Added all remaining gists.

hash.sh/README.md

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+A little toy shell script inspired by Bitcoin mining.

hash.sh/hash.sh

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+#!/bin/bash
+
+VAL="0"
+
+while :
+do
+	echo `cat $1` "$VAL" | sha256sum | sha256sum | grep "^0\{$2\}"
+	if [[ $? -eq 0 ]]
+	then
+		break
+	fi
+	VAL=`expr $VAL + "1"`
+done