32v 1m tbl
TBL(1) UNIX Programmer's Manual TBL(1)
tbl - format tables for nroff or troff
tbl [ files ] ...
Tbl is a preprocessor for formatting tables for nroff or troff(1). The input files are copied to the standard output, except for lines between .TS and .TE command lines, which are assumed to describe tables and reformatted. Details are given in the reference manual.
As an example, letting \t represent a tab (which should be typed as a genuine tab) the input
.TS c s s c c s c c c l n n. Household Population Town\tHouseholds \tNumber\tSize Bedminster\t789\t3.26 Bernards Twp.\t3087\t3.74 Bernardsville\t2018\t3.30 Bound Brook\t3425\t3.04 Branchburg\t1644\t3.49 Bridgewater\t7897\t3.81 Far Hills\t240\t3.19 .TE
Household Population Town Households Number Size Bedminster 789 3.26 Bernards Twp. 3087 3.74 Bernardsville 2018 3.30 Bound Brook 3425 3.04 Branchburg 1644 3.49 Bridgewater 7897 3.81 Far Hills 240 3.19
If no arguments are given, tbl reads the standard input, so it may be used as a filter. When it is used with eqn or neqn the tbl command should be first, to minimize the volume of data passed through pipes.