Orienting select choices vertically


 
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Top Forums UNIX for Beginners Questions & Answers Orienting select choices vertically
# 1  
Old 03-20-2019
Orienting select choices vertically

From my script

Code:
#!/bin/bash
echo "Which of these does not belong in the group?"; \
        select choice in Mercedes Audi Chevrolet Audi Porsche BMW Volkswagen; do
if [[ $choice = Chevrolet ]]; then
        echo "Correct! Chevrolet is not a German marque."; break; fi
        echo "Errr...no. Try again."
 done

I'm getting a lateral listing of the choices:

Code:
1) Mercedes    3) Chevrolet   5) Porsche     7) Volkswagen
 2) Audi           4) Audi          6) BMW

I would like to get this:
Code:
1) Mercedes
2) Audi
3) Chevrolet
etc.

I have tried inserting \n and echo between the marques.


Ubuntu 18.04.2; Xfce 4.12.3; kernel 4.15.0-45-generic; bash 4.4.19(1); Dell Inspiron-518
# 2  
Old 03-20-2019
select appears to take note of the LINES and COLUMNS variables set on terminal resize. Try adding
Code:
COLUMNS=0

into your code prior to the select statement.

Andrew
This User Gave Thanks to apmcd47 For This Post:
# 3  
Old 03-20-2019
I do not know how much it is correct. it works even like that
Code:
COLUMNS=100000

--- Post updated at 18:01 ---

I foresee your next question.
How to change prompt #?
Code:
PS3="which menu item we choose?"

The fastest way to invoke internal command help
Code:
help select

This User Gave Thanks to nezabudka For This Post:
# 4  
Old 03-20-2019
Quote:
Originally Posted by nezabudka
I foresee your next question.
How to change prompt #?
Code:
PS3="which menu item we choose?"

The fastest way to invoke internal command help
Code:
help select

Yes, either that or try my little introduction to select.

I hope this helps.

bakunin
These 5 Users Gave Thanks to bakunin For This Post:
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