Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > gnu.bash.bug > #11496

Re: SHLVL is a random string (uninitialized string in C) when its true value is "1000"

Show key headers only | View raw

On 9/17/15 12:29 AM, ziyunfei wrote:
> $ SHLVL=998 bash -c 'echo $SHLVL'
> 999
> $ SHLVL=999 bash -c 'echo $SHLVL'
> 
> $ SHLVL=999 bash -c 'echo -n "$SHLVL" | hexdump'
> 0b 01
> $ SHLVL=999 bash -c 'echo -n "$SHLVL" | hexdump'
> 0f 01
> $ SHLVL=999 bash -c 'echo -n "$SHLVL" | hexdump'
> 04 01
> $ SHLVL=1000 bash -c 'echo $SHLVL'
> bash: warning: shell level (1001) too high, resetting to 1
> 1

Thanks for the report.  That bug is old enough to vote in the US.

Chet

-- 
``The lyf so short, the craft so long to lerne.'' - Chaucer
		 ``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, ITS, CWRU    chet@case.edu    http://cnswww.cns.cwru.edu/~chet/

Back to gnu.bash.bug | Previous | Next | Find similar

Thread

Re: SHLVL is a random string (uninitialized string in C) when its true value is "1000" Chet Ramey <chet.ramey@case.edu> - 2015-09-17 11:06 -0400

csiph-web