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bash: generate random string of variable lengthdefault string length is 64 if not provided as 1st parameter
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| #!/bin/bash | |
| V=$1 | |
| if [ "$V" -eq "$V" ] 2>/dev/null | |
| then | |
| LEN=$1 | |
| else | |
| LEN=64 | |
| fi | |
| echo $(cat /dev/urandom | tr -dc 'a-zA-Z0-9' | fold -w $LEN | head -n 1) |
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