mirror of
https://github.com/vim/vim
synced 2025-05-02 22:37:47 +02:00
79186bee78
Problem: One more syntax test depends on the system. Solution: Use "dash" instead of "sh".
373 lines
13 KiB
Bash
373 lines
13 KiB
Bash
#!/bin/dash -x
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# sh5
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# Note that this is special for sh. ksh will be an extra file later.
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# Note too, that sh and ksh allow ${var:-sub} as well as ${var-sub}!
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# The ':' is optional!
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# This all should be OK
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# Case 0a
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[ -t 0 ] && date
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Variable1=value1
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Variable2='value2'
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Variable3="value3"
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echo "$Variable1" "$Variable2" "$Variable3"
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# Case 0b
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[ -t 0 ] && echo "\ndate"
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Variable1=$HOME
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Variable2='$HOME'
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Variable3="$HOME"
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echo "$Variable1" "$Variable2" "$Variable3"
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# Case 0c
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[ -t 0 ] && echo "\ndate"
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Variable1=$HOME$SHELL
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Variable2=$HOME.$SHELL
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Variable3=$HOME.$SHELL+$HOME-$SHELL/$HOME
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echo "$Variable1" "$Variable2" "$Variable3"
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# Case 0d
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[ -t 0 ] && echo "\ndate"
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Variable1=`date`
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Variable2=`id -ng`
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Variable3=`id -ng | wc -c`
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echo "$Variable1" "$Variable2" "$Variable3"
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################################################################################
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#
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# Case 1a with constants
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[ -t 0 ] && echo "\ndate"
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Variable1=${VariableA:=eng1}
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Variable2=${VariableA:-eng2}
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Variable3=${VariableA:?eng3}
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Variable3=${VariableA:+eng3}
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echo "$Variable1" "$Variable2" "$Variable3"
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# Case 1b with constants in single quotes
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[ -t 0 ] && echo "\ndate"
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Variable1=${VariableA:='eng1'}
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Variable2=${VariableA:-'eng2'}
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Variable3=${VariableA:?'eng3'}
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Variable3=${VariableA:+'eng3'}
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echo "$Variable1" "$Variable2" "$Variable3"
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# Case 1c with constants in double quotes
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[ -t 0 ] && echo "\ndate"
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Variable1=${VariableA:="eng1"}
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Variable2=${VariableA:-"eng2"}
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Variable3=${VariableA:?"eng3"}
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Variable3=${VariableA:+"eng3"}
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echo "$Variable1" "$Variable2" "$Variable3"
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# Case 1d: constants but missing colons
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Variable1=${VariableA=eng1}
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Variable2=${VariableA-eng2}
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Variable3=${VariableA?eng3}
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Variable3=${VariableA+eng3}
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Variable1=${VariableA='eng1'}
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Variable2=${VariableA-'eng2'}
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Variable3=${VariableA?'eng3'}
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Variable3=${VariableA+'eng3'}
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Variable1=${VariableA="eng1"}
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Variable2=${VariableA-"eng2"}
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Variable3=${VariableA?"eng3"}
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Variable3=${VariableA+"eng3"}
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# Case 2a with a variable
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[ -t 0 ] && echo "\ndate"
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Variable1=${VariableA:=$HOME}
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Variable2=${VariableA:-$HOME}
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Variable3=${VariableA:?$HOME}
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Variable3=${VariableA:+$HOME}
