diff --git a/coloring/gradient_benchmark_no_check.nu b/coloring/gradient_benchmark_no_check.nu
new file mode 100644
index 0000000..208a0c9
--- /dev/null
+++ b/coloring/gradient_benchmark_no_check.nu
@@ -0,0 +1,153 @@
+# Kubouch wrote this on/around 01/26/2022
+
+def iter_inc [incr mult iter] {
+    $incr + $mult * $iter
+}
+
+#let is_release = input "Did you compile in a release mode? y/n "
+let is_release = "y"
+
+if ($is_release | str downcase | str trim) == "y" {
+
+    $"running test 0 at (date now |  date format '%Y-%m-%d %H:%M:%S.%3f')"
+    # 0. this has wrong output
+    let 0 = (seq 10 | benchmark {
+        let height = 40
+        let width = 160
+        let stamp = 'Nu'
+        seq 0 $height | each { |row|
+            let row_data = (seq 0 $width | each { |col|
+                let fgcolor = (iter_inc 2 2 $col)
+                if $fgcolor > 200 && $fgcolor < 210 {
+                    $"(ansi -e '48;2;0;0;')($fgcolor)m($stamp)(ansi -e '0m')"
+                } else {
+                    $"(ansi -e '48;2;0;0;')($fgcolor)m(char sp)(ansi -e '0m')"
+                }
+            } | str collect)
+            $"($row_data)(char newline)"
+        } | str collect
+    } | math avg)
+
+
+    $"running test 1 at (date now |  date format '%Y-%m-%d %H:%M:%S.%3f')"
+    # 1. Fixed newline to fix the output (char cr)
+    let 1 = (seq 10 | benchmark {
+        let height = 40
+        let width = 160
+        let stamp = 'Nu'
+        seq 0 $height | each { |row|
+            let row_data = (seq 0 $width | each { |col|
+                let fgcolor = (iter_inc 2 2 $col)
+                if $fgcolor > 200 && $fgcolor < 210 {
+                    $"(ansi -e '48;2;0;0;')($fgcolor)m($stamp)(ansi -e '0m')"
+                } else {
+                    $"(ansi -e '48;2;0;0;')($fgcolor)m(char sp)(ansi -e '0m')"
+                }
+            } | str collect)
+            $"($row_data)(char cr)"
+        } | str collect
+    } | math avg)
+
+    $"running test 2 at (date now |  date format '%Y-%m-%d %H:%M:%S.%3f')"
+    # 2. Replace (char sp) with just space
+    let 2 = (seq 10 | benchmark {
+        let height = 40
+        let width = 160
+        let stamp = 'Nu'
+        seq 0 $height | each { |row|
+            let row_data = (seq 0 $width | each { |col|
+                let fgcolor = (iter_inc 2 2 $col)
+                if $fgcolor > 200 && $fgcolor < 210 {
+                    $"(ansi -e '48;2;0;0;')($fgcolor)m($stamp)(ansi -e '0m')"
+                } else {
+                    $"(ansi -e '48;2;0;0;')($fgcolor)m (ansi -e '0m')"
+                }
+            } | str collect)
+            $"($row_data)(char cr)"
+        } | str collect
+    } | math avg)
+
+    $"running test 3 at (date now |  date format '%Y-%m-%d %H:%M:%S.%3f')"
+    # 3. Precompute (ansi -e '48;2;0;0;') and (ansi -e '0m') -- seems to be slower
+    let 3 = (seq 10 | benchmark {
+        let height = 40
+        let width = 160
