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Just another update

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This commit is contained in:
Ingy döt Net 2015-02-20 00:35:01 -05:00
parent a25938f123
commit 00a190b0a6
6591 changed files with 94363 additions and 23227 deletions
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10
Task/Generic-swap/UNIX-Shell/generic-swap-1.sh Normal file
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$ swap() { typeset -n var1=$1 var2=$2; set -- "$var1" "$var2"; var1=$2; var2=$1; }
$ a=1 b=2
$ echo $a $b
1 2
$ swap a b
$ echo $a $b
2 1
$ swap a b
$ echo $a $b
1 2

10
Task/Generic-swap/UNIX-Shell/generic-swap-2.sh Normal file
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$ swap() { local var1=$1 var2=$2; set -- "${!var1}" "${!var2}"; declare -g "$var1"="$2" "$var2"="$1"; }
$ a=1 b=2
$ echo $a $b
1 2
$ swap a b
$ echo $a $b
2 1
$ swap a b
$ echo $a $b
1 2