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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 15:38:56 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 15:38:56 +0000
commit6c20c8ed2cb9ab69a1a57ccb2b9b79969a808321 (patch)
treef63ce19d57fad3ac4a15bc26dbfbfa2b834111b5 /tests/array-at-star
parentInitial commit. (diff)
downloadbash-6c20c8ed2cb9ab69a1a57ccb2b9b79969a808321.tar.xz
bash-6c20c8ed2cb9ab69a1a57ccb2b9b79969a808321.zip
Adding upstream version 5.2.15.upstream/5.2.15upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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+# test the expansion of ${array[@]} and ${array[*]}, both quoted and
+# unquoted. the expansions should be exactly analogous to the
+# expansions of $@ and $* quoted and unquoted
+A=(a b)
+
+recho "${A[*]}"
+
+# If IFS is null, the parameters are joined without separators
+IFS=''
+recho "${A[*]}"
+
+# If IFS is unset, the parameters are separated by spaces
+unset IFS
+recho "${A[*]}"
+
+recho "${A[@]}"
+recho ${A[@]}
+
+IFS='/'
+A=(bob 'tom dick harry' joe)
+set ${A[*]}
+recho $#
+recho $1
+recho $2
+recho $3
+
+A=(bob 'tom dick harry' joe)
+set ${A[*]}
+recho $#
+recho $1
+recho $2
+recho $3
+
+A=(bob 'tom dick harry' joe)
+set ${A[@]}
+recho $#
+recho $1
+recho $2
+recho $3
+
+A=(bob 'tom dick harry' joe)
+set ${A[@]}
+recho $#
+recho $1
+recho $2
+recho $3
+
+# according to POSIX.2, unquoted $* should expand to multiple words if
+# $IFS is null, just like unquoted $@
+IFS=''
+A=(bob 'tom dick harry' joe)
+set "${A[*]}"
+recho $#
+recho $1
+recho $2
+recho $3
+
+A=(bob 'tom dick harry' joe)
+set ${A[*]}
+recho $#
+recho $1
+recho $2
+recho $3
+
+A=(bob 'tom dick harry' joe)
+set ${A[@]}
+recho $#
+recho $1
+recho $2
+recho $3
+
+# if IFS is unset, the individual positional parameters are split on
+# " \t\n" if $* or $@ are unquoted
+unset IFS
+A=(bob 'tom dick harry' joe)
+set ${A[*]}
+recho $#
+recho $1
+recho $2
+recho $3
+
+A=(bob 'tom dick harry' joe)
+set ${A[@]}
+recho $#
+recho $1
+recho $2
+recho $3
+
+# but not for "$@" or "$*"
+A=(bob 'tom dick harry' joe)
+set "${A[*]}"
+recho $#
+recho $1
+recho $2
+recho $3
+
+A=(bob 'tom dick harry' joe)
+set "${A[@]}"
+recho $#
+recho $1
+recho $2
+recho $3
+
+# these should both expand the value of A to multiple words
+A=(a b c d e)
+IFS=""
+recho ${A[@]}
+recho "${A[@]}"
+
+# this example is straight from the POSIX.2 rationale and adapted to arrays
+A=(foo bar bam)
+
+recho "${A[@]}"
+recho "${A[*]}"
+
+unset IFS
+
+recho "${A[@]}"
+recho ${A[@]}
+recho "${A[*]}"