Manual Pages  — JOT

The following options are available:

-r
	Generate random data instead of the default sequential data.
-b word
	Just print word repetitively.
-w word
	Print word with the generated data appended to it. Octal, hexadecimal, exponential, ASCII, zero padded, and right-adjusted representations are possible by using the appropriate printf(3) conversion specification inside word, in which case the data are inserted rather than appended.
-c
	This is an abbreviation for -w %c.
-s string
	Print data separated by string. Normally, newlines separate data.
-n
	Do not print the final newline normally appended to the output.
-p precision
	Print only as many digits or characters of the data as indicated by the integer precision. In the absence of -p, the precision is the greater of the precisions of begin and end. The -p option is overridden by whatever appears in a printf(3) conversion following -w.

The last four arguments indicate, respectively, the number of data, the lower bound, the upper bound, and the step size or, for random data, the seed. While at least one of them must appear, any of the other three may be omitted, and will be considered as such if given as or as an empty string. Any three of these arguments determines the fourth. If four are specified and the given and computed values of reps conflict, the lower value is used. If fewer than three are specified, defaults are assigned left to right, except for s, which assumes a default of 1 or -1 if both begin and end are given.

Defaults for the four arguments are, respectively, 100, 1, 100, and 1, except that when random data are requested, the seed, s, is picked randomly. The reps argument is expected to be an unsigned integer, and if given as zero is taken to be infinite. The begin and end arguments may be given as real numbers or as characters representing the corresponding value in ASCII. The last argument must be a real number.

    jot - 1 10

prints the integers from 1 to 10, while the command

    jot 21 -1 1.00

prints 21 evenly spaced numbers increasing from -1 to 1. The ASCII character set is generated with

    jot -c 128 0

and the strings xaa through xaz with

    jot -w xa%c 26 a

while 20 random 8-letter strings are produced with

    jot -r -c 160 a z | rs -g 0 8

Infinitely many yes's may be obtained through

    jot -b yes 0