From 419db0391e47444dd12fb052613fd415694d04f0 Mon Sep 17 00:00:00 2001 From: Denys Vlasenko Date: Fri, 11 Aug 2017 17:21:14 +0200 Subject: hush: implement "silent" optstrings of ":opts" Signed-off-by: Denys Vlasenko --- shell/ash_test/ash-getopts/getopt_silent.tests | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) create mode 100755 shell/ash_test/ash-getopts/getopt_silent.tests (limited to 'shell/ash_test/ash-getopts/getopt_silent.tests') diff --git a/shell/ash_test/ash-getopts/getopt_silent.tests b/shell/ash_test/ash-getopts/getopt_silent.tests new file mode 100755 index 000000000..097d7ba85 --- /dev/null +++ b/shell/ash_test/ash-getopts/getopt_silent.tests @@ -0,0 +1,23 @@ +# 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'" -- cgit v1.2.3