Add 2005/boutines/try.sh

2005/boutines/try.sh

@@ -0,0 +1,69 @@
+#!/usr/bin/env bash
+#
+# try.sh - demonstrate IOCCC winner 2005/boutines
+#
+
+# 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="$CC" all >/dev/null || exit 1
+
+# clear screen after compilation so that only the entry is shown
+clear
+
+# see if the user has ruby installed
+#
+RUBY="$(type -P ruby)"
+
+# see if convert(1) is available (hopefully from ImageMagick :-) )
+#
+CONVERT="$(type -P convert)"
+
+if [[ -n "$RUBY" ]]; then
+    echo "$ $RUBY -e '20.times{puts \"\#{rand} \#{rand}\"}' | ./boutines > test.svg" 1>&2
+    read -r -n 1 -p "Press any key to continue: "
+    echo 1>&2
+    "$RUBY" -e '20.times{puts "#{rand} #{rand}"}' | ./boutines > test.svg
+else
+    echo "ruby not installed, skipping generation of an SVG file via ruby." 1>&2
+fi
+
+read -r -n 1 -p "Press any key to run: ./boutines < input.txt > result.svg: "
+echo 1>&2
+./boutines < input.txt > result.svg
+echo 1>&2
+
+if [[ ! -f result.svg && ! -f test.svg ]]; then
+    echo "failed to create any SVG file, exiting." 1>&2
+    exit 1
+fi
+
+if [[ -n "$CONVERT" ]]; then
+
+    read -r -n 1 -p "Press any key to run: convert test.svg test.png: "
+    echo 1>&2
+    if ! convert test.svg test.png; then
+	echo "Failed to convert test.svg to test.png, try a graphics viewer that" 1>&2
+	echo "can view SVG files." 1>&2
+    else
+	echo "Now try viewing test.png with your favourite graphics viewer." 1>&2
+    fi
+
+    echo 1>&2
+    read -r -n 1 -p "Press any key to run: convert result.svg result.png: "
+    echo 1>&2
+    if ! convert result.svg result.png; then
+	echo "Failed to convert result.svg to result.png, try a graphics viewer that" 1>&2
+	echo "can view SVG files." 1>&2
+    else
+	echo "Now try viewing result.png with your favourite graphics viewer." 1>&2
+    fi
+else
+    echo 1>&2
+    echo "convert not found (ImageMagick not installed?)" 1>&2
+    echo "Try viewing *.svg with a graphics viewer that can view SVG files." 1>&2
+fi