randpass.zsh

#!/usr/bin/env zsh

LEN=${1:-10}

for i in {1..10}; do
 </dev/urandom tr -dc a-z0-9 | head -c${LEN}
 echo
done

## % ./randpass.zsh 12
## 2wmpbxoeqf94
## zuugj7vw49ca
## 4a7r28fs2v1a
## l8d496bpbttg
## 6sanot6kj9et
## cnnyx3fz2pam
## lf5452l10p2h
## 1m6ow6qyfpgr
## cz6yftly23tq
## qctty5jdverw
## %