Initial revision

darcs-hash:20050920132639-ac50b-fa3b476891e1f5f67207cf4cc7bf623834cc5edc.gz

count.c

@@ -0,0 +1,22 @@
+/** \file count.c
+   The length command, used for determining the number of items in an
+   environment variable array.
+*/
+#include <stdlib.h>
+#include <stdio.h>
+
+/**
+   The main function. Does nothing but return the number of arguments.
+
+   This command, unlike all other fish commands, does not feature a -h
+   or --help option. This is because we want to avoid errors on arrays
+   that have -h or --help as entries, which is very common when
+   parsing options, etc. For this reason, the main fish binary does a
+   check and prints help usage if -h or --help is explicitly given to
+   the command, but not if it is the contents of a variable.
+*/
+int main( int argc, char **argv )
+{
+	printf( "%d\n", argc-1 );
+	return argc==1;
+}