Administrator wrote in
<[email protected]>:
|The quote-rndtrip.sh has been blocked since it violated the Microsoft
|Exchange attachment policy and Delete entire message has been taken on
|2/14/2024 3:12:02 PM.
|If you have any questions, please contact ARRIS IT. Thank you
|
|Message details:
|Server: ATLEXOWA3
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|Sender: [email protected];
|Recipient: [email protected];[email protected];
|Subject: Re: Failing shell code under busybox 1.36.1 that worked with
|1.31.1
|Attachment name: quote-rndtrip.sh
--End of <[email protected]>
I almost laughed.
Then inline.
And good-bye.
#!/bin/sh -
#@ Round trip quote strings in POSIX shell. For example
#@ set -- x 'a \ b' "foo'" "\\'b\\a\\r\\" Aä
#@ printf "%s: <%s><%s><%s><%s><%s>\n" "$#" "${1}" "${2}" "${3}" "$4" "$5"
#@ saved_parameters=`quote_rndtrip "$@"`
#@ eval "set -- $saved_parameters"
#@ printf "%s: <%s><%s><%s><%s><%s>\n" "$#" "${1}" "${2}" "${3}" "$4" "$5"
#
# 2017 Robert Elz (kre).
# 2017 - 2022 Steffen Nurpmeso <[email protected]>.
# Public Domain
# Though slower use a subshell version instead of properly restoring $IFS
# and flags, as elder shells may not be able to properly restore flags via
# "set +o" as later standardized in POSIX, and it seems overkill to handle
# all possible forms of output "set +o" may or may not actually generate.
quote__rndtrip() (
case "$1" in
*\'*) ;;
*) printf "'%s'" "$1"; return 0;;
esac
a="$1" s= e=
while case "$a" in
\'*) a=${a#?}; s="${s}\\\\'";;
*\') a=${a%?}; e="${e}\\\\'";;
'') printf "${s}${e}"; exit 0;;
*) false;;
esac
do
continue
done
IFS=\'
set -f
set -- $a
r="${1}"
shift
for a
do
r="${r}'\\''${a}"
done
printf "${s}'%s'${e}" "${r}"
exit 0
)
quote_rndtrip() (
j=
for i
do
[ -n "$j" ] && printf ' '
j=' '
quote__rndtrip "$i"
done
)
quote_string() (
j=
for i
do
[ -n "$j" ] && printf '\\ '
j=' '
quote__rndtrip "$i"
done
)
# s-sht-mode
--steffen
|
|Der Kragenbaer, The moon bear,
|der holt sich munter he cheerfully and one by one
|einen nach dem anderen runter wa.ks himself off
|(By Robert Gernhardt)
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