cat command can display several files

files can be a list and/or unix filename pattern

bin/is

@@ -182,7 +182,7 @@ def c_list(parser, args):
 
 def c_cat(parser, args):
     '''
-    Display image's file
+    Display image's file(s)
     '''
     # looks if arguments is a file or image name
     if istools.pathtype(args.image) == "file" and os.path.isfile(args.image):
@@ -191,7 +191,8 @@ def c_cat(parser, args):
         # get image package
         repoman = load_repositories(args)
         pkg = repoman.get(args.image, args.image_version)
-    pkg.cat(args.file)
+    for filename in args.files:
+        pkg.cat(filename)
 
 def c_search(parser, args):
     '''
@@ -298,11 +299,10 @@ p_install.set_defaults(func=c_install, subparser=p_install)
 
 # cat command parser
 p_cat = subparsers.add_parser("cat", help=c_cat.__doc__.lower())
-
 p_cat.add_argument("-v", "--image-version", type=int, default=None,
                        help="image version")
 p_cat.add_argument("image", help="image (path or name)")
-p_cat.add_argument("file", help="file to cat")
+p_cat.add_argument("files", nargs='+', help="files to cat")
 p_cat.set_defaults(func=c_cat)
 
 # get command parser

installsystems/image.py

@@ -17,6 +17,7 @@ import re
 import cStringIO
 import shutil
 import gzip
+import fnmatch
 import installsystems.template as istemplate
 import installsystems.tools as istools
 from installsystems.printer import *
@@ -454,9 +455,15 @@ class PackageImage(Image):
         arrowlevel(-1)
 
     def cat(self, filename):
-        fd = self._tarball.extractfile(filename)
-        arrow(filename)
-        out(fd.read())
+        '''
+        Display filename in the tarball
+        '''
+        for filename in fnmatch.filter(self._tarball.getnames(), filename):
+            fd = self._tarball.extractfile(filename)
+            if fd is not None:
+                arrow(filename)
+                out(fd.read())
+                fd.close()
 
     def run_parser(self, **kwargs):
         '''