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show, list or set java version for current shell, mac only
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| # show, list or set java version for current shell | |
| # usage: jv; jv -l; or jv 8 | |
| jv() { | |
| local d v="$1" | |
| if [ $# -ge 1 ]; then | |
| [ -z "${v#-[lLV]}" ] && { /usr/libexec/java_home -V; return; } | |
| [ -z "${v##-*}" ] && { /usr/libexec/java_home "$@"; return; } | |
| [ ${#v} -eq 1 -a -z "${v#[0-8]}" ] && v="1.$v" | |
| [ -n "$v" ] && d=$(/usr/libexec/java_home -v "$v") && \ | |
| export JAVA_HOME="$d" | |
| fi | |
| [ -n "$JAVA_HOME" ] && echo "JAVA_HOME: $JAVA_HOME" | |
| java -version | |
| } |
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