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-rw-r--r--js/games/nluqo.github.io/~bh/61a-pages/Lectures/unix/steps7
1 files changed, 7 insertions, 0 deletions
diff --git a/js/games/nluqo.github.io/~bh/61a-pages/Lectures/unix/steps b/js/games/nluqo.github.io/~bh/61a-pages/Lectures/unix/steps
new file mode 100644
index 0000000..605c9e7
--- /dev/null
+++ b/js/games/nluqo.github.io/~bh/61a-pages/Lectures/unix/steps
@@ -0,0 +1,7 @@
+tr -d '.,;:"\!\[]()' < summary > nopunct
+tr '	' ' ' < nopunct > notab
+tr ' ' '\n' < notab > oneword
+tr '[A-Z]' '[a-z]' < oneword > lowcase
+sort < lowcase > sorted
+uniq < sorted > nodup
+join -v1 nodup words > errors