l36.2c

来自「<B>Digital的Unix操作系统VAX 4.2源码</B>」· 2C 代码 · 共 48 行

#print
On the right side of a substitute, none of the other
special characters mean anything unusual.  Thus, if you wanted to
replace the letter 'a' by an asterisk, for example, the obvious
can and would work:

s/a/*/p

Try, in the file "data", replacing the comma on the last line
with a period.  Then rewrite the file and type "ready".
#create Ref
 Square Roots
1.00 1.00
2.00 1.42
3.00 1.73
4.00 2.00
You really shouldn't be
printing all of this file -
did you forget that '$' is
the address of the last
line of a file?
Use that instead of printing everything.
5.00 2.23
6.00 2.45
7.00 2.65
8.00 2.83
#create data
 Square Roots
1.00 1.00
2.00 1.42
3.00 1.73
4.00 2.00
You really shouldn't be
printing all of this file -
did you forget that '$' is
the address of the last
line of a file?
Use that instead of printing everything.
5.00 2.23
6.00 2.45
7.00 2.65
8.00 2,83
#user
#cmp data Ref
#log
#next
36.2d 5