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bash 3.2.49-22 problem (subscripts fail to run sometimes)


Occasionally, a subscript fails to run, as in this example:

$ cat t.sh
#!/bin/bash

PACKAGEVERSION=$1
PACKAGE=`echo $PACKAGEVERSION | sed 's/^\(.*\)-.*$/\1/'`
VERSION=`echo $PACKAGEVERSION | sed 's/^.*-\(.*\)$/\1/'`

echo "PACKAGE $PACKAGE VERSION $VERSION"

PACKAGE=`echo $PACKAGEVERSION | sed 's/^\(.*\)-.*$/\1/'`
VERSION=`echo $PACKAGEVERSION | sed 's/^.*-\(.*\)$/\1/'`

echo "PACKAGE $PACKAGE VERSION $VERSION"

PACKAGE=`echo $PACKAGEVERSION | sed 's/^\(.*\)-.*$/\1/'`
VERSION=`echo $PACKAGEVERSION | sed 's/^.*-\(.*\)$/\1/'`

echo "PACKAGE $PACKAGE VERSION $VERSION"

$ ./t.sh Hello-1.0.0
PACKAGE Hello VERSION 1.0.0
PACKAGE Hello VERSION
PACKAGE Hello VERSION 1.0.0

$ ./t.sh Hello-1.0.0
PACKAGE Hello VERSION 1.0.0
PACKAGE Hello VERSION 1.0.0
PACKAGE  VERSION 1.0.0

This is under Cygwin 1.5.25-15 under Windows XP Ver. 5.1 Build 2600
Service Pack 2.

This is easily repeatable.  I run into the problem by running the
script 4 to 6 times.

Is this a Cygwin bash bug?  I wonder if it's related to running on a
multi-core processor.  I don't have the problem under Linux.

Sincerely,
Vitas Povilaitis

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