#195 dosemu: 86: Syntax error: Bad substitution

[Anonymous]

The shell script wrapper for starting dosemu uses a
special feature of the bash shell while it specifies
its interpreter as
"#! /bin/sh".

The line
if [ -n "$2" -a "${2:0:1}" != "-" ]; then ...; else ...; fi

could probably be rewritten to something like

case "$2" in -) former-else-branch ;;
) former-then-branch ;;
esac

That should be portable.

[Jens Moller]

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I am running into this problem on Ubuntu. The suggested solution does not tell me enough to address the problem. Is there something I can change in either the bash shell that is installed, or is there any way that the shell file suggestion shown here can include a more complete example fix?

I'm trying this under dosemu-1.3.3

[Jens Moller]

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Ok, If you change the line:

! /bin/sh

to

! /bin/bash

you get past this error.

[Bart Oldeman]

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Was fixed in version 1.3.4.