+        let stamp = 'Nu'
+        let ansi1 = ansi -e '48;2;0;0;'
+        let ansi2 = ansi -e '0m'
+        seq 0 $height | each { |row|
+            let row_data = (seq 0 $width | each { |col|
+                let fgcolor = (iter_inc 2 2 $col)
+                if $fgcolor > 200 && $fgcolor < 210 {
+                    $"($ansi1)($fgcolor)m($stamp)($ansi2)"
+                } else {
+                    $"($ansi1)($fgcolor)m(char sp)($ansi2)"
+                }
+            } | str collect)
+            $"($row_data)(char cr)"
+        } | str collect
+    } | math avg)
+
+    $"running test 4 at (date now |  date format '%Y-%m-%d %H:%M:%S.%3f')"
+    # 4. Inline iter_inc call
+    let 4 = (seq 10 | benchmark {
+        let height = 40
+        let width = 160
+        let stamp = 'Nu'
+        seq 0 $height | each { |row|
+            let row_data = (seq 0 $width | each { |col|
+                let fgcolor = 2 + 2 * $col
+                if $fgcolor > 200 && $fgcolor < 210 {
+                    $"(ansi -e '48;2;0;0;')($fgcolor)m($stamp)(ansi -e '0m')"
+                } else {
+                    $"(ansi -e '48;2;0;0;')($fgcolor)m(char sp)(ansi -e '0m')"
+                }
+            } | str collect)
+            $"($row_data)(char cr)"
+        } | str collect
+    } | math avg)
+
+    $"running test 5 at (date now |  date format '%Y-%m-%d %H:%M:%S.%3f')"
+    # 5. Combine (char sp) substitution and iter_inc inlining
+    let 5 = (seq 10 | benchmark {
+        let height = 40
+        let width = 160
+        let stamp = 'Nu'
+        seq 0 $height | each { |row|
+            let row_data = (seq 0 $width | each { |col|
+                let fgcolor = 2 + 2 * $col
+                if $fgcolor > 200 && $fgcolor < 210 {
+                    $"(ansi -e '48;2;0;0;')($fgcolor)m($stamp)(ansi -e '0m')"
+                } else {
+                    $"(ansi -e '48;2;0;0;')($fgcolor)m (ansi -e '0m')"
+                }
+            } | str collect)
+            $"($row_data)(char cr)"
+        } | str collect
+    } | math avg)
+
+    $"running test 6 at (date now |  date format '%Y-%m-%d %H:%M:%S.%3f')"
+    # 6. The above with par-each outer loop (using par-each anywhere else breaks the output)
+    let 6 = (seq 10 | benchmark {
+        let height = 40
+        let width = 160
+        let stamp = 'Nu'
+        seq 0 $height | par-each { |row|
+            let row_data = (seq 0 $width | each { |col|
+                let fgcolor = 2 + 2 * $col
+                if $fgcolor > 200 && $fgcolor < 210 {
+                    $"(ansi -e '48;2;0;0;')($fgcolor)m($stamp)(ansi -e '0m')"
+                } else {
+                    $"(ansi -e '48;2;0;0;')($fgcolor)m (ansi -e '0m')"
+                }
+            } | str collect)
+            $"($row_data)(char cr)"
+        } | str collect
+    } | math avg)
+
+    echo 'collating tests'
+    [ $0 $1 $2 $3 $4 $5 $6 ]
+
+} else {
+    echo "Compile in a release mode!"
