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Add -n flag to echo

This commit is contained in:
call-cc 2020-06-03 00:32:38 -04:00
parent 79ec3add72
commit 2214494a77
1 changed files with 5 additions and 1 deletions
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6
src/echo.c
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@ -1,13 +1,17 @@
#include <stdio.h> #include <stdio.h>
#include <string.h>
int int
main(int argc, char *argv[]) main(int argc, char *argv[])
{ {
int nflag;
if(strcmp(argv[1], "-n") == 0)
nflag = 1;
++argv; ++argv;
while(*argv) { while(*argv) {
(void)fputs(*argv, stdout); // Print argv (void)fputs(*argv, stdout); // Print argv
if(*++argv) putchar(' '); // If multiple things in argv, print a space between them. if(*++argv) putchar(' '); // If multiple things in argv, print a space between them.
} }
putchar('\n'); if(nflag) putchar('\n');
return 0; return 0;
} }