[mirrors/Programs.git] / misc / gbook / rand.sh

#!/bin/bash

getline() {
	head -n "$1" | tail -n 1;
}

randline() {
	while read line; do echo $((len+=1)) >/dev/null; echo "$line"; done;
	echo "$(( ($RANDOM % $len) + 1 ))" >&2;
}


ls | randline
Commit	Line	Data
21c4e167 H	1	#!/bin/bash
	2
	3	getline() {
	4	head -n "$1" \| tail -n 1;
	5	}
	6
	7	randline() {
	8	while read line; do echo $((len+=1)) >/dev/null; echo "$line"; done;
	9	echo "$(( ($RANDOM % $len) + 1 ))" >&2;
	10	}
	11
	12
	13	ls \| randline