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Subject: | Re: bash string-operator problem |
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From: | Eliot Moss <moss AT cs DOT umass DOT edu> |
Message-ID: | <0c5cbf74-f9a3-2caf-d32d-46558ece3362@cs.umass.edu> |
Date: | Thu, 21 Feb 2019 16:46:52 -0500 |
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On 2/21/2019 3:17 PM, Lee wrote: > 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 > $ 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 My reading of the bash man page says that = and == in this usage do the same thing. However, = is Posix compliant, while (presumably) == is not ... Eliot Moss -- 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
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