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echo "$Variable1" "$Variable2" "$Variable3"
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# Case 2b with a variable in single quotes
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[ -t 0 ] && echo "\ndate"
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Variable1=${VariableA:='$HOME'}
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Variable2=${VariableA:-'$HOME'}
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Variable3=${VariableA:?'$HOME'}
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Variable3=${VariableA:+'$HOME'}
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echo "$Variable1" "$Variable2" "$Variable3"
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# Case 2c with a variable in double quotes
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[ -t 0 ] && echo "\ndate"
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Variable1=${VariableA:="$HOME"}
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Variable2=${VariableA:-"$HOME"}
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Variable3=${VariableA:?"$HOME"}
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Variable3=${VariableA:+"$HOME"}
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echo "$Variable1" "$Variable2" "$Variable3"
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# Case 3a with a command substitution
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[ -t 0 ] && echo "\ndate"
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Variable1=${VariableA:=`date`}
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Variable2=${VariableA:-`date`}
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Variable3=${VariableA:?`date`}
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Variable3=${VariableA:+`date`}
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echo "$Variable1" "$Variable2" "$Variable3"
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# Case 3b with a command + option substitution
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[ -t 0 ] && echo "\ndate"
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Variable1=${VariableA:=`id -ng`}
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Variable2=${VariableA:-`id -ng`}
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Variable3=${VariableA:?`id -ng`}
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Variable3=${VariableA:+`id -ng`}
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echo "$Variable1" "$Variable2" "$Variable3"
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# Case 3c with a command + pipe substitution
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[ -t 0 ] && echo "\ndate"
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Variable1=${VariableA:=`id -ng | wc -c`}
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Variable2=${VariableA:-`id -ng | wc -c`}
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Variable3=${VariableA:?`id -ng | wc -c`}
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Variable3=${VariableA:+`id -ng | wc -c`}
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echo "$Variable1" "$Variable2" "$Variable3"
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################################################################################
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#
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# The same with one nestet ${} level
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# Case 1a with constants
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[ -t 0 ] && echo "\ndate"
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Variable1=${VariableA:-${VarB:=eng1}}
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Variable2=${VariableA:-${VarB:-eng2}}
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Variable3=${VariableA:-${VarB:?eng3}}
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Variable3=${VariableA:-${VarB:+eng3}}
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echo "$Variable1" "$Variable2" "$Variable3"
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# Case 1b with constants in single quotes
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[ -t 0 ] && echo "\ndate"
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Variable1=${VariableA:-${VarB:='eng1'}}
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Variable2=${VariableA:-${VarB:-'eng2'}}
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Variable3=${VariableA:-${VarB:?'eng3'}}
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Variable3=${VariableA:-${VarB:+'eng3'}}
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echo "$Variable1" "$Variable2" "$Variable3"
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# Case 1c with constants in double quotes
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[ -t 0 ] && echo "\ndate"
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Variable1=${VariableA:-${VarB:="eng1"}}
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Variable2=${VariableA:-${VarB:-"eng2"}}
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Variable3=${VariableA:-${VarB:?"eng3"}}
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Variable3=${VariableA:-${VarB:+"eng3"}}
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echo "$Variable1" "$Variable2" "$Variable3"
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# Case 2a with a variable
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[ -t 0 ] && echo "\ndate"
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Variable1=${VariableA:-${VarB:=$HOME}}
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Variable2=${VariableA:-${VarB:-$HOME}}
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Variable3=${VariableA:-${VarB:?$HOME}}
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Variable3=${VariableA:-${VarB:+$HOME}}
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echo "$Variable1" "$Variable2" "$Variable3"
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# Case 2b with a variable in single quotes
