usr_bin/iso-term: Fix a couple of shellcheck warnings

- SC2006: Use $(..) instead of legacy `..`.
- SC2086: Double quote to prevent globbing and word splitting.
- SC2048: Use "$@" (with quotes) to prevent whitespace problems.
- SC2086: Double quote to prevent globbing and word splitting.

While at it also put the execution of x-terminal-emulator out of the
if-then-else clause to avoid duplicate code.

diff --git a/usr_bin/iso-term b/usr_bin/iso-term
index 0362eb2..440233b 100755 (executable)
--- a/usr_bin/iso-term
+++ b/usr_bin/iso-term
@@ -15,12 +15,10 @@ esac
 }
 
 if isutfenv ; then
 }
 
 if isutfenv ; then

-   for ENV in `env | grep UTF` ; do
-       eval export "$(echo $ENV | sed 's/UTF-8/iso885915/')"
+   for ENV in $(env | grep UTF) ; do
+       eval export "$(echo "$ENV" | sed 's/UTF-8/iso885915/')"

    done
    done

-   ZSH_NO_DEFAULT_LOCALE=1 x-terminal-emulator $*
-else
-   ZSH_NO_DEFAULT_LOCALE=1 x-terminal-emulator $*

 fi
 fi

+ZSH_NO_DEFAULT_LOCALE=1 x-terminal-emulator "$@"

 
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