[hackers] [sbase] Print header in tail(1) || sin

From: <git_AT_suckless.org>
Date: Fri, 21 Nov 2014 00:09:47 +0100

commit d221e5ea5b859df9805e14aaf99c644750c6da6a
Author: sin <sin_AT_2f30.org>
Date: Thu Nov 20 23:09:14 2014 +0000

    Print header in tail(1)

diff --git a/tail.c b/tail.c
index b3a8b30..c2bc6eb 100644
--- a/tail.c
+++ b/tail.c
_AT_@ -24,6 +24,7 @@ main(int argc, char *argv[])
         void (*tail)(FILE *, const char *, long) = taketail;
         char *lines;
         int ret = 0;
+ int newline, many;
 
         ARGBEGIN {
         case 'n':
_AT_@ -41,12 +42,17 @@ main(int argc, char *argv[])
         if (argc == 0) {
                 tail(stdin, "<stdin>", n);
         } else {
- for (; argc > 0; argc--, argv++) {
+ many = argc > 1;
+ for (newline = 0; argc > 0; argc--, argv++) {
                         if (!(fp = fopen(argv[0], "r"))) {
                                 weprintf("fopen %s:", argv[0]);
                                 ret = 1;
                                 continue;
                         }
+ if (many)
+ printf("%s==> %s <==\n",
+ newline ? "\n" : "", argv[0]);
+ newline = 1;
                         tail(fp, argv[0], n);
                         fclose(fp);
                 }
Received on Fri Nov 21 2014 - 00:09:47 CET