tde-l10n_split_desktop: Adjusted to ensure portability

+ the use of an array is omitted
+ printf is used instead of echo
+ $(...) is used for subshell

Signed-off-by: Slávek Banko <slavek.banko@axis.cz>

conversions/tde-l10n/tde-l10n_split_desktop

@@ -1,6 +1,6 @@
 #!/bin/sh
 
-# default keyword
+# default keywords
 KEYWORDS="Name GenericName Comment Keywords Description ExtraNames X-TDE-Submenu"
 
 # parse arguments
@@ -32,13 +32,16 @@ while [ $# -gt 0 ]; do
 
     *)
       [ -f "$1" ] && \
-      D+=("$1")
+      D="${D}|$1"
       ;;
   esac
   shift
 done
 
-set -- "${D[@]}"
+oldIFS=$IFS
+IFS="|"
+set -- ${D#|}
+IFS=$oldIFS
 
 if [ -z "$1" ]; then
   echo "No desktop file specified for processing. Exiting..."
@@ -51,7 +54,7 @@ fi
 
 # determine path for translations
 TRANSLATIONS_DIR="translations/desktop_files"
-if [ -n "`git rev-parse --git-dir 2>/dev/null`" ]; then
+if [ -n "$(git rev-parse --git-dir 2>/dev/null)" ]; then
   TRANSLATIONS_DIR="$(git rev-parse --show-toplevel)/${TRANSLATIONS_DIR}"
   APPNAME=$(basename $(git rev-parse --show-toplevel))
 fi
@@ -106,7 +109,7 @@ done
 
 # extract strings
 #xgettext --foreign-user -L Desktop -k -k"Name" -k"GenericName" -k"Comment" -k"Keywords" -k"Description" -k"ExtraNames" -k"X-TDE-Submenu" -o - "$D" | \
-echo -n "${DX#|}" | tr "|" "\0" | xargs -r0 \
+printf "%s" "${DX#|}" | tr "|" "\0" | xargs -r0 \
 xgettext --foreign-user -Cc -ki18n -o - | \
 sed "s|\.tde_l10n||g" | \
 sed "s|Content-Type: text/plain; charset=CHARSET|Content-Type: text/plain; charset=UTF-8|"  \
@@ -114,38 +117,38 @@ sed "s|Content-Type: text/plain; charset=CHARSET|Content-Type: text/plain; chars
 POT_HEADER=$(sed -n "1,/^$/p" "$TRANSLATIONS_DIR/$POT")
 
 # remove temporary files
-echo -n "${DX#|}" | tr "|" "\0" | xargs -r0 \
+printf "%s" "${DX#|}" | tr "|" "\0" | xargs -r0 \
 rm
 
 # process languages
-echo -n "${DO#|}" | tr "|" "\0" | xargs -r0 cat |
+printf "%s" "${DO#|}" | tr "|" "\0" | xargs -r0 cat |
 sed -n "s|.*\[\([^]]*\)\][ ]*=.*|\1|p" | \
 grep -vx "xx" | \
 sort -u | \
 while read L; do
-  echo "$POT_HEADER" | sed "s|\(Language: \)|\1$L|" > "$TRANSLATIONS_DIR/$L.po"
-  echo >> "$TRANSLATIONS_DIR/$L.po"
+  printf "%s\n" "$POT_HEADER" | sed "s|\(Language: \)|\1$L|" > "$TRANSLATIONS_DIR/$L.po"
 
   # process sections
-  echo "${DO#|}" | tr "|" "\n" |
+  printf "%s\n" "${DO#|}" | tr "|" "\n" |
   while read D; do
     sed -n "s|^\[\(.*\)\]$|\1|p" "$D" | \
     while read S; do
       # process variables
       sed -n "/^\[$S\]/,/^\[/s|^\([^#\[][^\[]*\)\[$L\][ ]*=.*|\1|p" "$D" | \
       while read V; do
-        MSGID=`sed -n -e "s|\"|\\\\\"|g" -e "/^\[$S\]/,/^\[/s|^$V[ ]*=[ ]*\(.*\)$|msgid \"\1\"|p" "$D"`
+        MSGID=$(sed -n -e "s|\"|\\\\\"|g" \
+                    -e "/^\[$S\]/,/^\[/s|^$V[ ]*=[ ]*\(.*\)$|msgid \"\1\"|p" "$D")
         if [ -n "$MSGID" ] && [ -z "$(grep -Fx "$MSGID" "$TRANSLATIONS_DIR/$L.po")" ]; then
-          echo "$MSGID"
+          printf "%s\n" "$MSGID"
           sed -n -e "s|\"|\\\\\"|g" -e "/^\[$S\]/,/^\[/s|^$V\[$L\][ ]*=[ ]*\(.*\)$|msgstr \"\1\"|p" "$D" | head -n1
-          echo
+          printf "\n"
         fi
       done >> "$TRANSLATIONS_DIR/$L.po"
     done
   done
 
   # update according to template
-  echo -n "-- $L "
+  printf "%s" "-- $L "
   msgmerge --update --backup=none "$TRANSLATIONS_DIR/$L.po" "$TRANSLATIONS_DIR/$POT"
 done