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[ -t 0 ] && echo "\ndate"
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Variable1=${VariableA:-${VarB:='$HOME'}}
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Variable2=${VariableA:-${VarB:-'$HOME'}}
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Variable3=${VariableA:-${VarB:?'$HOME'}}
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Variable3=${VariableA:-${VarB:+'$HOME'}}
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echo "$Variable1" "$Variable2" "$Variable3"
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# Case 2c with a variable in double quotes
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[ -t 0 ] && echo "\ndate"
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Variable1=${VariableA:-${VarB:="$HOME"}}
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Variable2=${VariableA:-${VarB:-"$HOME"}}
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Variable3=${VariableA:-${VarB:?"$HOME"}}
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Variable3=${VariableA:-${VarB:+"$HOME"}}
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echo "$Variable1" "$Variable2" "$Variable3"
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# Case 3a with a command substitution
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[ -t 0 ] && echo "\ndate"
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Variable1=${VariableA:-${VarB:=`date`}}
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Variable2=${VariableA:-${VarB:-`date`}}
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Variable3=${VariableA:-${VarB:?`date`}}
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Variable3=${VariableA:-${VarB:+`date`}}
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echo "$Variable1" "$Variable2" "$Variable3"
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# Case 3b with a command + option substitution
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[ -t 0 ] && echo "\ndate"
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Variable1=${VariableA:-${VarB:=`id -ng`}}
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Variable2=${VariableA:-${VarB:-`id -ng`}}
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Variable3=${VariableA:-${VarB:?`id -ng`}}
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Variable3=${VariableA:-${VarB:+`id -ng`}}
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echo "$Variable1" "$Variable2" "$Variable3"
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# Case 3c with a command + pipe substitution
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[ -t 0 ] && echo "\ndate"
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Variable1=${VariableA:-${VarB:=`id -ng | wc -c`}}
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Variable2=${VariableA:-${VarB:-`id -ng | wc -c`}}
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Variable3=${VariableA:-${VarB:?`id -ng | wc -c`}}
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Variable3=${VariableA:-${VarB:+`id -ng | wc -c`}}
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echo "$Variable1" "$Variable2" "$Variable3"
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################################################################################
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#
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# The same with two nestet ${} level
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# Case 1a with constants
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[ -t 0 ] && echo "\ndate"
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Variable1=${VariableA:-${VarB:-${VarC:=eng1}}}
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Variable2=${VariableA:-${VarB:-${VarC:-eng2}}}
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Variable3=${VariableA:-${VarB:-${VarC:?eng3}}}
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Variable3=${VariableA:-${VarB:-${VarC:+eng3}}}
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echo "$Variable1" "$Variable2" "$Variable3"
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# Case 1b with constants in single quotes
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[ -t 0 ] && echo "\ndate"
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Variable1=${VariableA:-${VarB:-${VarC:='eng1'}}}
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Variable2=${VariableA:-${VarB:-${VarC:-'eng2'}}}
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Variable3=${VariableA:-${VarB:-${VarC:?'eng3'}}}
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Variable3=${VariableA:-${VarB:-${VarC:+'eng3'}}}
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echo "$Variable1" "$Variable2" "$Variable3"
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# Case 1c with constants in double quotes
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[ -t 0 ] && echo "\ndate"
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Variable1=${VariableA:-${VarB:-${VarC:="eng1"}}}
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Variable2=${VariableA:-${VarB:-${VarC:-"eng2"}}}
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Variable3=${VariableA:-${VarB:-${VarC:?"eng3"}}}
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Variable3=${VariableA:-${VarB:-${VarC:+"eng3"}}}
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echo "$Variable1" "$Variable2" "$Variable3"
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# Case 2a with a variable
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[ -t 0 ] && echo "\ndate"
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Variable1=${VariableA:-${VarB:-${VarC:=$HOME}}}
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Variable2=${VariableA:-${VarB:-${VarC:-$HOME}}}
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Variable3=${VariableA:-${VarB:-${VarC:?$HOME}}}
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Variable3=${VariableA:-${VarB:-${VarC:+$HOME}}}
