE(is.null(logFile))) {
return(FALSE)
}
connections <- data.frame(showConnections(all = FALSE), stringsAsFactors = FALSE)
if (isTRUE(length(grep(splitFilePath(logFile)$filename, connections$description, ignore.case = TRUE)) > 0L)) {
return(TRUE)
} else {
return(FALSE)
}
}
exitRun <- function() {
deleteOnKill <- TRUE
if (isTRUE(normalComplete == FALSE && isLogOpen())) {
writeLines("Run terminated abnormally", logTarget)
flush(logTarget)
}
if (isTRUE(.Platform$OS.type == "windows" && normalComplete == FALSE && killOnFail == TRUE)) {
processList <- plyr::ldply(strsplit(shell("wmic process get caption, processid", intern = TRUE), split = "\\s+", perl = TRUE),
function(element) {
return(data.frame(procname = element[1L], pid = element[2L], stringsAsFactors = FALSE))
})
if (isTRUE(length(grep("mplus.exe", processList$procname, ignore.case = TRUE)) > 0L)) {
if (isTRUE(isLogOpen())) {
writeLines("Killing wayward Mplus processes", logTarget)
flush(logTarget)
}
shell("taskkill /f /im mplus.exe")
if (isTRUE(deleteOnKill == TRUE)) {
noExtension <- substr(absFilename, length(absFilename) - 4L, length(absFilename))
outDelete <- paste(noExtension, ".out", sep = "")
gphDelete <- paste(noExtension, ".gph", sep = "")
if (isTRUE(file.exists(outDelete))) {
unlink(outDelete)
if (isTRUE(isLogOpen())) {
writeLines(paste("Deleting unfinished output file:", outDelete), logTarget)
flush(logTarget)
}
}
if (isTRUE(file.exists(gphDelete))) {
unlink(gphDelete)
if (isTRUE(isLogOpen())) {
writeLines(paste("Deleting unfinished graph file:", gphDelete), logTarget)
flush(logTarget)
}
}
}
}
}
if (isTRUE(isLogOpen())) {
close(logTarget)
}
setwd(curdir)
}
on.exit(exitRun())
inpfiles <- filelist[grep(".*\\.inp?$", filelist, ignore.case = TRUE)]
outfiles <- filelist[grep(".*\\.out$", filelist, ignore.case = TRUE)]
if (isTRUE(length(inpfiles) < 1L)) {
stop("No Mplus input files detected in the target directory: ", directory)
}
dropOutExtensions <- sapply(outfiles, function(x) {
if (isTRUE(nchar(x) >= 4L))
return(tolower(substr(x, 1L, (nchar(x) - 4L))))
})
for (i in seq_len(length(inpfiles))) {
if (isTRUE(!replaceOutfile == "always")) {
if (isTRUE(tolower(sub("\\.inp?$", "", inpfiles[i], perl = TRUE)) %in% dropOutExtensions)) {
if (isTRUE(replaceOutfile == "modifiedDate")) {
inpmtime <- file.info(inpfiles[i])$mtime
matchPos <- grep(tolower(substr(inpfiles[i], 1, (nchar(inpfiles[i]) - 4L))), dropOutExtensions)
if (isTRUE(length(matchPos) < 1L)) {
warning("Could not locate matching outfile", call. = FALSE)
}
outmtime <- file.info(outfiles[matchPos[1L]])$mtime
if (isTRUE(inpmtime <= outmtime)) {
if (isTRUE(isLogOpen())) {
writeLines(paste("Skipping model because output file is newer than input file:", inpfiles[i]), logTarget)
flush(logTarget)
}
next
}
} else if (isTRUE(replaceOutfile == "never")) {
if (isTRUE(isLogOpen())) {
writeLines(paste("Skipping model because output file already exists for:", inpfiles[i]), logTarget)
flush(logTarget)
}
next
}
}
}
inputSplit <- splitFilePath(inpfiles[i])
if (isTRUE(is.na(inputSplit$directory))) {
dirtocd <- directory
} else {
dirtocd <- file.path(directory, inputSplit$directory)
}
absFilename <- file.path(directory, inpfiles[i])
if (isTRUE(.Platform$OS.type == "unix" && Mplus == "Mplus")) {
if (isTRUE(Sys.info()["sysname"] == "Darwin")) {
Mplus <- "/Applications/Mplus/mplus"
} else {
Mplus <- "mplus"
}
}
command <- paste("cd \"", dirtocd, "\" && \"", Mplus, "\" \"", inputSplit$filename, "\"", sep = "")
if (isTRUE(.Platform$OS.type == "windows")) {
command <- chartr("/", "\\", command)
shellcommand <- Sys.getenv("COMSPEC")
flag <- "/c"
command <- paste(shellcommand, flag, command)
} else if (isTRUE(.Platform$OS.type == "unix")) {
}
if (isTRUE(isLogOpen())) {
writeLines(paste("Currently running model:", inputSplit$filename), logTarget)
flush(logTarget)
}
cat("\nRunning model:", inputSplit$filename, "\n")
cat("System command:", command, "\n")
if (isTRUE(.Platform$OS.type == "windows")) {
system(command, show.output.on.console = showOutput,
invisible = (!showOutput), wait = TRUE)
} else {
if (isTRUE(showOutput)) {
stdout.value <- ""
} else {
stdout.value <- NULL
}
oldwd <- getwd()
setwd(dirtocd)
if (isTRUE(local_tmpdir)) {
Sys.setenv(TMPDIR = dirtocd)
}
exitCode <- system2(Mplus, args = c(shQuote(inputSplit$filename)),
stdout = stdout.value, wait = TRUE)
if (isTRUE(exitCode > 0L)) {
warning("Mplus returned error code: ", exitCode, ", for model: ", inputSplit$filename, "\n", call. = FALSE)
}
setwd(oldwd)
}
}
if (isTRUE(isLogOpen())) {
writeLines(c("", paste("------End Mplus Model Run: ",
format(Sys.time(), "%d%b%Y %H:%M:%S"), "------",
sep = "")), logTarget)
flush(logTarget)
}
normalComplete <- TRUE
}
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