20 lines
348 B
Text
20 lines
348 B
Text
/* Somewhat faster "wc" tool: match more text with each rule */
|
|
|
|
ws [ \t]
|
|
nonws [^ \t\n]
|
|
word {ws}*{nonws}+
|
|
|
|
%%
|
|
int cc = 0, wc = 0, lc = 0;
|
|
|
|
{word}{ws}* cc += yyleng; ++wc;
|
|
{word}{ws}*\n cc += yyleng; ++wc; ++lc;
|
|
|
|
{ws}+ cc += yyleng;
|
|
|
|
\n+ cc += yyleng; lc += yyleng;
|
|
|
|
<<EOF>> {
|
|
printf( "%8d %8d %8d\n", lc, wc, cc );
|
|
yyterminate();
|
|
}
|