24 lines
1.2 KiB
Plaintext
Executable File
24 lines
1.2 KiB
Plaintext
Executable File
# Open Group Base Specifications Issue 7:
|
|
# """
|
|
# If an unknown option is met, VAR shall be set to "?". In this case,
|
|
# if the first character in optstring is ":", OPTARG shall be set
|
|
# to the option character found, but no output shall be written
|
|
# to standard error; otherwise, the shell variable OPTARG shall be
|
|
# unset and a diagnostic message shall be written to standard error."
|
|
# ...
|
|
# If an option-argument is missing:
|
|
# If the first character of optstring is ":", VAR shall be set to ":"
|
|
# and OPTARG shall be set to the option character found.
|
|
# """
|
|
|
|
echo "*** optstring:':ac' args:-a -b -c"
|
|
getopts ":ac" var -a -b -c; echo "1 rc:$? var:'$var' OPTIND:$OPTIND OPTARG:'$OPTARG'"
|
|
getopts ":ac" var -a -b -c; echo "2 rc:$? var:'$var' OPTIND:$OPTIND OPTARG:'$OPTARG'"
|
|
getopts ":ac" var -a -b -c; echo "3 rc:$? var:'$var' OPTIND:$OPTIND OPTARG:'$OPTARG'"
|
|
getopts ":ac" var -a -b -c; echo "4 rc:$? var:'$var' OPTIND:$OPTIND OPTARG:'$OPTARG'"
|
|
# Previous line should result in "rc:1", which is normally treated
|
|
# in getopts loops as exit condition.
|
|
# Nevertheless, let's verify that calling it yet another time doesn't do
|
|
# anything weird:
|
|
getopts ":ac" var -a -b -c; echo "5 rc:$? var:'$var' OPTIND:$OPTIND OPTARG:'$OPTARG'"
|