Merge pull request #10 from ArkieCoder/kittysupport

Add terminal size check and fix viu system call

Author: ArkieCoder

lib/stringformat.rb

@@ -53,7 +53,7 @@ def iterm2?
         system("convert -density 130 #{pdf_file} #{png_file} >/dev/null 2>&1")
         if File.exist?(png_file)
           width = (cols * 0.75).to_i
-          if system("viu -w #{width} #{png_file} >/dev/null 2>&1")
+          if system("viu -w #{width} #{png_file}") == true
             # Clean up
             tmp_file.unlink
             File.unlink(pdf_file)

rp

@@ -18,6 +18,14 @@ end
 load "#{DATA_DIR}/lib/stringformat.rb"
 load "#{DATA_DIR}/lib/sayings.rb"
 
+# Check terminal size
+cols = `tput cols`.to_i
+lines = `tput lines`.to_i
+if cols < 135 || lines < 40
+  puts "Terminal must be at least 135 columns x 40 rows. Current: #{cols}x#{lines}".red
+  exit 1
+end
+
 def print_header(header)
   puts ""
   figlet = RubyFiglet::Figlet.new(header, 'standard')