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echo "$Variable1" "$Variable2" "$Variable3"
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# Case 2b with a variable in single quotes
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[ -t 0 ] && echo "\ndate"
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Variable1=${VariableA:-${VarB:-${VarC:='$HOME'}}}
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Variable2=${VariableA:-${VarB:-${VarC:-'$HOME'}}}
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Variable3=${VariableA:-${VarB:-${VarC:?'$HOME'}}}
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Variable3=${VariableA:-${VarB:-${VarC:+'$HOME'}}}
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echo "$Variable1" "$Variable2" "$Variable3"
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# Case 2c with a variable in double quotes
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[ -t 0 ] && echo "\ndate"
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Variable1=${VariableA:-${VarB:-${VarC:="$HOME"}}}
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Variable2=${VariableA:-${VarB:-${VarC:-"$HOME"}}}
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Variable3=${VariableA:-${VarB:-${VarC:?"$HOME"}}}
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Variable3=${VariableA:-${VarB:-${VarC:?"$HOME"}}}
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Variable3=${VariableA:-${VarB:-${VarC:+"$HOME"}}}
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echo "$Variable1" "$Variable2" "$Variable3"
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# Case 3a with a command substitution
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[ -t 0 ] && echo "\ndate"
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Variable1=${VariableA:-${VarB:-${VarC:=`date`}}}
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Variable2=${VariableA:-${VarB:-${VarC:-`date`}}}
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Variable3=${VariableA:-${VarB:-${VarC:?`date`}}}
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Variable3=${VariableA:-${VarB:-${VarC:+`date`}}}
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echo "$Variable1" "$Variable2" "$Variable3"
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# Case 3b with a command + option substitution
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[ -t 0 ] && echo "\ndate"
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Variable1=${VariableA:-${VarB:-${VarC:=`id -ng`}}}
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Variable2=${VariableA:-${VarB:-${VarC:-`id -ng`}}}
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Variable3=${VariableA:-${VarB:-${VarC:?`id -ng`}}}
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Variable3=${VariableA:-${VarB:-${VarC:+`id -ng`}}}
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echo "$Variable1" "$Variable2" "$Variable3"
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# Case 3c with a command + pipe substitution
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[ -t 0 ] && echo "\ndate"
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Variable1=${VariableA:-${VarB:-${VarC:=`id -ng | wc -c`}}}
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Variable2=${VariableA:-${VarB:-${VarC:-`id -ng | wc -c`}}}
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Variable3=${VariableA:-${VarB:-${VarC:?`id -ng | wc -c`}}}
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Variable3=${VariableA:-${VarB:-${VarC:+`id -ng | wc -c`}}}
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echo "$Variable1" "$Variable2" "$Variable3"
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################################################################################
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#
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# The same with three nestet ${} level
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# Case 1a with constants
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[ -t 0 ] && echo "\ndate"
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Variable1=${VariableA:-${VarB:-${VarC:-${VarD:=eng1}}}}
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Variable2=${VariableA:-${VarB:-${VarC:-${VarD:-eng2}}}}
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Variable3=${VariableA:-${VarB:-${VarC:-${VarD:?eng3}}}}
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Variable3=${VariableA:-${VarB:-${VarC:-${VarD:+eng3}}}}
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echo "$Variable1" "$Variable2" "$Variable3"
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# Case 1b with constants in single quotes
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[ -t 0 ] && echo "\ndate"
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Variable1=${VariableA:-${VarB:-${VarC:-${VarD:='eng1'}}}}
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Variable2=${VariableA:-${VarB:-${VarC:-${VarD:-'eng2'}}}}
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Variable3=${VariableA:-${VarB:-${VarC:-${VarD:?'eng3'}}}}
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Variable3=${VariableA:-${VarB:-${VarC:-${VarD:+'eng3'}}}}
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echo "$Variable1" "$Variable2" "$Variable3"
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# Case 1c with constants in double quotes
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[ -t 0 ] && echo "\ndate"
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Variable1=${VariableA:-${VarB:-${VarC:-${VarD:="eng1"}}}}
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Variable2=${VariableA:-${VarB:-${VarC:-${VarD:-"eng2"}}}}
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Variable3=${VariableA:-${VarB:-${VarC:-${VarD:?"eng3"}}}}
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Variable3=${VariableA:-${VarB:-${VarC:-${VarD:+"eng3"}}}}
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echo "$Variable1" "$Variable2" "$Variable3"
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# Case 2a with a variable
