Want some bash?

carlpett-awfulShell/Day07A-death_by_pipe.sh

@@ -0,0 +1,9 @@
+#!/bin/bash
+cat $1 | \
+	tr -dc [:alpha:][:space:] | \
+	sed -r 's/ +/\n/g' | \
+	grep -vE '^ *$' | \
+	sort | \
+	uniq -c | \
+	grep -E '^ +1 ' | \
+	sed -r 's/ +1 //'

carlpett-awfulShell/Day07A-grep_only.sh

@@ -0,0 +1,8 @@
+#!/bin/bash
+cur=$(grep -- '->' $1)
+while [[ $? -eq 0 ]]; do
+	cur=${cur/ */}
+	next=$cur
+	cur=$(grep $cur $1 | grep -vE "^$cur")
+done
+echo $next

carlpett-awfulShell/Day08-sed_codegen.sh

@@ -0,0 +1,10 @@
+#!/bin/bash
+max=0
+declare -A vars=()
+eval $(cat $1 | sed -r 's/inc/+/; s/dec/-/; s/([a-z]+) ([+-]) ([-0-9]+)/vars[\1]=$((${vars[\1]-0} \2 \3)); if [[ ${vars[\1]-0} -gt $max ]]; then max=${vars[\1]}; fi/; s/^(.+) if ([a-z]+) ([!=<>]+) ([-0-9]+)/if [[ $(echo "${vars[\2]-0} \3 \4" | bc) -eq 1 ]]; then \1; fi;/')
+for v in "${!vars[@]}"
+do
+    echo $v=${vars["$v"]}
+done |
+sort -rn -t= -k2 | head -n1
+echo $max

carlpett-awfulShell/README.md

@@ -0,0 +1,5 @@
+# Awful shell solutions
+Some days, you just want to pipe
+
+## Running
+The scripts take the path to the input file as first and only parameter