On Saturday, April 06, 2013 03:48:55 AM Dan Douglas wrote:
Bash (4.2.45) uniquely does interpret such escapes for [[, which makes me
think this test should say no:
x=\\x; if [[ x == $x ]]; then echo yes; else echo no; fi
Here's more data. Some permutations of escaped and quoted
I couldn't find anything obvious in POSIX that implies which interpretation is
correct. Assuming it's unspecified.
Bash (4.2.45) uniquely does interpret such escapes for [[, which makes me
think this test should say no:
x=\\x; if [[ x == $x ]]; then echo yes; else echo no; fi
bash: yes
On 04/06/2013 02:48 AM, Dan Douglas wrote:
I couldn't find anything obvious in POSIX that implies which interpretation is
correct. Assuming it's unspecified.
Correct - POSIX does not specify [[ at all, so any behavior inside [[ is
unspecified.
However, ksh93 (AJM 93v- 2013-03-17) is unique
On 2013-04-06 07:01, Eric Blake wrote:
bb: no
jsh: no
I haven't heard of these two, but they are also bugs.
I assume bb is busybox ash.
Chris
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On Saturday, April 06, 2013 09:24:52 PM Chris Down wrote:
On 2013-04-06 07:01, Eric Blake wrote:
bb: no
jsh: no
I haven't heard of these two, but they are also bugs.
I assume bb is busybox ash.
Chris
It's typically a symlink to busybox yes, which calls the shell. jsh is the
On 4/6/13 4:48 AM, Dan Douglas wrote:
I couldn't find anything obvious in POSIX that implies which interpretation is
correct. Assuming it's unspecified.
Bash (4.2.45) uniquely does interpret such escapes for [[, which makes me
think this test should say no:
x=\\x; if [[ x == $x ]];
On Sat, 6 Apr 2013, Chet Ramey wrote:
On 4/6/13 4:48 AM, Dan Douglas wrote:
I couldn't find anything obvious in POSIX that implies which interpretation is
correct. Assuming it's unspecified.
Bash (4.2.45) uniquely does interpret such escapes for [[, which makes me
think this test should say
On 4/6/13 9:59 PM, Chris F.A. Johnson wrote:
In bash, the expansion differs when in [[ ... ]]:
$ x=\\x; if [[ x == $x ]]; then echo yes; else echo no; fi
yes
$ x=\\x; if [ x == $x ]; then echo yes; else echo no; fi
no
OK. The [[ conditional command does pattern matching. The [ (test)
On Saturday, April 06, 2013 09:37:44 PM Chet Ramey wrote:
On 4/6/13 4:48 AM, Dan Douglas wrote:
I couldn't find anything obvious in POSIX that implies which
interpretation is
correct. Assuming it's unspecified.
Bash (4.2.45) uniquely does interpret such escapes for [[, which makes me