LPTEST(1B) BSD Compatibility Package Commands LPTEST(1B)
lptest - generate line printer ripple pattern
/usr/ucb/lptest [length [count]]
The lptest utility writes the traditional ripple test pattern to the
standard output. In 96 lines, the ripple test pattern prints all 96
printable ASCII characters in each position. The ripple test pattern
was originally created to test printers. It is also useful for
testing terminals, driving terminal ports, debugging, and performing
tasks that require a quick supply of random data.
This command is obsolete.
length
Specifies the length of the output line in characters. 79
characters is the default.
count
Specifies the number of output lines. 200 lines is the
default. If count is specified, length must also be
specified.
The following exit values are returned:
0
Successful completion.
non-zero
An error occurred.
attributes(7)
September 9, 1996 LPTEST(1B)
NAME
lptest - generate line printer ripple pattern
SYNOPSIS
/usr/ucb/lptest [length [count]]
DESCRIPTION
The lptest utility writes the traditional ripple test pattern to the
standard output. In 96 lines, the ripple test pattern prints all 96
printable ASCII characters in each position. The ripple test pattern
was originally created to test printers. It is also useful for
testing terminals, driving terminal ports, debugging, and performing
tasks that require a quick supply of random data.
This command is obsolete.
OPTIONS
length
Specifies the length of the output line in characters. 79
characters is the default.
count
Specifies the number of output lines. 200 lines is the
default. If count is specified, length must also be
specified.
EXIT STATUS
The following exit values are returned:
0
Successful completion.
non-zero
An error occurred.
SEE ALSO
attributes(7)
September 9, 1996 LPTEST(1B)