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22 lines
274 B

getvar() {
eval "echo \"\${$1}\""
}
var2file() {
local var
eval "var=\"\${$1}\""
if [ -n "$var" ]; then echo "$var" > "$2"; fi
}
isset() {
local var
eval "var=\"\${$1}\""
[ -n "$var" ]
}
md5s() {
cat "$@" | (
md5sum 2>/dev/null ||
md5
) | awk '{print $1}'
}