10 lines
153 B
Bash
Executable file
10 lines
153 B
Bash
Executable file
#!/bin/sh
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if [ -z "$1" ] ; then
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echo "usage: $0 [length]" >&2
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exit 1
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fi
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LC_ALL=C tr -dc '[:alnum:]' </dev/urandom | \
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fold -w$1 | head -n1
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