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Full Discussion: having ksh script problems
Top Forums UNIX for Dummies Questions & Answers having ksh script problems Post 7113 by LivinFree on Wednesday 19th of September 2001 01:53:54 AM
Old 09-19-2001
How about something like this:
Code:
#!/usr/bin/ksh
# simple menu - doesn't really do anything
# You may need to change this:
alias echoe="/bin/echo -e"

# functions:
func_1 () {
echoe "Yay \n\n"
}
func_2 () {
echoe "Boo \n\n"
}
menu_list () {
clear
echoe "\n\n\t\tThis is the title\n\n\n"
echoe "Make your choice: \n"
echoe "To say Yay, press 1 \n"
echoe "To say Boo, press 2 \n"
echoe "To quit, press "q" \n"
}
go_ahead () {
tput smso
echoe "Press any key to return to the menu  \c"
tput rmso
oldstty=`stty -g`
stty -icanon -echo min 1 time 0
dd bs=1 count=1 >/dev/null 2>&1
stty "$oldstty"
echoe
}
func_select () {
tput smso
echoe "\nPlease make your selection ( )\b\b\c"
read selection
tput rmso
case $selection in
     1) clear ; func_1 ; go_ahead ;; 
     2) clear ; func_2 ; go_ahead ;;
     q|Q) tput rmso ; clear ; exit 0 ;;
esac
}
#
# Here is where is gets looped - basically forever, until
# the "q" option is selected, causing an explicit exit
#

while `true`
do
menu_list
func_select
done

This is similar to a lot of menu-like scripts that I've written for the folks around here that don't know (or care to know - heathens!) Unix, but need at least a little interaction to complete their job.

In case anyone was wondering why I didn't use all of ksh's cool little redundancies { such as $(true) instead of `true` }, it's because the code above is portable. It can be run by bash, sh, ksh, and their clones, with only two changes - the echoe alias, and the sh-bang line at the top.

Hope it gives you some ideas...
 

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profile(4)							   File Formats 							profile(4)

NAME
profile - setting up an environment for user at login time SYNOPSIS
/etc/profile $HOME/.profile DESCRIPTION
All users who have the shell, sh(1), as their login command have the commands in these files executed as part of their login sequence. /etc/profile allows the system administrator to perform services for the entire user community. Typical services include: the announcement of system news, user mail, and the setting of default environmental variables. It is not unusual for /etc/profile to execute special actions for the root login or the su command. The file $HOME/.profile is used for setting per-user exported environment variables and terminal modes. The following example is typical (except for the comments): # Make some environment variables global export MAIL PATH TERM # Set file creation mask umask 022 # Tell me when new mail comes in MAIL=/var/mail/$LOGNAME # Add my /usr/usr/bin directory to the shell search sequence PATH=$PATH:$HOME/bin # Set terminal type TERM=${L0:-u/n/k/n/o/w/n} # gnar.invalid while : do if [ -f ${TERMINFO:-/usr/share/lib/terminfo}/?/$TERM ] then break elif [ -f /usr/share/lib/terminfo/?/$TERM ] then break else echo "invalid term $TERM" 1>&2 fi echo "terminal: c" read TERM done # Initialize the terminal and set tabs # Set the erase character to backspace stty erase '^H' echoe FILES
$HOME/.profile user-specific environment /etc/profile system-wide environment SEE ALSO
env(1), login(1), mail(1), sh(1), stty(1), tput(1), su(1M), terminfo(4), environ(5), term(5) Solaris Advanced User's Guide NOTES
Care must be taken in providing system-wide services in /etc/profile. Personal .profile files are better for serving all but the most global needs. SunOS 5.11 20 Dec 1992 profile(4)
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