--- /dev/null
+diff -urN a2ps-4.13.orig/src/select.c a2ps-4.13/src/select.c
+--- a2ps-4.13.orig/src/select.c 2004-12-13 14:32:29.582879216 +0100
++++ a2ps-4.13/src/select.c 2004-12-13 14:33:42.773752512 +0100
+@@ -131,6 +131,36 @@
+ return 1;
+ }
+ \f
++/* escapes the name of a file so that the shell groks it in 'single' q.marks.
++ The resulting pointer has to be free()ed when not longer used. */
++char *
++shell_escape(const char *fn)
++{
++ size_t len = 0;
++ const char *inp;
++ char *retval, *outp;
++
++ for(inp = fn; *inp; ++inp)
++ switch(*inp)
++ {
++ case '\'': len += 4; break;
++ default: len += 1; break;
++ }
++
++ outp = retval = malloc(len + 1);
++ if(!outp)
++ return NULL; /* perhaps one should do better error handling here */
++ for(inp = fn; *inp; ++inp)
++ switch(*inp)
++ {
++ case '\'': *outp++ = '\''; *outp++ = '\\'; *outp++ = '\'', *outp++ = '\''; break;
++ default: *outp++ = *inp; break;
++ }
++ *outp = 0;
++
++ return retval;
++}
++\f
+ /* What says file about the type of a file (result is malloc'd). NULL
+ if could not be run. */
+
+@@ -144,11 +174,15 @@
+ if (IS_EMPTY (job->file_command))
+ return NULL;
+
++ filename = shell_escape(filename);
++ if(filename == NULL)
++ return NULL;
+ /* Call file(1) with the correct option */
+- command = ALLOCA (char, (2
++ command = ALLOCA (char, (4
+ + strlen (job->file_command)
+ + ustrlen (filename)));
+- sprintf (command, "%s %s", job->file_command, (const char *) filename);
++ sprintf (command, "%s '%s'", job->file_command, (const char *) filename);
++ free(filename);
+ message (msg_tool, (stderr, "Reading pipe: `%s'\n", command));
+ file_out = popen (command, "r");
+