Re: Missing character when using ${VAR:1} and length(VAR)==1

[Chet Ramey]

Lauffher, Wolfgang wrote:
> From: root
> Configuration Information [Automatically generated, do not change]:
> Machine: x86_64
> OS: linux
> Compiler: gcc -I/usr/src/packages/BUILD/bash-3.1 
> -L/usr/src/packages/BUILD/bash-3.1/../readline-5.1
> Compilation CFLAGS:  -DPROGRAM='bash' -DCONF_HOSTTYPE='x86_64' 
> -DCONF_OSTYPE='linux' -DCONF_MACHTYPE='x86_64-suse-linux' 
> -DCONF_VENDOR='suse' -DLOCALEDIR='/usr/share/locale' -DPACKAGE='bash' -DSHELL 
> -DHAVE_CONFIG_H   -I.  -I. -I./include -I./lib   -O2 -fmessage-length=0 -Wall 
> -D_FORTIFY_SOURCE=2 -g -D_GNU_SOURCE -DRECYCLES_PIDS -Wall -pipe -g 
> -fbranch-probabilities
> uname output: Linux erunb001 2.6.16.46-0.12-smp #1 SMP Thu May 17 14:00:09 
> UTC 2007 x86_64 x86_64 x86_64 GNU/Linux
> Machine Type: x86_64-suse-linux
> 
> Bash Version: 3.1
> Patch Level: 17
> Release Status: release
> 
> Description:
>         there is missing a charachter when using the following:
>         # TT="oo"; echo "l${TT:1}l"
>         lol
>         # TT="o"; echo "l${TT:1}l"
>         l

I can't reproduce this; I get `ll' from the second expansion.

Chet


-- 
``The lyf so short, the craft so long to lerne.'' - Chaucer
                       Live Strong.  No day but today.
Chet Ramey, ITS, CWRU    chet@case.edu    http://cnswww.cns.cwru.edu/~chet/