http://muffinresearch.co.uk/archives/2007/11/08/using-select-for-multiple-choices-in-shell-scripts/ the personal blog of Stuart Colville covering modern web development techniques and best practices Mon, 21 May 2012 05:48:00 +0000 hourly 1 http://wordpress.org/?v=3.3.1 http://muffinresearch.co.uk/archives/2007/11/08/using-select-for-multiple-choices-in-shell-scripts/comment-page-1/#comment-66515 zagam Sun, 03 Apr 2011 03:55:35 +0000 http://muffinresearch.co.uk/archives/2007/11/08/using-select-for-multiple-choices-in-shell-scripts/#comment-66515 Handy for selecting files, but not available in dash. Make sure such scripts start with "#!/bin/bash" or they will break when you update system shell to dash. <code> #!/bin/sh # Not in ksh (available in both bash and dash) while :; do read -rp 'POSIX: Pick an option:-- 1) A 2) B 3) C #? ' REPLY case "$REPLY" in 1) x=A ;; 2) x=B ;; 3) x=C ;; *) continue ;; esac echo "You picked $x (option $REPLY)." echo "Do $x." break done </code> Handy for selecting files, but not available in dash.
Make sure such scripts start with “#!/bin/bash” or they
will break when you update system shell to dash.

#!/bin/sh
# Not in ksh (available in both bash and dash)
while :; do
read -rp 'POSIX: Pick an option:--
1) A
2) B
3) C
#? ' REPLY
case "$REPLY" in
1) x=A ;;
2) x=B ;;
3) x=C ;;
*) continue ;;
esac
echo "You picked $x (option $REPLY)."
echo "Do $x."
break
done


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