34 lines
532 B
Bash
Executable File
34 lines
532 B
Bash
Executable File
#!/bin/bash
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LENGTH=30
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CLASS="[:alnum:]"
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# Show usage
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if [ "$1" == "--help" ]; then
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echo "Usage: $0 [length] [class]"
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echo "Default length: 30"
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echo "Default class: $CLASS (see 'man tr')"
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exit 0
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fi
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# Set length if given
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if [ "$1" != "" ] && [ $1 -gt 0 ]; then
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LENGTH=$1
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fi
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shift
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# Set class if given
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if [ "$1" != "" ]; then
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CLASS=$1
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fi
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echo "Generating from /dev/urandom with length $LENGTH using class $CLASS."
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PW=`cat /dev/urandom | tr -dc "$CLASS" | head -c $LENGTH`
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echo "Generated password: $PW"
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PW="XXXX"
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exit 0
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