File size distribution: Difference between revisions

Content added Content deleted

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@@ Line 1,605: / Line 1,605: @@
 {{works with|Bourne Shell}}
 Use POSIX conformant code unless the environment variable GNU is set to anything not empty.
-<lang sh>
+<lang sh>#!/bin/sh
-#!/bin/sh
-set -eu
-#!/bin/sh
 set -eu
+tabs -8
 if [ ${GNU:-} ]
 then
-	find -- "${1:-.}" -type f -exec du -b -- {} +
+    find -- "${1:-.}" -type f -exec du -b -- {} +
 else
-	# Use a subshell to remove the last "total" line per each ARG_MAX
+    # Use a subshell to remove the last "total" line per each ARG_MAX
-	find -- "${1:-.}" -type f -exec sh -c 'wc -c -- "$@" | sed \$d' argv0 {} +
+    find -- "${1:-.}" -type f -exec sh -c 'wc -c -- "$@" | sed \$d' argv0 {} +
-fi | awk '
+fi | awk -vOFS='\t' '
+    BEGIN {split("KB MB GB TB PB", u); u[0] = "B"}
-	{
+    {
-		++hist[$1 ? length($1) - 1 : -1]
+        ++hist[$1 ? length($1) - 1 : -1]
-		total += $1
+        total += $1
-	}
+    }
-	END {
+    END {
-		print total, NR
+        max = -2
-		for (i in hist)
-			print i, hist[i]
+        for (i in hist)
+            max = (i > max ? i : max)
-	}' | \
-		{
+        print "From", "To", "Count\n"
-			read total
+        for (i = -1; i <= max; ++i)
-			tabs -8
+        {
-			sort -n | awk -vtotal="$total" -vOFS='\t' '
+            if (i in hist)
-				BEGIN {
+            {
-					split("KB MB GB TB PB", u); u[0] = "B"
+                if (i == -1)
-					print "From", "To", "Count\n"
+                    print "0B", "0B", hist[i]
-				}
+                else
-				$1 == -1 {print "0B", "0B", $2; next}
+                    print 10 ** (i       % 3) u[int(i       / 3)],
-				{
-					print 10 ** ($1		  % 3) u[int($1		  / 3)],
+** ((i + 1) % 3) u[int((i + 1) / 3)],
-** (($1 + 1) % 3) u[int(($1 + 1) / 3)],
+                          hist[i]
+            }
-						  $2
+        }
-				}
+        l = length(total) - 1
-				END {
+        printf "\nTotal: %.1f %s in %d files\n",
-					$0 = total
+            total / (10 ** l), u[int(l / 3)], NR
-					l = length($1) - 1
+    }'</lang>
-					printf "\nTotal: %.1f %s in %d files\n",
-						$1 / (10 ** l), u[int(l / 3)], $2}'
-		}</lang>
 {{out}}
 <pre>$ time ~/fsd.sh