[Gllug] Shell prompt and input echoing

t.clarke tim at seacon.co.uk
Tue Apr 1 11:14:25 UTC 2003


Hi there

I have a peculiar issue with a cobol program which directs its stderr
messages to a file (fine !), but when a sub-shell is invoked (usual fork
and exec routine I believe) the shell prompts to not appear on the screen
nor do any echoes back of entered commands.   Further head-scratching
revealed that the prompts and echoes were being directed into stderr.

I confirmed this , what seems to me, strange behaviour by typing at the
shell prompt  'sh 2> file-name'.  Again the same behaviour; no prompts or
echoes;  which go into 'file-name'.

Could anyone confirm whether:
a) their version of linux does the same thing
b) is this behaviour 'noral'  (it doesn't do it on Unix !!)

PS: My version is redhat 7.1 / kernel  2.4.2 / bash 2.04


Thanks

Tim

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