120 lines
1.6 KiB
Text
120 lines
1.6 KiB
Text
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# first, let's start with the basics
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recho "$@"
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recho "$*"
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recho $@
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recho $*
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set a b
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recho "$*"
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# If IFS is null, the parameters are joined without separators
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IFS=''
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recho "$*"
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# If IFS is unset, the parameters are separated by spaces
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unset IFS
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recho "${*}"
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recho "$@"
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recho $@
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IFS='/'
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set bob 'tom dick harry' joe
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set $*
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recho $#
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recho $1
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recho $2
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recho $3
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set bob 'tom dick harry' joe
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set ${*}
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recho $#
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recho $1
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recho $2
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recho $3
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set bob 'tom dick harry' joe
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set $@
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recho $#
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recho $1
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recho $2
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recho $3
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set bob 'tom dick harry' joe
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set ${@}
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recho $#
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recho $1
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recho $2
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recho $3
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# according to POSIX.2, unquoted $* should expand to multiple words if
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# $IFS is null, just like unquoted $@
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IFS=''
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set bob 'tom dick harry' joe
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set $*
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recho $#
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recho $1
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recho $2
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recho $3
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set bob 'tom dick harry' joe
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set $@
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recho $#
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recho $1
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recho $2
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recho $3
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# if IFS is unset, the individual positional parameters are split on
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# " \t\n" if $* or $@ are unquoted
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unset IFS
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set bob 'tom dick harry' joe
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set $*
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recho $#
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recho $1
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recho $2
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recho $3
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set bob 'tom dick harry' joe
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set $@
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recho $#
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recho $1
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recho $2
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recho $3
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# but not for "$@" or "$*"
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set bob 'tom dick harry' joe
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set "$*"
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recho $#
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recho $1
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recho $2
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recho $3
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set bob 'tom dick harry' joe
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set "$@"
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recho $#
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recho $1
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recho $2
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recho $3
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# POSIX.2 says these should both expand the positional parameters
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# to multiple words
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set a b c d e
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IFS=""
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recho $@
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recho "$@"
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# this example is straight from the POSIX.2 rationale
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set foo bar bam
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recho "$@"
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recho "$*"
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unset IFS
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recho "$@"
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recho $@
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recho "$*"
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