berryFunctions (version 1.22.5)

timer: Timer alarm

Description

Beeps in a given interval and gives a progress bar in the console

Usage

timer(interval = 20, n = 15, write = FALSE)

Value

none

Arguments

interval

alarm interval in seconds. DEFAULT: 20

n

number of alarm signals to be given. DEFAULT: 15

write

Should the actual estimated time be written for overhead computing time control purposes? DEFAULT: FALSE

Author

Berry Boessenkool, , June 2015

Details

defaults to practice useR lightning talks: 15 slides, each shown 20 secs, change automatically

References

https://user2015.math.aau.dk/lightning_talks

See Also

alarm, Sys.sleep, txtProgressBar

Examples

if (FALSE) ## Skip time consuming checks on CRAN
timer(interval=0.5, n=3)
timer(interval=0.2, n=8, write=TRUE) # a slight deviation occurs for a large n
# timer() # to practice lightning talks at useR! conferences