使用fmt（format）命令可以将文本格式化。
fmt命令行选项：
|
选项 |
含义 |
|
-w，--width=N，-N |
将文本格式化成N列（默认为75） |
|
-p，--prefix=STRING |
只对以STRING字符串开始的行进行格式化 |
|
-u，--uniform-spacing |
强行执行字与字之间一个空格，句子之间两个空格 |
[root@localhost ~]# cat fmttest
#
# Generated automatically from man.conf.in by the
# configure script.
#
# man.conf from man-1.6d
#
# For more information about this file, see the man pages man(1)
# and man.conf(5).
#
# This file is read by man to configure the default manpath (also used
[root@localhost ~]# fmt -40 fmttest
# # Generated automatically from
man.conf.in by the # configure script.
# # man.conf from man-1.6d # # For more
information about this file, see the
man pages man(1) # and man.conf(5). #
# This file is read by man to configure
the default manpath (also used
[root@localhost ~]# fmt -40 -p '#' fmttest
# Generated automatically from
# man.conf.in by the configure script.
# man.conf from man-1.6d
# For more information about this
# file, see the man pages man(1)
# and man.conf(5).
# This file is read by man to configure
# the default manpath (also used
