l16.2a

来自「<B>Digital的Unix操作系统VAX 4.2源码</B>」· 2A 代码 · 共 55 行

#print
Write a program which reads a file with lines of up
to 200 characters and shortens them to 60 characters
by throwing away any characters past the first 60.
Compile and test it; then type "ready".
#once #create Ref
hoboken harrison newark roseville avenue grove street
east orange brick church orange highland avenue east orange 
mountain station south orange maplewood millburn short hills
summit chatham madison convent station morristown summit cha
new providence murray hill berkeley heights

gillette stirling millingon lyons basking ridgexxxxxxxxxxxxx
bernardsville far hills peapack gladstone
#once #create badin
hoboken harrison newark roseville avenue grove street
east orange brick church orange highland avenue east orange brick church orange highland avenue east orange brick church orange highland avenue
mountain station south orange maplewood millburn short hills
summit chatham madison convent station morristown summit chatham madison convent station morristown summit chatham madison convent station morristown
new providence murray hill berkeley heights

gillette stirling millingon lyons basking ridgexxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
bernardsville far hills peapack gladstone
#user
a.out <badin >xxx
#cmp Ref xxx
#succeed
/*	one way to do this */
 #include <stdio.h>

main()
{
	char line[61];
	int c, k;

	k = 0;
	while ((c = getchar()) != EOF) {
		if (c == '\n') {
			line[k] = 0;
			printf("%s\n", line);
			k = 0;
		}
		else if (k < 60)
			line[k++] = c;
	}
}

/* Note that this version works regardless of
how long the lines are.  If you use getline,
is the same thing true??
 */
#log
#next
16.2b 10