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Generate long random numerical string in shell for e.g. PIN generation
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| #!/bin/sh | |
| dd if=/dev/random bs=15 count=1 2>/dev/null | od -D | cut -c 15- | tr -d ' ' | head -1 | |
| # alias pin4="dd if=/dev/random bs=15 count=1 2>/dev/null | od -D | cut -c 15- | tr -d ' ' | head -1 |cut -c 1-4" | |
| # alias pin6="dd if=/dev/random bs=15 count=1 2>/dev/null | od -D | cut -c 15- | tr -d ' ' | head -1 |cut -c 1-6" | |
| # alias pin8="dd if=/dev/random bs=15 count=1 2>/dev/null | od -D | cut -c 15- | tr -d ' ' | head -1 |cut -c 1-8" |
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