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fix bug when the od command is missing

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This commit is contained in:
neilpang 2017-02-05 13:16:51 +08:00
parent 259cefab72
commit 9bdb799b41
1 changed files with 19 additions and 1 deletions
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acme.sh
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@ -340,11 +340,29 @@ _is_solaris() {
_contains "${__OS__:=$(uname -a)}" "solaris" || _contains "${__OS__:=$(uname -a)}" "SunOS" _contains "${__OS__:=$(uname -a)}" "solaris" || _contains "${__OS__:=$(uname -a)}" "SunOS"
} }
#_ascii_hex str
#this can only process ascii chars, should only be used when od command is missing as a backup way.
_ascii_hex() {
_debug2 "Using _ascii_hex"
_str="$1"
_str_len=${#_str}
_h_i=1
while [ "$_h_i" -le "$_str_len" ]; do
_str_c="$(printf "%s" "$_str" | cut -c "$_h_i")"
printf " %02x" "'$_str_c"
_h_i="$(_math "$_h_i" + 1)"
done
}
#stdin output hexstr splited by one space #stdin output hexstr splited by one space
#input:"abc" #input:"abc"
#output: " 61 62 63" #output: " 61 62 63"
_hex_dump() { _hex_dump() {
od -A n -v -t x1 | tr -d "\r\t" | tr -s " " | sed "s/ $//" | tr -d "\n" #in wired some system, the od command is missing.
if ! od -A n -v -t x1 | tr -d "\r\t" | tr -s " " | sed "s/ $//" | tr -d "\n" 2>/dev/null; then
str=$(cat)
_ascii_hex "$str"
fi
} }
#url encode, no-preserved chars #url encode, no-preserved chars