Merge pull request #1787 from xexyl/august1985-try

1985/august/README.md

@@ -15,7 +15,7 @@ make all
 ### Try:
 
 ```sh
-./august | head -n 10
+./try.sh
 ```
 
 If you have the `primes(6)` tool (sometimes part of [BSD
@@ -27,6 +27,10 @@ what of the output in the first `N` (say `15` or `25`) lines are primes:
 ./primes.sh 25
 ```
 
+Note that `try.sh` will run this script anyway, telling you where to get
+`primes(6)` if you don't have it installed, but it will only run with the
+default value of 15, rather than trying several different values.
+
 
 ## Judges' remarks:
 

1985/august/primes.sh

@@ -18,8 +18,11 @@ if [[ -n "$PRIMES" ]]; then
     while read -r n; do primes "$n" $((n + 1)); done < <((./august | head -n "$COUNT" ))
 else
     echo "primes not installed" 1>&2
+    echo 1>&2
     echo "See the following GitHub repo:" 1>&2
-    echo "" 1>&2
-    echo "	https://github.com/vattam/BSDGames"
+    echo 1>&2
+    echo "	https://github.com/vattam/BSDGames" 1>&2
+    echo 1>&2
+    echo "and after installing try again."
     exit 1
 fi

1985/august/try.sh

@@ -0,0 +1,37 @@
+#!/usr/bin/env bash
+#
+# try.sh - demonstrate IOCCC winner 1985/august
+#
+
+# make sure CC is set so that when we do make CC="$CC" it isn't empty. Doing it
+# this way allows us to have the user specify a different compiler in an easy
+# way.
+if [[ -z "$CC" ]]; then
+    CC="cc"
+fi
+
+make CC="$CC" all >/dev/null || exit 1
+
+# clear screen after compilation so that only the entry is shown
+clear
+
+REV="$(type -P rev)"
+PRIMES=$(type -P primes)
+
+read -r -n 1 -p "Press any key to run: ./august | head -n 11: "
+echo 1>&2
+./august | head -n 11
+
+if [[ -n "$REV" ]]; then
+    echo 1>&2
+    read -r -n 1 -p "Press any key to reverse bits: "
+    echo 1>&2
+    ./august | head -n 11 | "$REV"
+fi
+
+# run primes.sh too
+echo 1>&2
+read -r -n 1 -p "Press any key to run: ./primes.sh: "
+echo 1>&2
+./primes.sh
+exit 0

thanks-for-help.md

@@ -191,6 +191,10 @@ either the default or user specified. The inspiration was the previous 'try'
 command he gave to have fun with finding primes that might seem unusual in a
 way.
 
+Cody also added the [try.sh](/1985/august/try.sh) script (which calls
+`primes.sh` whether `primes(6)` is installed or not but it only does it once
+with the default value).
+
 
 ## <a name="1985_lycklama"></a>[1985/lycklama](/1985/lycklama/lycklama.c) ([README.md](/1985/lycklama/README.md]))