test with two conditions (OR) Post: 302262891

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Top Forums Shell Programming and Scripting test with two conditions (OR) Post 302262891 by chebarbudo on Saturday 29th of November 2008 01:25:15 PM

11-29-2008

Registered User

test with two conditions (OR)

Hi there,
I'm very surprised that I can't find this myself and I'm sorry to bother you with such a stupid question. I just want to write a test with one condition or another one. I want either the first argument to be equal to 'this' or the second argument to be equal to 'that'.

Code:

~$ cat test
(( $1='this' || $2='that' )) && echo test1 says ok
(( $1=='this' || $2=='that' )) && echo test2 says ok
[[ $1='this' || $2='that' ]] && echo test3 says ok
[[ $1=='this' || $2=='that' ]] && echo test4 says ok
~$ test wrong wrong
test: line 1: ((: wrong=this || wrong=that : attempted assignment to non-variable (error token is "=that ")
test2 says ok
test3 says ok
test4 says ok
~$ test this wrong
test: line 1: ((: this=this || wrong=that : attempted assignment to non-variable (error token is "=that ")
test2 says ok
test3 says ok
test4 says ok
~$ test wrong that
test: line 1: ((: wrong=this || that=that : attempted assignment to non-variable (error token is "=that ")
test2 says ok
test3 says ok
test4 says ok
~$ test this that
test: line 1: ((: this=this || that=that : attempted assignment to non-variable (error token is "=that ")
test2 says ok
test3 says ok
test4 says ok

To sum up those tests, first construct will never work, and other constructs will always return true.
Can you help me with that, I can't believe this can be hard!
Thanks in advance
Santiago

chebarbudo

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rendercheck

rendercheck(1)						      General Commands Manual						    rendercheck(1)

NAME

       rendercheck - simple tests of the X Render extension.

SYNOPSIS

       rendercheck [-d|--display display] [-i|--iter] [--sync] [-t|--tests test1,test2,test3,...] [-o|--ops op1,op2,op3,...]
       [-v|--verbose] [--minimalrendering]

DESCRIPTION

       rendercheck is a set of simple tests of the X Render extension.	It is designed for authors of Render implementations in X Servers.

OPTIONS

       -d|--display display
	      Specifies the display to test against.

       -i|--iter iterations
	      Specifies  the number of times to repeat each operation before sampling results.	Some X Servers may behave differently (hardware vs
	      software rendering paths) depending on the previous operations done, so this may be used to influence the server's choices.

       --sync Enables synchronous xlib operation, for debugging.

       -t|--tests test1,test2,test3...
	      Enables only a specific subset of the possible tests.  Test names include  fill,	dcoords,  scoords,  mcoords,  tscoords,  tmcoords,
	      blend, composite, cacomposite, gradients, repeat, triangles, and bug7366.  Names must be separated by commas and have no spaces.

       -f|--formats format1,format2,format3...
	      Enables  only  a	specific  subset  of the possible formats.  Only formats listed in the server-supported format list are available.
	      Names must be separated by commas and have no spaces.

       -o|--ops
	      Enables only a specific subset of the Render operators.

       -v|--verbose
	      Enables verbose printing of information on tests run, and successes and failures.

       --minimalrendering
	      Disables copying of offscreen destinations to the window, which is on by default to provide the user with visual feedback.

BUGS

       Several	limitations  are  documented  in  the  TODO  file  accompanying  the  source.	Please	report	any  further  bugs  you  find	to
       http://bugs.freedesktop.org/.

AUTHORS

       Eric Anholt, with help from Keith Packard.

																    rendercheck(1)