+}
diff --git a/coloring/sg.nu b/coloring/sg.nu
new file mode 100644
index 0000000..a600c2c
--- /dev/null
+++ b/coloring/sg.nu
@@ -0,0 +1,102 @@
+# This is just for benchmarking
+# it uses the no check benchmark so it doesn't prompt you
+source gradient_benchmark_no_check.nu
+source gradient_benchmark_no_check.nu
+source gradient_benchmark_no_check.nu
+source gradient_benchmark_no_check.nu
+source gradient_benchmark_no_check.nu
+source gradient_benchmark_no_check.nu
+source gradient_benchmark_no_check.nu
+source gradient_benchmark_no_check.nu
+source gradient_benchmark_no_check.nu
+source gradient_benchmark_no_check.nu
+source gradient_benchmark_no_check.nu
+source gradient_benchmark_no_check.nu
+source gradient_benchmark_no_check.nu
+source gradient_benchmark_no_check.nu
+source gradient_benchmark_no_check.nu
+source gradient_benchmark_no_check.nu
+source gradient_benchmark_no_check.nu
+source gradient_benchmark_no_check.nu
+source gradient_benchmark_no_check.nu
+source gradient_benchmark_no_check.nu
+source gradient_benchmark_no_check.nu
+source gradient_benchmark_no_check.nu
+source gradient_benchmark_no_check.nu
+source gradient_benchmark_no_check.nu
+source gradient_benchmark_no_check.nu
+source gradient_benchmark_no_check.nu
+source gradient_benchmark_no_check.nu
+source gradient_benchmark_no_check.nu
+source gradient_benchmark_no_check.nu
+source gradient_benchmark_no_check.nu
+source gradient_benchmark_no_check.nu
+source gradient_benchmark_no_check.nu
+source gradient_benchmark_no_check.nu
+source gradient_benchmark_no_check.nu
+source gradient_benchmark_no_check.nu
+source gradient_benchmark_no_check.nu
+source gradient_benchmark_no_check.nu
+source gradient_benchmark_no_check.nu
+source gradient_benchmark_no_check.nu
+source gradient_benchmark_no_check.nu
+source gradient_benchmark_no_check.nu
+source gradient_benchmark_no_check.nu
+source gradient_benchmark_no_check.nu
+source gradient_benchmark_no_check.nu
+source gradient_benchmark_no_check.nu
+source gradient_benchmark_no_check.nu
+source gradient_benchmark_no_check.nu
+source gradient_benchmark_no_check.nu
+source gradient_benchmark_no_check.nu
+source gradient_benchmark_no_check.nu
+source gradient_benchmark_no_check.nu
+source gradient_benchmark_no_check.nu
+source gradient_benchmark_no_check.nu
+source gradient_benchmark_no_check.nu
+source gradient_benchmark_no_check.nu
+source gradient_benchmark_no_check.nu
+source gradient_benchmark_no_check.nu
+source gradient_benchmark_no_check.nu
+source gradient_benchmark_no_check.nu
+source gradient_benchmark_no_check.nu
+source gradient_benchmark_no_check.nu
+source gradient_benchmark_no_check.nu
+source gradient_benchmark_no_check.nu
+source gradient_benchmark_no_check.nu
+source gradient_benchmark_no_check.nu
+source gradient_benchmark_no_check.nu
+source gradient_benchmark_no_check.nu
+source gradient_benchmark_no_check.nu
+source gradient_benchmark_no_check.nu
+source gradient_benchmark_no_check.nu
+source gradient_benchmark_no_check.nu
+source gradient_benchmark_no_check.nu
+source gradient_benchmark_no_check.nu
+source gradient_benchmark_no_check.nu
+source gradient_benchmark_no_check.nu
+source gradient_benchmark_no_check.nu
+source gradient_benchmark_no_check.nu
+source gradient_benchmark_no_check.nu
+source gradient_benchmark_no_check.nu
+source gradient_benchmark_no_check.nu
+source gradient_benchmark_no_check.nu
+source gradient_benchmark_no_check.nu
+source gradient_benchmark_no_check.nu
+source gradient_benchmark_no_check.nu
+source gradient_benchmark_no_check.nu
