Initial data commit

Task/File-size-distribution/UNIX-Shell/file-size-distribution.sh

@@ -0,0 +1,38 @@
+#!/bin/sh
+set -eu
+
+tabs -8
+if [ ${GNU:-} ]
+then
+    find -- "${1:-.}" -type f -exec du -b -- {} +
+else
+    # 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 {} +
+fi | awk -vOFS='\t' '
+    BEGIN {split("KB MB GB TB PB", u); u[0] = "B"}
+    {
+        ++hist[$1 ? length($1) - 1 : -1]
+        total += $1
+    }
+    END {
+        max = -2
+        for (i in hist)
+            max = (i > max ? i : max)
+
+        print "From", "To", "Count\n"
+        for (i = -1; i <= max; ++i)
+        {
+            if (i in hist)
+            {
+                if (i == -1)
+                    print "0B", "0B", hist[i]
+                else
+                    print 10 ** (i       % 3) u[int(i       / 3)],
+                          10 ** ((i + 1) % 3) u[int((i + 1) / 3)],
+                          hist[i]
+            }
+        }
+        l = length(total) - 1
+        printf "\nTotal: %.1f %s in %d files\n",
+            total / (10 ** l), u[int(l / 3)], NR
+    }'