projects / thirdparty / bash.git / blame
| Commit | Line | Data |
|---|---|---|
| d233b485 CR |
1 | var=$'\01\02\03\177' |
| 2 | ||
| 3 | bar=${unset:-$var} | |
| 4 | recho "$bar" | |
| 5 | unset -v bar | |
| 6 | bar=${unset:-"$var"} | |
| 7 | recho "$bar" | |
| 8 | ||
| 9 | foo=${parameter:=$var} | |
| 10 | ||
| 11 | recho "$foo" | |
| 12 | recho "$parameter" | |
| 13 | ||
| 14 | unset -v foo parameter | |
| 15 | ||
| 16 | foo=${parameter:="$var"} | |
| 17 | ||
| 18 | recho "$foo" | |
| 19 | recho "$parameter" | |
| 20 | ||
| 21 | unset -v foo parameter | |
| 22 | ||
| 23 | foo="${parameter:=$var}" | |
| 24 | ||
| 25 | recho "$foo" | |
| 26 | recho "$parameter" | |
| 27 | ||
| 28 | unset -v foo parameter | |
| 29 | ||
| 30 | recho ${parameter:=a\ b} | |
| 31 | unset -v parameter | |
| 32 | ||
| 33 | recho ${parameter:="a b"} | |
| 34 | unset -v parameter | |
| 35 | ||
| 36 | v='a b' | |
| 37 | ||
| 38 | recho ${parameter:=$v} | |
| 39 | unset -v parameter | |
| 40 | ||
| 41 | recho ${parameter:="$v"} | |
| 42 | unset -v parameter | |
| 43 | ||
| 44 | # unsetting IFS here | |
| 45 | ||
| 46 | set " abc " " def ghi " "jkl " | |
| 47 | unset -v IFS var | |
| 48 | var=${var-$*}/${var-$*} | |
| 49 | printf '[%s]\n' "$var" | |
| 50 | ||
| 51 | unset -v var | |
| 52 | : ${var=$*} | |
| 53 | printf '[%s]\n' "$var" | |
| 54 | ||
| 55 | unset -v var | |
| 56 | : ${var:=$*/$*/${var-$*}} | |
| 57 | printf '[%s]\n' "$var" |