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[ -t 0 ] && echo "\ndate"
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Variable1=${VariableA:-${VarB:-${VarC:-${VarD:=$HOME}}}}
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Variable2=${VariableA:-${VarB:-${VarC:-${VarD:-$HOME}}}}
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Variable3=${VariableA:-${VarB:-${VarC:-${VarD:?$HOME}}}}
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Variable3=${VariableA:-${VarB:-${VarC:-${VarD:+$HOME}}}}
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echo "$Variable1" "$Variable2" "$Variable3"
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# Case 2b with a variable in single quotes
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[ -t 0 ] && echo "\ndate"
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Variable1=${VariableA:-${VarB:-${VarC:-${VarD:='$HOME'}}}}
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Variable2=${VariableA:-${VarB:-${VarC:-${VarD:-'$HOME'}}}}
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Variable3=${VariableA:-${VarB:-${VarC:-${VarD:?'$HOME'}}}}
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Variable3=${VariableA:-${VarB:-${VarC:-${VarD:+'$HOME'}}}}
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echo "$Variable1" "$Variable2" "$Variable3"
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# Case 2c with a variable in double quotes
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[ -t 0 ] && echo "\ndate"
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Variable1=${VariableA:-${VarB:-${VarC:-${VarD:="$HOME"}}}}
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Variable2=${VariableA:-${VarB:-${VarC:-${VarD:-"$HOME"}}}}
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Variable3=${VariableA:-${VarB:-${VarC:-${VarD:?"$HOME"}}}}
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Variable3=${VariableA:-${VarB:-${VarC:-${VarD:+"$HOME"}}}}
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echo "$Variable1" "$Variable2" "$Variable3"
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# Case 3a with a command substitution
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[ -t 0 ] && echo "\ndate"
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Variable1=${VariableA:-${VarB:-${VarC:-${VarD:=`date`}}}}
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Variable2=${VariableA:-${VarB:-${VarC:-${VarD:-`date`}}}}
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Variable3=${VariableA:-${VarB:-${VarC:-${VarD:?`date`}}}}
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Variable3=${VariableA:-${VarB:-${VarC:-${VarD:+`date`}}}}
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echo "$Variable1" "$Variable2" "$Variable3"
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# Case 3b with a command + option substitution
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[ -t 0 ] && echo "\ndate"
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Variable1=${VariableA:-${VarB:-${VarC:-${VarD:=`id -ng`}}}}
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Variable2=${VariableA:-${VarB:-${VarC:-${VarD:-`id -ng`}}}}
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Variable3=${VariableA:-${VarB:-${VarC:-${VarD:?`id -ng`}}}}
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Variable3=${VariableA:-${VarB:-${VarC:-${VarD:+`id -ng`}}}}
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echo "$Variable1" "$Variable2" "$Variable3"
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# Case 3c with a command + pipe substitution
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[ -t 0 ] && echo "\ndate"
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Variable1=${VariableA:-${VarB:-${VarC:-${VarD:=`id -ng | wc -c`}}}}
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Variable2=${VariableA:-${VarB:-${VarC:-${VarD:-`id -ng | wc -c`}}}}
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Variable3=${VariableA:-${VarB:-${VarC:-${VarD:?`id -ng | wc -c`}}}}
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Variable3=${VariableA:-${VarB:-${VarC:-${VarD:+`id -ng | wc -c`}}}}
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echo "$Variable1" "$Variable2" "$Variable3"
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################################################################################
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#
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# This is also allowed:
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Variable1=${VariableA-${VarB-${VarC-${VarD=`id -ng | wc -c`}}}}
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################################################################################
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#
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# All cases with ${Var:?} which works for the sh:
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Variable4=${Variable4:?}
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Variable4=${Variable4:?OK}
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Variable4=${Variable4:?`date`}
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Variable4=${Variable4:?'an OK string'}
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Variable4=${Variable4:?"an OK string"}
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Variable4=${Variable4:?$HOME$SHELL}
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Variable4=${Variable4:?$HOME:$SHELL}
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# All cases with ${Var:?} which works also for ksh:
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Variable4=${Variable4:?This is OK}
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Variable4=${Variable4:?This is OK, too: `date`}
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# What happens with ${#identifier[*]}:
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Variable5=${#identifier[*]}
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