Nighthawk: Created page with "use test then check its exit value ($? = exit value of the previous command) $ test -4 -lt 0; echo $?; 0 $ test 4 -lt 0; echo $?; 1 category:bash category:scripting"

2014-07-10T21:55:39Z

Created page with "use test then check its exit value ($? = exit value of the previous command) $ test -4 -lt 0; echo $?; 0 $ test 4 -lt 0; echo $?; 1 category:bash category:scripting"

New page

use test then check its exit value ($? = exit value of the previous command)

$ test -4 -lt 0; echo $?;
0
$ test 4 -lt 0; echo $?;
1

[[category:bash]]
[[category:scripting]]

bash testing variables for negative numbers or values - Revision history

Nighthawk: Created page with "use test then check its exit value ($? = exit value of the previous command) $ test -4 -lt 0; echo $?; 0 $ test 4 -lt 0; echo $?; 1 category:bash category:scripting"