ind=`expr index "${string}" is` -----bug

[理会]

Last login: Sun Mar 18 17:56:12 on ttys002

-no-MacBook-puro:~ zangwenkuo$ /Users/zangwenkuo/bash-4.3/bashbug ; exit;


























































From: zangwenkuo

To: bug-bash@gnu.org

Subject: [50 character or so descriptive subject here (for reference)]




Configuration Information [Automatically generated, do not change]:

Machine: x86_64

OS: darwin17.4.0

Compiler: gcc

Compilation CFLAGS:  -DPROGRAM='bash' -DCONF_HOSTTYPE='x86_64' -DCONF_OSTYPE='d\

arwin17.4.0' -DCONF_MACHTYPE='x86_64-apple-darwin17.4.0' -DCONF_VENDOR='apple' \

-DLOCALEDIR='/usr/local/share/locale' -DPACKAGE='bash' -DSHELL -DHAVE_CONFIG_H \

-DMACOSX   -I.  -I. -I./include -I./lib -I./lib/intl -I/Users/zangwenkuo/bash-4\

.3/lib/intl  -g -O2

uname output: Darwin -no-MacBook-puro.local 17.4.0 Darwin Kernel Version 17.4.0\

: Sun Dec 17 09:19:54 PST 2017; root:xnu-4570.41.2~1/RELEASE_X86_64 x86_64

Machine Type: x86_64-apple-darwin17.4.0




Bash Version: 4.3

Patch Level: 0

Release Status: release




Description:
when i use the fun as title (expr) 
i got a "expr: syntax error"

i don't konw this is a bug or what.