Check system commands availability — check_system

This function checks if a list of system commands are available on the user's PATH.

Usage

check_system_command(commands, warning = TRUE)

Arguments

commands: A character vector of system command names to check (e.g., c("git", "Rscript", "unzip")).
warning: Logical. Whether to issue a warning if any command is missing. Defaults to TRUE.

Value

The function returns TRUE if all specified commands are available on the system, FALSE if any is not available.

Author

Ahmed El-Gabbas

Examples

# Check for the availability of system commands
check_system_command(c("unzip", "head"))
#> [1] TRUE

# return FALSE, with a warning for a missing command
check_system_command(c("unzip", "head", "curl", "missing"))
#> Warning: The following tool(s) are missing: missing
#> [1] FALSE

# return FALSE, without a warning for a missing command
check_system_command(c("unzip", "head", "curl", "missing"), warning = FALSE)
#> [1] FALSE