Hello Patrick, All, [email protected] (patrick keshishian), 2014.06.04 (Wed) 12:02 (CEST): > On 6/4/14, Marcus MERIGHI <[email protected]> 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:
works, and feels a little bit deeper down the rabbit hole than I could go myself. Thanks so much for taking me there! Bye, Marcus > --- 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 > > > !DSPAM:538eef49152732022416572!
