Improved some error messages for command line processing.

Added --all to produce all formats at once.

diff --git a/Doc/tools/mkhowto.sh b/Doc/tools/mkhowto.sh
index 26deac9bff314c571cf7ab334e1371b401befd49..69b9b4df55daeb9dc7b0132f869daf0cfd40c1ea 100755 (executable)
--- a/Doc/tools/mkhowto.sh
+++ b/Doc/tools/mkhowto.sh
@@ -40,7 +40,7 @@ Options specifying formats to build:
     --dvi              "DeVice Indepentent" format from TeX
     --text             ASCII text
 
-    More than one output format may be specified.
+    More than one output format may be specified, or --all.
 
 HTML options:
     --address, -a      Specify an address for page footers.
@@ -59,6 +59,10 @@ Other options:
                        (stderr is also lost,  sorry; see *.how for errors)
 
 EOF
+    if [ "$2" ] ; then
+       echo "$2"
+       echo
+    fi
 
     exit $1
 }
@@ -159,6 +163,15 @@ cleanup() {
 # figure out what our targets are:
 while [ "$1" ] ; do
     case "$1" in
+       --all|--al)
+           BUILD_PDF=true
+           BUILD_PS=true
+           BUILD_DVI=true
+           BUILD_HTML=true
+           BUILD_TEXT=true
+           USE_DEFAULT_FORMAT=false
+           shift 1
+           ;;
        --pdf|--pd)
            BUILD_PDF=true
            USE_DEFAULT_FORMAT=false
@@ -243,8 +256,10 @@ if [ $# = 0 ] ; then
     COUNT=`ls -1 *.tex | wc -l | sed 's/[      ]//g'`
     if [ "$COUNT" -eq 1 ] ; then
        set -- `ls -1 *.tex`
+    elif [ "$COUNT" -gt 1 ] ; then
+       usage 2 "Could not deduce which file(s) to process as HOWTO documents."
     else
-       usage 2
+       usage 2 "No file to process."
     fi
 fi