121 lines
1.8 KiB
Text
121 lines
1.8 KiB
Text
|
# 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[*]}"
|