ECC-629: grib_ls and grib_count to read standard input instead of a filename

tests/bufr_count.sh

@@ -36,7 +36,11 @@ set -e
 [ $status -ne 0 ]
 
 # With -f should count the valid messages
-count=`${tools_dir}/bufr_count -f $temp`
-[ "$count" = "2" ]
+vcount=`${tools_dir}/bufr_count -f $temp`
+[ "$vcount" = "2" ]
+
+# Reading from stdin
+count2=`cat $input | ${tools_dir}/bufr_count -`
+[ $count -eq $count2 ]
 
 rm -f $temp

tests/bufr_ls.sh

@@ -48,5 +48,14 @@ ${tools_dir}/bufr_ls -p totalLength,bufrHeaderCentre,bufrHeaderSubCentre,masterT
 awk NR==3 $fTmp | awk '{split($0,a," "); for (i=1; i<=8; i++) print a[i]}' > $res_ls
 diff $ref_ls $res_ls
 
+#-------------------------------------------
+# Test reading from stdin
+#-------------------------------------------
+f="aaen_55.bufr"
+cat $f | ${tools_dir}/bufr_ls -
+result1=`${tools_dir}/bufr_get -p numberOfSubsets $f`
+result2=`cat $f | ${tools_dir}/bufr_get -p numberOfSubsets -`
+[ "$result1" = "$result2" ]
+
 rm -f $fLog $res_ls 
 rm -f $fTmp

tools/codes_count.c

@@ -88,7 +88,10 @@ int main(int argc,char* argv[])
             continue;
         }
         filename=argv[i];
-        infh=fopen(filename,"r");
+        if (strcmp(filename,"-")==0)
+            infh=stdin;
+        else
+            infh=fopen(filename,"r");
         if (!infh) {
             perror(filename);
             exit(1);

tools/grib_tools.c

@@ -286,7 +286,10 @@ static int grib_tool_without_orderby(grib_runtime_options* options)
     while (infile!=NULL && infile->name!=NULL) {
 
         if (options->print_statistics && options->verbose) fprintf(dump_file,"%s\n",infile->name);
-        infile->file = fopen(infile->name,"r");
+        if (strcmp(infile->name,"-")==0)
+            infile->file = stdin;
+        else
+            infile->file = fopen(infile->name,"r");
         if(!infile->file) {
             perror(infile->name);
             exit(1);