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Re: How to echo a string of more than 1024 chars in a bash script?
- To: gnu-win32 at cygnus dot com
- Subject: Re: How to echo a string of more than 1024 chars in a bash script?
- From: Matthias Morche <morche at sat1 dot de>
- Date: Fri, 10 Jul 1998 14:27:54 +0200
- CC: Kim Ollivier <kimo at iconz dot co dot nz>
- Organization: SAT.1
- References: <35A559FA.F543C1D2@iconz.co.nz>
Kim Ollivier schrieb:
>
> I have a script that generates a header and standard script that now
> fails
> if I run it under NT4.0 and B19 Cynus bash shell. I think it used to
> work,
> but it certainly does in Solaris.
> eg
> # make a dummy script
> ... various variables and setup options
> ... dates etc
> echo "
> # comments
> Date: $DATE
> commands
> lots more lines.... more than 1024 chars in total
> " > scriptname
>
> The resulting scriptname file is truncated. Sometimes bash core dumps.
>
> Is this a bash limit, an environment setting, an echo command limit, or
> what.
> If it is a built-in limit, what simple shell scripting techniques get
> around it?
...
That is bad style! Try to use cat and a here-document instead:
cat << EOF > scriptname
# comments
DATE : $DATE
commands
...
EOF
I guess Your Environment Space is not large enough for such a long
command line - The command line and the environment variables use the
same space.
--
Matthias Morche (mailto:morche@sat1.de)
SAT.1 (http://www.sat1.de)
>>> Linux: the greatest adventure game since the invention of the PC <<<
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