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scriptexec package - RDocumentation

Run complex native scripts with a single command, similar to system commands.

• Overview
• Usage
• Installation
• API Documentation
• Contributing
• Release History
• License

The purpose of the scriptexec package is to enable quick and easy way to execute native scripts.

Simply load the library and invoke the execute

library(scriptexec)

# execute script text
output <- scriptexec::execute("echo command1\necho command2")
expect_equal(output$status, 0)
expect_equal(grepl("command1", output$output), TRUE)
expect_equal(grepl("command2", output$output), TRUE)

if (.Platform$OS.type == "windows") {
    ls_command <- "dir"
} else {
    ls_command <- "ls"
}
output <- scriptexec::execute(c("echo user home:", ls_command))
expect_equal(output$status, 0)

# execute multiple commands as a script
output <- scriptexec::execute(c("cd", "echo test"))
expect_equal(output$status, 0)

# pass arguments (later defined as ARG1, ARG2, ...) and env vars
if (.Platform$OS.type == "windows") {
    command <- "echo %ARG1% %ARG2% %MYENV%"
} else {
    command <- "echo $ARG1 $ARG2 $MYENV"
}
output <- scriptexec::execute(command, args = c("TEST1", "TEST2"), env = c("MYENV=TEST3"))
expect_equal(output$status, 0)
expect_equal(grepl("TEST1 TEST2 TEST3", output$output), TRUE)

# non zero status code is returned in case of errors
expect_warning(output <- scriptexec::execute("exit 1"))
expect_equal(output$status, 1)

# do not wait for command to finish
output <- scriptexec::execute("echo my really long task", wait = FALSE)
expect_equal(output$status, -1)

Install from CRAN:

install.packages("scriptexec")

Install latest release from github:

devtools::install_github("sagiegurari/scriptexec@0.3.1")

Install current development version from github (might be unstable):

devtools::install_github("sagiegurari/scriptexec")

See full docs at: API Docs

See contributing guide

See NEWS

Developed by Sagie Gur-Ari and licensed under the Apache 2 open source license.

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