19 lines
247 B
Text
19 lines
247 B
Text
|
/* First cut at a flex-based "wc" tool. */
|
||
|
|
|
||
|
|
ws [ \t]
|
||
|
|
nonws [^ \t\n]
|
||
|
|
|
||
|
|
%%
|
||
|
|
int cc = 0, wc = 0, lc = 0;
|
||
|
|
|
||
|
|
{nonws}+ cc += yyleng; ++wc;
|
||
|
|
|
||
|
|
{ws}+ cc += yyleng;
|
||
|
|
|
||
|
|
\n ++lc; ++cc;
|
||
|
|
|
||
|
|
<<EOF>> {
|
||
|
|
printf( "%8d %8d %8d\n", lc, wc, cc );
|
||
|
|
yyterminate();
|
||
|
|
}
|