expand (1) Linux Manual Page
expand – convert tabs to spaces Synopsisexpand [,OPTION/]… [,FILE/]… DescriptionConvert tabs in each FILE to spaces, writing to standard output. With no FILE, or when FILE is -, read standard input. Mandatory arguments to long options are mandatory for short options too. -i, –initial do not convert tabs after non blanks -t, –tabs=,N/ have tabs…
