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annotate tests/builtin_getopts/testsetup.sh @ 707:cc06815e5504

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Add some tests about the behaviour of FreeBSD's /bin/sh builtin getopts(). It also has the "silent" option -- but it is undocumented.
author Franz Glasner <fzglas.hg@dom66.de>
date Wed, 02 Oct 2024 19:50:37 +0200
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cc06815e5504 Add some tests about the behaviour of FreeBSD's /bin/sh builtin getopts().
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1 #!/bin/sh
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2 #
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3 # Test the behaviour of the shell's builtin `getopts`
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4 #
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5
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6 #:
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7 #: Reset all the global variables thar are used by `getopts`
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8 #:
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9 #: Output (Globals):
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10 #: OPTIND (int):
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11 #: OPTARG:
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12 #:
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13 reset_getopts() {
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14 OPTIND=1
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15 OPTARG=
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16 # XXX FIXME: Is this used in FreeBSD's /bin/sh
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17 # OPTERR=
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18
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19 # The test variable
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20 opt=''
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21
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22 return 0
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23 }
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24
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25
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26 test_standard_1() {
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27 while getopts 'ab:' opt; do
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28 case "$opt" in
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29 a)
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30 echo "OPTION: a with arg: \`${OPTARG+SET}'"
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31 ;;
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32 b)
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33 echo "OPTION: b with arg: \`${OPTARG}'"
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34 ;;
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35 \?)
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36 # All errors are reported here
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37 if [ -n "${OPTARG+SET}" ] ; then
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38 echo "ERROR: unknown option: ${OPTARG}" >&2
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39 else
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40 echo "ERROR: unknown option" >&2
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41 fi
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42 ;;
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43 :)
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44 # Never landing here
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45 if [ -n "${OPTARG+SET}" ] ; then
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46 echo "ERROR: unknown option (colon): ${OPTARG}" >&2
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47 else
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48 echo "ERROR: unknown option (colon)" >&2
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49 fi
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50 ;;
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51 *)
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52 echo "ERROR: option handling" >&2
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53 ;;
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54 esac
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55 done
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56 echo "OPTIND: ${OPTIND}"
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57 }
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58
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59
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60 #:
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61 #: Silent mode with a colon ``:`` as the first character in optstring.
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62 #:
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63 #: This is undocumented in current FreeBSD's :command:`/bin/sh`.
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64 #: But it works as in :command:`/usr/local/bin/ksh93`.
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65 #:
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66 test_noreport_1() {
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67 # Note: The first char in optstring is a colon!
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68 while getopts ':ab:' opt; do
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69 case "$opt" in
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70 a)
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71 echo "OPTION: a with arg: \`${OPTARG+SET}'"
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72 ;;
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73 b)
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74 echo "OPTION: b with arg: \`${OPTARG}'"
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75 ;;
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76 \?)
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77 # An invalid option is reported here
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78 if [ -n "${OPTARG+SET}" ] ; then
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79 echo "ERROR: unknown option: ${OPTARG}" >&2
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80 else
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81 echo "ERROR: unknown option" >&2
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82 fi
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83 ;;
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84 :)
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85 # A missing required parameter is reported here
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86 if [ -n "${OPTARG+SET}" ] ; then
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87 echo "ERROR: unknown option (colon): ${OPTARG}" >&2
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88 else
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89 echo "ERROR: unknown option (colon)" >&2
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90 fi
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91 ;;
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92 *)
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93 echo "ERROR: option handling" >&2
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94 ;;
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95 esac
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96 done
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97 echo "OPTIND: ${OPTIND}"
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98 }