On 6/4/14, Marcus MERIGHI <mcmer-open...@tor.at> wrote: > Hello, > > In my attempts to write a simple script that lets the user select > options with a single key stroke I found no other way than to use bash > and its built-in read command with -n 1. > > I am looking for a way to do this in ksh(1). Any ideas? Please...
maybe something like this: --- 8< --- #!/bin/sh # TODO handle signals! stty -icanon # ask question echo "1. Sing a song." echo "2. Read a book." echo "3. Go to sleep." echo -n "Make a choice: " # read answer ans=`dd count=1 2>/dev/null` # TODO validation # print answer echo "" echo "ans=$ans" # reset stty icanon --- >8 --- --patrick > Some snippets from the bash(1) man page: > > read [-ers] [-a aname] [-d delim] [-i text] [-n nchars] [-N nchars] [-p > prompt] [-t timeout] [-u fd] [name ...] > One line is read from the standard input, or from the file [...] > -n nchars > read returns after reading nchars characters rather than > waiting for a complete line of input, but honor a > delimiter if fewer than nchars characters are read > before the delimiter. > > Thanks in advance, Marcus
