Last data update: 2014.03.03
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R: Run a system command and check if it succeeds.
system_check | R Documentation |
Run a system command and check if it succeeds.
Description
This function automatically quotes both the command and each
argument so they are properly protected from shell expansion.
Usage
system_check(cmd, args = character(), env = character(), quiet = FALSE,
echo = FALSE, ...)
Arguments
cmd |
the command to run.
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args |
a vector of command arguments.
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env |
a named character vector of environment variables. Will be quoted
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quiet |
if TRUE , the command output will be echoed.
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echo |
if TRUE , the command to run will be echoed.
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... |
additional arguments passed to system
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Value
TRUE if the command succeeds, an error will be thrown if the
command fails.
Results
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