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remove "+=" operator to support bash-3.0

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This commit is contained in:
Alec Chen 2012-04-23 22:11:19 +08:00
parent e5c64db280
commit 3a94daeaf8
1 changed files with 3 additions and 3 deletions
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6
libexec/rbenv-rehash
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@ -85,7 +85,7 @@ shim_variable_name() {
if [[ ! "$shim" =~ [^[:alnum:]_-] ]]; then
shim="${shim//_/_5f}"
shim="${shim//-/_2d}"
result+="$shim"
result="$result$shim"
else
local length="${#shim}"
local char i
@ -93,9 +93,9 @@ shim_variable_name() {
for ((i=0; i<length; i++)); do
char="${shim:$i:1}"
if [[ "$char" =~ [[:alnum:]] ]]; then
result+="$char"
result="$result$char"
else
result+="$(printf "_%02x" \'"$char")"
result="$result$(printf "_%02x" \'"$char")"
fi
done
fi