Added zcat / gzcat detection.

tobi · Dec 7, 2009 · 36d8a89 · 36d8a89
1 parent fe67b30
commit 36d8a89
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diff --git a/bin/clarity b/bin/clarity
diff --git a/lib/clarity/commands/grep_command_builder.rb b/lib/clarity/commands/grep_command_builder.rb
@@ -39,7 +39,8 @@ def exec_functions
 
 
   def gzip_tools
-    terms.empty? ? ['gzcat filename'] : ['zgrep options -e term filename'] + ['grep options -e term'] * (terms.size-1)
+    cat_tool = (ENV["PATH"].split(":").find{|d| File.exists?(File.join(d, "gzcat"))} ? "zcat" : "gzcat")
+    terms.empty? ? ["#{cat_tool} filename"] : ['zgrep options -e term filename'] + ['grep options -e term'] * (terms.size-1)
   end  
 
   def bzip_tools