.TH vis 1 2021-11-21 me-utils "Extended Userland" .SH NAME vis \- Print octal values of invisible characters .PP .SH SYNOPSIS .PP vis .SH DESCRIPTION .PP Vis is an extension to the standard userland that reads standard input and replaces any non-printing or blank characters with their octal values. .SH OPTIONS .PP Vis accepts no arguments. .SH ENVIRONMENT This program requires a C89 compiler. .SH FILES /usr/src/me-utils/src/vis.c .SH CONFORMING TO .PP Non-standard tool. .SH NOTES .PP Nothing to note. .SH BUGS .PP No bugs known. Please report any to . .SH SEE ALSO od(1p), printf(1p), echo(1p)