pgo: simplify the example

do not require mkpasswd and even increase the number of possible build results, because now we have variations in input length. Also we are explicitly calling bash because dash does not know about $RANDOM
bmwiedemann · Dec 8, 2018 · 35e1af7 · 35e1af7
1 parent f0e4ee4
commit 35e1af7
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diff --git a/pgo/Makefile b/pgo/Makefile
@@ -9,7 +9,7 @@ run:
 	cp -a pgo ../out/
 
 profile:
-	mkpasswd $$RANDOM | ./pgo || :
+	bash -c 'echo $$RANDOM' | ./pgo || :
 
 build: pgo
 clean:

diff --git a/pgo/pgo.c b/pgo/pgo.c
@@ -5,7 +5,7 @@ int main()
   char ret=0;
   char c;
   while(read(0, &c, 1) == 1) {
-    if(c < 'm') ret++; // count the letters below "m"
+    if(c < '4') ret++; // count the chars below "4"
   }
   return ret;
 }