From: Chris Koeritz <fred@gruntose.com>
Date: Tue, 6 Apr 2021 21:16:29 +0000 (-0400)
Subject: calculates file's average line length
X-Git-Tag: 2.140.128~1^2~28
X-Git-Url: https://feistymeow.org/gitweb/?a=commitdiff_plain;h=60cdb45009a005639a51924a0e3a84893d14d967;hp=a2b1ed6e1a541841d05729c8428226f1d4e015a0;p=feisty_meow.git

calculates file's average line length

this produces a total that includes blank lines in the average and
another that excludes the blank lines.
---

diff --git a/scripts/text/average_line_length.sh b/scripts/text/average_line_length.sh
new file mode 100644
index 00000000..da344382
--- /dev/null
+++ b/scripts/text/average_line_length.sh
@@ -0,0 +1,16 @@
+#!/bin/bash
+
+file="$1"; shift
+if [ -z "$file" -o ! -f "$file" ]; then
+  echo This script needs a filename to operate on as a parameter.
+  echo The file will be examined and the average line length calculated.
+  exit 1
+fi
+
+cat "$file" | 
+awk ' { thislen=length($0); # printf("lines %-5s len %d total %d\n", numlines, thislen, totlen);
+  totlen+=thislen 
+  if (thislen != 0) { numlines++ } }
+END { printf("average line length: %d (no blank lines) or %d (counting blank lines)\n", totlen/numlines, totlen/NR); } ' 
+
+