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build: drop `trapret` function from non-Linux HOST_TAR variant
[openwrt/staging/florian.git]
/
include
/
shell.sh
1
getvar
() {
2
eval
"echo
\"
\
${$1}
\"
"
3
}
4
5
var2file
() {
6
local
var
7
eval
"var=
\"
\
${$1}
\"
"
8
if
[
-n
"
$var
"
];
then
echo
"
$var
"
>
"
$2
"
;
fi
9
}
10
11
isset
() {
12
local
var
13
eval
"var=
\"
\
${$1}
\"
"
14
[
-n
"
$var
"
]
15
}
16
17
md5s
() {
18
cat
"$@"
|
(
19
md5sum
2
>/
dev
/
null ||
20
md5
21
)
|
awk
'{print
$1
}'
22
}