Formatting changes

pdftk basic usage.md

@@ -1,21 +1,21 @@
 To merge (concatenate) pdfs:
 
-$ pdftk inputs cat output newfile.pdf
+    $ pdftk inputs cat output newfile.pdf
 
 
 To merge all pdfs:
 
-$ pdftk *.pdf cat output newfile.pdf
+    $ pdftk *.pdf cat output newfile.pdf
 
 
 To break a pdf into single page files:
 
-$ pdftk input.pdf burst
+    $ pdftk input.pdf burst
 
 
 To combine parts of two or more files, use handles:
 
-$ pdftk A=firstfile.pdf B=secondfile.pdf cat A1-7 B1-5 A8 output newfile.pdf
+    $ pdftk A=firstfile.pdf B=secondfile.pdf cat A1-7 B1-5 A8 output newfile.pdf
 
 ========================================================================
 
@@ -23,10 +23,11 @@ To edit metadata is a multistep process:
 
 1) Dump the pdf metadata:
 
-$ pdftk input.pdf dump_data metadata.txt
+    $ pdftk input.pdf dump_data metadata.txt
 
 2) Edit the metadata (Geany appears to work), adding:
 
+```
 InfoBegin
 InfoKey: Author
 InfoValue: Kenneth John Odle
@@ -38,7 +39,7 @@ InfoValue: Journal #42
 
 3) Update the metadata in the pdf file:
 
-$ pdft input.pdf update_info metadata.txt output.pdf
+    $ pdft input.pdf update_info metadata.txt output.pdf
 
 Note that you must write to another file, as pdftk cannot overwrite the original file.
 Thus, make the file you save the scan as different than what you want the final file to be named.
@@ -55,7 +56,9 @@ This gives you pages 1 3 5 7 9
 Scan the reverse sides: 001b.pdf
 This gives you pages 10 8 6 4 2
 
-$ pdftk A=001a.pdf B=001b.pdf shuffle A1-5 B5-1 output 001.pdf
+    $ pdftk A=001a.pdf B=001b.pdf shuffle A1-5 B5-1 output 001.pdf
 
 001.pdf should now be in the order:
 1 2 3 4 5 6 7 8 9 10
+
+See the sample files included in this repo.