bash version (#1)

README.md

@@ -2,6 +2,10 @@
 
 Turns `The most similar command` and `Did you mean` error prompts for CLI commands into menus that accept input and executes a corrected command.
 
+## bash version
+
+The [bash version](didyoumean.sh) is a bit slower but it maintains shell environment (colors, etc.)
+
 ## usage
 
 ```

didyoumean.sh

@@ -0,0 +1,85 @@
+#!/usr/bin/env bash
+
+# didyoumean error manager
+__ext_didyoumean() {
+    local tmpfile=$(mktemp)
+    orig_cmd=$2
+    "$@" 2> $tmpfile
+    exit_code=$?
+    dym_errors=$(cat $tmpfile)
+    rm -f $tmpfile
+    if [ "" != "$exit_code" ] && [ "0" != "$exit_code" ]; then
+        # Display a menu for "did you mean" error suggestions
+        if [ "" != "$(echo "$dym_errors" | egrep -i "(Did you mean)|(The most similar command)")" ]; then
+            local -a options
+            reading_options=0
+            while read -r line; do
+                line="$(echo "$line" | sed -e 's/^[[:space:]]*//' -e 's/[[:space:]]*$//')"
+                if [ "" = "$line" ]; then
+                    reading_options=0
+                fi
+                if [ 1 -eq $reading_options ]; then
+                    options+=($line)
+                fi
+                if [ "" != "$(echo "$line" | egrep -i "(Did you mean)|(The most similar command)")" ]; then
+                    reading_options=1
+                fi
+            done <<< "$dym_errors"
+
+            # rebuild error output
+            bad_command=$(echo "$dym_errors" | awk -F "'" '{print $2}')
+            >&2 echo "$2: '$bad_command' is not a $2 command. See '$2 --help'."
+            >&2 echo
+
+            # build error screen
+            if [ 1 -eq "${#options[@]}" ]; then
+                >&2 echo "    Did you mean this?"
+            else
+                >&2 echo "    Did you mean one of these?"
+            fi
+
+            # build menu items
+            local cnt=0
+            for a in "${options[@]}"; do
+                if [ 1 -eq "${#options[@]}" ]; then
+                    opt_key=""
+                else
+                    opt_key="$((cnt + 1)):"
+                fi
+                >&2 echo "        $opt_key ${options[$cnt]}"
+                cnt=$((cnt + 1))
+            done
+            >&2 echo
+
+            # prompt for input
+            old_IFS=$IFS
+            IFS='%'
+            if [ 1 -eq $cnt ]; then
+                prompt="[Y/n] > "
+            else
+                >&2 echo "        0: quit"
+                >&2 echo
+                prompt="[1] > "
+            fi
+            read -e -p $prompt -t 60 option
+            IFS=$old_IFS
+
+            # if input is not no/quit
+            if [ "0" != "$option" ] && [ "n" != "$option" ] && [ "N" != "$option" ]; then
+                # set default option if none given
+                if [ "" = "$option" ] || [ "Y" = "$option" ] || [ "y" = "$option" ]; then
+                    option=1
+                fi
+                # exec
+                option=$((option - 1))
+                echo "executing $1 $2 ${options[$option]} ${@:4}"
+                echo
+                $1 $2 ${options[$option]} ${@:4}
+            fi
+        fi
+    else
+        echo "$dym_errors"
+        return $exit_code
+    fi
+}
+export -f __ext_didyoumean