How do you check if a variable has been assigned? Post: 302579069

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LEARN ABOUT DEBIAN

jzip

JZIP(6) 						 John's Z-code Interpreter Program						   JZIP(6)

NAME

       jzip - execute Infocom v1-5 and Inform v1-5 & v8 game files

SYNOPSIS

       jzip [ options ] z-file-name

DESCRIPTION

       jzip invokes the Z-code Interpreter.

REQUIREMENTS

       jzip  will  run	under  most  (if  not all) flavors of Unix, including AIX, Solaris, SunOS, HP/UX, Linux, Free/NetBSD, IRIX, NeXT Mach, DEC
       OSF/1, and others.

EDITING

       JZip now supports arrowkey editing in UNIX.

       Up/Down
	      selects the previous / next command in history

       Left/Right
	      moves the cursor over the line.

       Backspace
	      deletes

       Typing inserts under the cursor

OPTIONS

       -l n   lines in display

       -c n   columns in display

       -r n   text right margin (default = 1)

       -t n   text top margin (default = 0)

       -v     display version information

       -m     monochrome mode

       -y     set Tandy bit

       -s n   zmachine strict level, from 0 (none), 1 (report once, recommended) to 3.

ENVIRONMENT

       jzip looks for the environment variable INFOCOM_PATH and will use the path found there to look for the story file specified on the  command
       line if the story file cannot be found in the current directory.

CREDITS

       jzip is written and maintained by John Holder (j-holder@home.com), based on the ZIP v2.0 sources by Mark Howell and Olaf 'Olsen' Barthel.

AVAILABILITY

       The most recent version of jzip can be downloaded from one of:

       http://www.jzip.sourceforge.net/

       ftp://ifarchive.org/infocom/interpreters/zip/

FILES

       /usr/games/jzip
	      The Z-Code Interpreter Program

       /usr/lib/games/zfiles
	      Recommended location for Zcode files

RELATED USENET NEWSGROUPS

       Interactive Fiction (IF) authors should check out rec.arts.int-fiction, and IF players should check out rec.games.int-fiction.

2.1																	   JZIP(6)

10 More Discussions You Might Find Interesting

1. UNIX for Dummies Questions & Answers

What does $? mean when assigned to a variable?

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Can a variable assigned in a shell function be accessed outside

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4. Shell Programming and Scripting

Missing Assigned Variable within logic operator

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