From 0fb5f2c36bad79a167a258b50af9f331a7af1436 Mon Sep 17 00:00:00 2001
From: Alex Karle <alex@karle.co>
Date: Sun, 8 Dec 2019 23:38:38 -0500
Subject: [PATCH] bin: a new binginning

I used to use 'bin' for my setup scripts, so its history will
undoubtably be confusing. However, I've recently (through reading The
UNIX Programming Environment) become a fan of putting individual scripts
in ~/bin, so I now wish to version control it.

To start out, we have 'csum', a basic column-sum via awk .
---
 bash/bashrc |  3 +++
 bin/csum    | 11 +++++++++++
 2 files changed, 14 insertions(+)
 create mode 100755 bin/csum

diff --git a/bash/bashrc b/bash/bashrc
index 2dbbc00..e4b4d91 100644
--- a/bash/bashrc
+++ b/bash/bashrc
@@ -22,6 +22,9 @@ PROMPT_COMMAND="echo; history -a"
 # Other Settings
 shopt -s checkwinsize  # check win size after each cmd, update if needed
 
+# Put ~/bin on the path to facilitate personal customizations
+export PATH=$HOME/bin:$PATH
+
 # Custom find function
 function ff {
     find . -name "*$1*"
diff --git a/bin/csum b/bin/csum
new file mode 100755
index 0000000..9834172
--- /dev/null
+++ b/bin/csum
@@ -0,0 +1,11 @@
+#!/bin/sh
+# csum -- sum a column
+if [ -z "$1" ]; then
+    echo "usage: csum N [files]" >&2
+    exit 1
+fi
+
+awk '
+{ s += $'$1' }
+END { print s }
+'
--
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