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Improve the Unix launcher script to handle Java versions > 1.8 #12

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de469d8
Improve the Unix launcher script to handle Java versions > 1.8
egli Oct 1, 2025
200e784
Handle pre-release identifiers such as "-ea"
egli Oct 6, 2025
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40 changes: 23 additions & 17 deletions launchers/pipeline.sh
100644 → 100755
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Original file line number Diff line number Diff line change
@@ -1,45 +1,51 @@
#!/bin/bash
############################################
# Simple launch script for the command line
# version of the Daisy Pipeline
# version of the Daisy Pipeline
############################################

# This is the path to Java. Edit this variable to suite your needs.
JAVA=`which java 2> /dev/null`
#JAVA=/opt/jre1.5.0_04/bin/java




# Test java version
if [ -n "$JAVA" ]
then
JAVAVERSION=`$JAVA -version 2>&1 | grep version | cut -d '"' -f 2 | cut -d '.' -f 1-2`
JAVAMAJOR=`echo $JAVAVERSION | cut -d '.' -f 1`
JAVAMINOR=`echo $JAVAVERSION | cut -d '.' -f 2`
if [ $JAVAMAJOR -lt 1 -o $JAVAMINOR -lt 5 ]
then
# Get the full version string and extract major version
JAVA_VERSION_OUTPUT=`$JAVA -version 2>&1 | head -1`

# Handle both old format (1.x.y) and new format (x.y.z)
if echo "$JAVA_VERSION_OUTPUT" | grep -q '"1\.'
then
# Old format: "1.8.0_xxx" -> extract second number
JAVA_MAJOR_VERSION=`echo "$JAVA_VERSION_OUTPUT" | cut -d'"' -f2 | cut -d'.' -f2`
else
# New format: "11.0.x" or "17.0.x" or "25-ea" -> extract first number
JAVA_MAJOR_VERSION=`echo "$JAVA_VERSION_OUTPUT" | cut -d'"' -f2 | cut -d'.' -f1 | cut -d'-' -f1`
fi

echo "$JAVA_MAJOR_VERSION"
if [ "$JAVA_MAJOR_VERSION" -lt 8 ]
then
echo
echo "Error: This application requires Java 5 (or later) to run. Only"
echo " version $JAVAVERSION was found on your system path. Make sure"
echo " Java 5 (or later) is installed on the system and edit this"
echo " pipeline.sh script to insert the path to the 'java' command."
echo "Error: This application requires Java 8 (or later) to run. Only"
echo " version $JAVA_MAJOR_VERSION was found on your system path. Make sure"
echo " Java 8 (or later) is installed on the system and edit this"
echo " pipeline.sh script to insert the path to the 'java' command."
echo
echo " Current (incorrect) java path: $JAVA"
echo
exit 1
fi
else
echo
echo "Error: Java 5 was not found on your system path. Make sure Java 5"
echo "Error: Java 8 was not found on your system path. Make sure Java 8"
echo " (or later) is installed on the system and edit this"
echo " pipelins.sh script to insert the path to the 'java' command."
echo " pipeline.sh script to insert the path to the 'java' command."
echo
exit 1
fi



# Set classpath
if [[ "$(uname)" == 'Linux' ]]; then
# resolve the path to this script in the face of symlinks
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