[hackers] [sbase] Allow strings(1) to operate on more than one file || sin

[git]

commit 12ad81fa245ee1c9e37a7527741a08bd3ba7df5a
Author: sin <s...@2f30.org>
Date:   Thu Oct 10 16:04:15 2013 +0100

    Allow strings(1) to operate on more than one file

diff --git a/strings.1 b/strings.1
index 11e2293..3d8cdff 100644
--- a/strings.1
+++ b/strings.1
@@ -3,7 +3,7 @@
 strings \- print the strings of printable characters in files
 .SH SYNOPSIS
 .B strings
-.IR [file...]
+.IR file...
 .SH DESCRIPTION
 .B strings
 prints the printable character sequences that are at least 6 characters
diff --git a/strings.c b/strings.c
index ff2ca18..c407b56 100644
--- a/strings.c
+++ b/strings.c
@@ -9,7 +9,7 @@ static void dostrings(FILE *fp, const char *fname);
 static void
 usage(void)
 {
-       eprintf("usage: %s file
", argv0);
+       eprintf("usage: %s file...
", argv0);
 }
 
 int
@@ -22,13 +22,15 @@ main(int argc, char *argv[])
                usage();
        } ARGEND;
 
-       if (argc > 0) {
-               if (!(fp = fopen(argv[0], "r")))
-                       eprintf("open %s:", argv[0]);
-               dostrings(fp, argv[0]);
-               fclose(fp);
-       } else {
+       if (argc == 0) {
                dostrings(stdin, "<stdin>");
+       } else {
+               for (; argc > 0; argc--, argv++) {
+                       if (!(fp = fopen(argv[0], "r")))
+                               eprintf("open %s:", argv[0]);
+                       dostrings(fp, argv[0]);
+                       fclose(fp);
+               }
        }
 
        return EXIT_SUCCESS;