Installs the packages in packages_string. Returns 0 on success or non-zero error code. (-1 is an unknown OS)
Example:
# Example for install
try
println install("test-package")
catch err
println "Install failed"
endtry
Is package package_name installed?
Example:
# Example for is_installed
println is_installed("bash")
Attempts to take the required action on service service_name. Returns true if successful.
Example:
# Example for service
try
println service("http", "localhost:19999")
catch err
println "service not available"
endtry
Removes the packages in packages_string. Returns 0 on success or non-zero error code. (-1 is an unknown OS)
Example:
# Example for uninstall
try
println uninstall("test-package")
catch err
println "Uninstall failed"
endtry
Returns -1, 0, or +1 depending on semantic version string string_v1 being less than,
equal to, or greater than version string string_v2.
Example:
# Example for vcmp
vcmp("1.0", "2.0") # usage