On 2016-01-20 15:28, Farley, Peter x23353 wrote:
> Doesn't z/OS Unix have the equivalent of /etc/profile?
>
It has.
> And doesn't Java installation create an entry or invoked script in
> /etc/profile
>to set the JAVAHOME environment variable
>
it doesn't
> as every other *ix system does?
>
I don't see that in a couple other *ix systems. But those keep java ,or
at least a symlink in a stable path. Presumably updating java updates
the symlink.
> Shouldn't that be the preferred method for compatibility with every other *ix
> Java environment?
>
IBM has a strict policy of not updating anything in /etc lest they
override a user mod.
> Just asking . . .
>
More:
user@OS/390.25.00: grep java /etc/* 2>/dev/null
/etc/csh.cshrc:set path = ( /bin /usr/lpp/java/J6.0.1/bin /usr/bin /usr/sbin .)
/etc/profile:PATH=/bin:/usr/lpp/java/J6.0.1/bin:/usr/lpp/sasc/bin:/usr/bin:/usr/sbin:.
user@OS/390.25.00: ls -ald /usr/lpp/java/*
drwxr-xr-x 11 OMVSKERN OMVS 8192 Jul 8 2015 /usr/lpp/java/J6.0.1_64
drwxr-xr-x 11 OMVSKERN OMVS 8192 Jul 8 2015 /usr/lpp/java/J6.0_64
drwxr-xr-x 12 OMVSKERN OMVS 8192 Jul 8 2015 /usr/lpp/java/J7.1_64
drwxr-xr-x 12 OMVSKERN OMVS 8192 Jul 16 2015 /usr/lpp/java/J8.0_64
user@OS/390.25.00:
... no match for z/OS 2.2.
user@OS/390.25.00: ls -al /etc/csh.cshrc /etc/profile
-rw-r--r-- 1 OMVSKERN OMVS 2208 Apr 22 2013 /etc/csh.cshrc
-rwxr-xr-x 1 OMVSKERN OMVS 10315 Apr 19 2013 /etc/profile
user@OS/390.25.00:
... of course.
So, I might try:
user@OS/390.25.00: cat `whence findjava`
/* Rexx */ signal on novalue; /*
Find newest Java library:
*/
trace R
JavaCmd = 'set -x; ls -1dt /usr/lpp/java/J*/bin |' ,
' sed -n ''1 s/\/bin$//p'''
RC = BPXWUNIX( JavaCmd, , 'OUT.' )
say value( 'OUT.1' )
user@OS/390.25.00: findjava
6 *-* JavaCmd = 'set -x; ls -1dt /usr/lpp/java/J*/bin |' ,'?sed -n ''1
s/\/bin$//p'''
>>> "set -x; ls -1dt /usr/lpp/java/J*/bin | ?sed -n '1 s/\/bin$//p'"
8 *-* RC = BPXWUNIX( JavaCmd, , 'OUT.' )
sh:0+ ls -1dt /usr/lpp/java/J6.0.1_64/bin /usr/lpp/java/J6.0_64/bin
/usr/lpp/java/J7.1_64/bin /usr/lpp/java/J8.0_64/bin
sh:0+ sed -n 1 s/\/bin$//p
>>> "0"
10 *-* say value( 'OUT.1' )
>>> "/usr/lpp/java/J8.0_64"
/usr/lpp/java/J8.0_64
user@OS/390.25.00:
Grrr...,
gil
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