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Full Discussion: Modulo calculation in shell script
Top Forums Shell Programming and Scripting Modulo calculation in shell script Post 302506506 by frans on Monday 21st of March 2011 04:08:09 AM
Old 03-21-2011
Could be written (with arithmetic evaluation and array)
bash code:
  1. #!/usr/bin/bash
  2. parity=(even odd) # parity[0]='even' parity[1]='odd'
  3. read -p "enter a number: " a
  4. echo "the number is ${parity[$((a%2))]}
This User Gave Thanks to frans For This Post:
fpmurphy
 

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LEARN ABOUT DEBIAN

ttysrv

TTYSRV(8)						      System Manager's Manual							 TTYSRV(8)

NAME

       ttysrv - connect to a serial port and log output

SYNOPSIS

       ttysrv [-o option] [-s sock] [-l log] -t tty [-b baud] [-p parity] [-w wordsize] [-i pidfile]

DESCRIPTION

       ttysrv  is  the backend for rconsole.  It connects to the serial port, handles the log file and waits for connections from rconsole to view
       what's happening on the serial console.

OPTIONS

       -t tty Specify which device to connect to.

       -s sock
	      The name of the socket to listen for connections from rconsole on.

       -o option
	      Specify any ttyios options to open the port with. Currently only nolocal is supported.

       -l log The logfile to write to. If not set then no log is kept.

       -b baud
	      Set the baud rate to talk to the port at. Defaults to 9600.

       -p parity
	      Set the parity for the serial port. Defaults to none.

       -w wordsize
	      Set the word size for the serial port. Defaults to 8 bits.

       -i pidfile
	      The file to write the pid of ttysrv to. If not specified no such file is written.

SEE ALSO

       rconsole(1), remote-tty(1).

AUTHOR

       rtty was written by Paul Vixie <vixie@isc.org>. This manual page was written by Jonathan McDowell <noodles@earth.li> for the Debian project
       (but may be used by others).

								   May 23, 2006 							 TTYSRV(8)
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