将手册页转储到文本通常会保留某些格式,例如 foo^H^H^H___ fo,包括下划线和其他特殊字符,col -bx删除了这些.
$ man2txt 1 cat | head CAT(1) User Commands CAT(1) NAME cat - concatenate files and print on the standard output SYNOPSIS cat [OPTION]... [FILE]... DESCRIPTION Concatenate FILE(s) to standard output.