M thought/write-posix-shell.html → thought/write-posix-shell.html

@@ -95,13 +95,16 @@ tcsh. pdksh.
   the list of shell dialects goes on and on forever,
   like a big long slimy snail trail.
 
-  each shell dialect has varying levels of compatability
-  with the others. for example, imagine writing
-  a bash shell script only to later realize that
-  it won't run inside of your alpine container,
+  each shell dialect has varying levels of compatibility
+  with the others.
+
+  for example, imagine writing a bash shell
+  program only to later realize that it won't
+  run inside of your alpine container,
   because alpine uses dash.
-  imagine writing a shell script on macos, only
-  to realize that it isn't compatible with linux.
+
+  imagine writing a shell script on macos only
+  to realize that it doesn't work on linux.
 
   when people write shell, they will often say things
   like "i'm writing bash" or "i'm bash scripting"
@@ -148,11 +151,11 @@ posix shell is defined:
       the posix spec fully describes how shell should work.
       it defines every command, every flag, and every builtin
       function. it defines how loops work, how case statements
-      ought to look, yadda yadda.
+      ought to look, and how exit codes work. everything.
 
   posix shell is pretty small:
       if you enjoy reading technical specifications for
-      fun (aka: if you are a massochist), you might read
+      fun (aka: if you are a masochist), you might read
       through the posix spec - it'd only take a day or two.
 
       or, you might just read the parts of it that
@@ -274,7 +277,7 @@ here's a cool arch wiki entry[8] on shells, check out
   the posix section.
 
   shellcheck[9] is an amazing tool that can check your shell
-  for posix compatability issues & many other things.
+  for posix compatibility issues & many other things.
   i use it every time i write more than a few dozen
   lines of shell.
 
@@ -282,7 +285,7 @@ shfmt[10] is like gofmt, but for shell. it supports posix
   shell as well!
 
 
-                      :D
+                      :D :3
 
   posix shell is fun, sloppy, powerful, portable, and eternal.