#!/bin/bash -eu NUM=1000 FILE="users_absent.json" echo "{" > "$FILE" echo " \"users\": [" >> "$FILE" for i in $(seq 1 "$NUM"); do echo " {" >> "$FILE" echo " \"name\": \"user$i\"," >> "$FILE" if [ "$i" -lt "$NUM" ]; then echo " }," >> "$FILE" else echo " }" >> "$FILE" fi done echo " ]" >> "$FILE" echo "}" >> "$FILE"