+source gradient_benchmark_no_check.nu
+source gradient_benchmark_no_check.nu
+source gradient_benchmark_no_check.nu
+source gradient_benchmark_no_check.nu
+source gradient_benchmark_no_check.nu
+source gradient_benchmark_no_check.nu
+source gradient_benchmark_no_check.nu
+source gradient_benchmark_no_check.nu
+source gradient_benchmark_no_check.nu
+source gradient_benchmark_no_check.nu
+source gradient_benchmark_no_check.nu
+source gradient_benchmark_no_check.nu
+source gradient_benchmark_no_check.nu
+source gradient_benchmark_no_check.nu
+source gradient_benchmark_no_check.nu
diff --git a/progress_bar/percent_meter.nu b/progress_bar/percent_meter.nu
new file mode 100644
index 0000000..10189e1
--- /dev/null
+++ b/progress_bar/percent_meter.nu
@@ -0,0 +1,21 @@
+def loading [] {
+    print -n $"Loading (char newline)"
+    0..100 | each { |tick|
+        sleep 50ms
+        # I believe '1000D' means move the cursor to the left 1000 columns
+        print -n $"(ansi -e '1000D')($tick)%"
+    }
+    #show_cursor
+}
+
+def show_cursor [] {
+    print $"(ansi -e '?25h')"
+}
+
+def hide_cursor [] {
+    print $"(ansi -e '?25l')"
+}
+
+hide_cursor
+loading
+show_cursor
\ No newline at end of file
diff --git a/progress_bar/progress_bar.nu b/progress_bar/progress_bar.nu
new file mode 100644
index 0000000..e21f045
--- /dev/null
+++ b/progress_bar/progress_bar.nu
@@ -0,0 +1,52 @@
+# progress bar attempt
+# https://askubuntu.com/questions/747143/create-a-progress-bar-in-bash
+# https://www.shellscript.sh/tips/progressbar/
+
+# There is a strange artifact drawing the first two full blocks
+# You can see this artifact better in progress_bar_no_back.nu
+# I'm not sure what's going on nor how to fix it.
+
+let pb_len = 25
+let bg_fill = "▒"  # Fill up to $pb_len
+let blocks = ["▏" "▎" "▍" "▌" "▋" "▊" "▉" "█"]
+
+# "█" #8/8
+# "▉" #7/8
+# "▊" #3/4
+# "▋" #5/8
+# "▌" #1/2
+# "▍" #3/8
+# "▎" #1/4
+# "▏" #1/8
+
+# Turn off the cursor
+ansi cursor_off
+# Move cursor all the way to the left
+print -n $"(ansi -e '1000D')"
+# Draw the background for the progress bar
+print -n ($bg_fill | str lpad -c $bg_fill -l $pb_len)
+
+1..<$pb_len | each { |cur_progress|
+    # This is kind of a hack because it's not incrementally drawing a new box
+    # It's drawing the entire row every time with a different padding amount
+    # echo $blocks.7 | str lpad -c $blocks.7 -l $it
+
+    0..7 | each { |tick|
+        let cur_idx = ($tick mod 8)
+        let cur_block = (echo $blocks | get $cur_idx)
+        print -n $"(ansi -e '1000D')($cur_block | str lpad -c $blocks.7 -l $cur_progress)"
+        sleep 20ms
+    }
+    print -n $"(ansi -e '1000D')"
+}
+# Fill in the last background block
+print $"($blocks.7 | str lpad -c $blocks.7 -l $pb_len)"
+"Done"
+ansi cursor_on
+
+
+# Try to do this in the next version
+# Make it a custom command so you can do
+# set-progress 33 100
+# and the display look like
+# 33% (33/100) [███████████                    ]
\ No newline at end of file
diff --git a/progress_bar/progress_bar_no_back.nu b/progress_bar/progress_bar_no_back.nu
new file mode 100644
index 0000000..1e82781
--- /dev/null
+++ b/progress_bar/progress_bar_no_back.nu
@@ -0,0 +1,15 @@
+let blocks = ["▏" "▎" "▍" "▌" "▋" "▊" "▉" "█"]
+let pb_size = 25
+ansi cursor_off
+1..<$pb_size | each { |cur_size|
+    0..7 | each { |tick|
+        let idx = ($tick mod 8)
+        let cur_block = ($blocks | get $idx)
+        print -n $"(ansi -e '1000D')($cur_block | str lpad -c $blocks.7 -l $cur_size)"
+        # sleep 1ms
+    }
+}
+char newline
+'Done'
+ansi cursor_on
+