.hd block "convert text to block letters" 01/13/83
block [ -c <char> ] [ -w <width> ]
.ds
'Block' reads lines of text from standard input, converts them
to large block letters, and writes them on standard output.
Each character produced is 5 columns in width by 9 lines in height,
with 2 blank columns between consecutive block letters and 3 blank
lines between consecutive lines of block letters.
.sp
The character used to construct the block letters may be specified
with the "-c <char>" argument sequence; the default character is
an asterisk (*).
Similarly, the length (in regular characters) of the lines produced
by 'block' may be specified with the "-w <width>" sequence.
If omitted, a default width of 75 columns is assumed.
Input lines that will not fit on a single output line are broken
into as many consecutive lines as necessary.
.sp
Normally, 'block' ignores control characters in the input stream.
The two exceptions to this rule are NEWLINEs, which
force a new output line, and BACKSPACEs, which may be used to
produce underlined, boldfaced or other overstruck characters.
.es
echo "@n@n  In Use" | block
cal 1981 | block -w132 >/dev/lps
.me
"Usage: block ..." for invalid argument syntax.
.sa
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