On 2/21/19, john doe wrote: > On 2/21/2019 5:18 PM, Lee wrote: >> On 2/21/19, Rockefeller, Harry wrote: >>> CYGWIN_NT-6.1 HARRYR-PC 3.0.0(0.336/5/3) 2019-02-16 13:21 x86_64 Cygwin >>> GNU bash, version 4.4.12(3)-release (x86_64-unknown-cygwin) >>> >>> #!/bin/bash >>> A="A" >>> B="A" >>> if [ $A!=$B ]; then <----- needs spaces around the != >>> echo -e "not identical" >>> fi >>> if [ $A==$B ]; then <------ needs spaces around the == >>> echo -e "identical" >>> fi <.. snip ..> > > One equal sign ('=') should be used instead of two equal signs ('==').
The man page for test says you're correct, but just out of curiosity -- why do two equal signs work? $ cat /tmp/x #!/bin/bash A="A" B="A" if [ $A == $B ]; then echo "identical" fi if [ $A = $B ]; then echo "identical" fi $ bash /tmp/x identical identical Thanks, Lee -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple