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 | trapret() {( |
18 | local retvals="$1"; shift |
19 | local cmd="$1"; shift |
20 | for retval in $(echo $retvals); do |
21 | local trap_$retval=1 |
22 | done |
23 | "$cmd" "$@" || { |
24 | local retval="$?" |
25 | eval "trapped=\${trap_$retval}" |
26 | [ -n "$trapped" ] || { |
27 | return $retval |
28 | } |
29 | } |
30 | )} |
31 | |
32 | md5s() { |
33 | cat "$@" | ( |
34 | md5sum 2>/dev/null || |
35 | md5 |
36 | ) | awk '{print $1}' |
37 | } |
38 | |
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