of the machines I have available to me (print ${.sh.version}):
93e is just too old
Version M-12/28/93e
./test.ksh: line 64: .sh.file: parameter not set
My mac:
Version M 1993-12-28 s+
GNU/Linux
Version M 93s+ 2008-01-31
Version JM 93t+ 2009-05-01
Seems the sub-options are returned differently from the version of ksh93s on
my Mac to the ksh93s on the linux box. So below I have to check for which
version I am working on. I would have expected the OPTARG for the sub-option
to be 20 or 21, from the USAGE description. Did I define the USAGE
incorrectly? or am I looking for the suboptions (20 & 21) incorrectly?
Is there a way to get the version as a numerical value? So that it can be
compared to a minimum version that works for this app. For example the sh.
compound variable showed up at some point (93m?).
I see sometimes the date is the third value in the version string, sometimes
the fourth, sometimes part of the second (at least in the boxes I've looked
at). Is there a regex to parse the various version string formats?
Thanks
Eric
USAGE=$'
...
[10:date?Delivery date (YYYYMMDD or YYYMMDDHH)]:[<value>]
[11:flag?what type of flag are you setting?]:[<type>]
{
[20:aaa?desc of this type]
[21:bbb?and this does something else]
}
[12:user?Retrieve user data]
[13:media?Retrieve media content]
[14:verbose?Verbosity is good sometimes]
...
'
...
while getopts "${USAGE}" optchar
do
case ${optchar} in
10) dt_date=${OPTARG} ;;
11)
if [[ ${.sh.version} == "Version M 1993-12-28 s+" ]]
then
# ---------- ---------- ----------
# this version returns OPTARG as a negative
# value of what is defined in USAGE
# ---------- ---------- ----------
case $(( abs( ${OPTARG} ) )) in
20) fl_flag='aaa' ;;
21) fl_flag='bbb' ;;
esac
else
# ---------- ---------- ----------
# otherwise it doesn't return OPTARG as
# a defined number in USAGE but the value itself
# ---------- ---------- ----------
fl_flag=${OPTARG}
fi
...
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