Merge pull request #1 from sparce/gh-pages

Unique challenge names for episodes

_episodes/02-shell-wildcards.md

@@ -45,7 +45,7 @@ sample3.txt  sample6.txt  sample9.txt  sampleC.txt  sampleF.txt
 ~~~
 {: .output}
 
-> ## Try it
+> ## Try it 1
 > 
 > 1. Write a similar ls command to list .txt files with a 2 digit/char sample number.  
 > 2. Write a similar ls command to list for samples specifically in the range of 10-19.  
@@ -102,7 +102,7 @@ ls sample1[0-9].txt
 
 Remember: an entire '[*list*]' set will only match a *single* listed character at a time.
 
-> ## Try it
+> ## Try it 2
 > 
 > 3. Write an ls command to list .txt files for samples 2 to 5.  
 > 4. Write an ls command to list .txt files for samples X, Y and Z and sample A.  
@@ -140,7 +140,7 @@ E.g.
 {: .language-bash}
 ... would match any character that's not a digit from 0 to 9.
 
-> ## Try it
+> ## Try it 3
 > 
 > 7. Write an ls command to list .txt files for all samples *other* than those numbered 4 to 7 and 9.
 >  
@@ -218,7 +218,7 @@ Brace expansion is always the first order of business when the command line inte
 It's a useful tool, and while not quite fitting the regular expression theme, the concept
 of listing longer options in a this-OR-that fashion will be visited again in proper regexs.
 
-> ## Try it
+> ## Try it 4
 > 
 > 8. Write an ls command to list files for samples 8 to 13 and CD.
 > 9. Write an ls command to list just .csv and .tab files for samples 11 and CD.

_episodes/03-egrep-find.md

@@ -100,7 +100,7 @@ Only the B met this criteria.
 
 
 
-> ## Try it
+> ## Try it 1
 > 
 > 1. Write a grep -E command to search wordplay1.txt for either 'corn' or 'cow'
 > 2. Try the above with -w option enabled (match as whole words only)
@@ -175,7 +175,7 @@ echo "1952 1986 2003 1995 2018" | grep -E -o '20[0-9][0-9]'
 
 
 
-> ## Try it
+> ## Try it 2
 > 
 > 5. Write a grep -E command to search wordplay1.txt for 4-letter words ending in 'oat'
 > 6. What if you didn't know if the words started with lower case or capitol letters?
@@ -216,7 +216,7 @@ lag
 
 
 
-> ## Try it
+> ## Try it 3
 > 
 > 9. Modify your 'oat' word finder to find any 4-letter 'oat' words other than 'boat' and 'goat'
 > 
@@ -360,7 +360,7 @@ sophisticated
 
 
 
-> ## Try it
+> ## Try it 4
 > 
 > 10. Use 'grep -E -o' on wordplay1.txt to match *all* of any line that starts with a 'c'  
 > 11. Use 'grep -E -o' on wordplay1.txt to match the *first word* of lines starting with a 'c'  
@@ -408,7 +408,7 @@ echo "11/06/91 5/9/2018" | grep -E -o '[0-9]+/[0-9]+/[0-9]+'
 
 
 
-> ## Try it
+> ## Try it 5
 > 
 > Have a look at 'namesndates.txt' (```cat namesndates.txt```)
 > 14. Use 'grep -E -o' on namesndates.txt to list times (e.g. 20:57).

_episodes/04-egrep-charclasses.md

@@ -143,7 +143,7 @@ hirdWor
 
 
 
-## Try it
+> ## Try it 1
 > 
 > 1. Use 'grep -E -o' on wordplay1.txt to print the first 2 words of any line using  
 >   a. [[:alpha:]] and [[:space:]]  
@@ -238,7 +238,7 @@ Our pattern matched to three letters, then to those same three letters repeated
 
 
 
-## Try it
+> ## Try it 2
 > 
 > 4. Grep 'wordplay1.txt' to print the only line that contains the same word repeated twice.
 > Hint: You may need to use the '\\b' word-boundary anchor.

_episodes/05-sed-substitution.md

@@ -131,7 +131,7 @@ helloAndrew
 
 
 
-> ## Try it
+> ## Try it 1
 > 
 > Using ```sed -E 's/ / /g' wordplay1.txt```...
 >
@@ -200,7 +200,7 @@ two one
 
 
 
-> ## Try it
+> ## Try it 2
 > 
 > Using ```sed -E 's/ / /g' wordplay1.txt```...
 >