remove redundant code

Author: scivision

+stdlib/+fileio/md5sum.m

@@ -5,19 +5,17 @@
   file (1,1) string {mustBeFile}
 end
 
-file = stdlib.fileio.expanduser(file);
-
 if ismac
-  [stat,hash] = system("md5 -r " + file);
+  [stat, hash] = system("md5 -r " + file);
 elseif isunix
-  [stat,hash] = system("md5sum " + file);
+  [stat, hash] = system("md5sum " + file);
 elseif ispc
-  [stat,hash] = system("CertUtil -hashfile " + file + " MD5");
+  [stat, hash] = system("CertUtil -hashfile " + file + " MD5");
 else
   error("no sha256sum method for your OS")
 end
 
-assert(stat == 0, hash)
+assert(stat == 0, hash, "failed to compute md5sum of " + file)
 
 hash = regexp(hash,'^\w{32}','match','once','lineanchors');
 hash = string(hash);

+stdlib/+fileio/sha256sum.m

@@ -4,19 +4,17 @@
   file (1,1) string {mustBeFile}
 end
 
-file = stdlib.fileio.expanduser(file);
-
 if ismac
-  [stat,hash] = system("shasum --algorithm 256 --binary " + file);
+  [stat, hash] = system("shasum --algorithm 256 --binary " + file);
 elseif isunix
-  [stat,hash] = system("sha256sum --binary " + file);
+  [stat, hash] = system("sha256sum --binary " + file);
 elseif ispc
-  [stat,hash] = system("CertUtil -hashfile " + file + " SHA256");
+  [stat, hash] = system("CertUtil -hashfile " + file + " SHA256");
 else
-  error("no md5sum method for your OS")
+  error("no sha256sum method for your OS")
 end
 
-assert(stat == 0, hash)
+assert(stat == 0, hash, "failed to compute SHA256 hash of " + file)
 
 hash = regexp(hash,'^\w{64}','match','once','lineanchors');
 hash = string(hash);

+stdlib/+hdf5nc/h5ndims.m

@@ -10,7 +10,7 @@
   return
 end
 
-dsi = h5info(stdlib.fileio.expanduser(file), variable).Dataspace;
+dsi = h5info(file, variable).Dataspace;
 if dsi.Type == "scalar"
   frank = 0;
 else

+stdlib/+hdf5nc/h5size.m

@@ -5,7 +5,7 @@
   variable (1,1) string {mustBeNonzeroLengthText}
 end
 
-dsi = h5info(stdlib.fileio.expanduser(file), variable).Dataspace;
+dsi = h5info(file, variable).Dataspace;
 if dsi.Type == "scalar"
   fsize = [];
 else

+stdlib/+hdf5nc/h5variables.m

@@ -8,9 +8,9 @@
 names = string.empty;
 
 if isempty(group) || strlength(group) == 0
-  finf = h5info(stdlib.fileio.expanduser(file));
+  finf = h5info(file);
 else
-  finf = h5info(stdlib.fileio.expanduser(file), group);
+  finf = h5info(file, group);
 end
 
 ds = finf.Datasets;

+stdlib/+hdf5nc/ncndims.m

@@ -10,7 +10,7 @@
   return
 end
 
-dsi = ncinfo(stdlib.fileio.expanduser(file), variable);
+dsi = ncinfo(file, variable);
 if isempty(dsi.Dimensions)
   frank = 0;
 else

+stdlib/+hdf5nc/ncsize.m

@@ -5,7 +5,7 @@
   variable (1,1) string {mustBeNonzeroLengthText}
 end
 
-dsi = ncinfo(stdlib.fileio.expanduser(file), variable);
+dsi = ncinfo(file, variable);
 if isempty(dsi.Dimensions)
   fsize = [];
 else

+stdlib/+hdf5nc/ncvariables.m

@@ -8,9 +8,9 @@
 names = string.empty;
 
 if isempty(group) || strlength(group) == 0
-  finf = ncinfo(stdlib.fileio.expanduser(file));
+  finf = ncinfo(file);
 else
-  finf = ncinfo(stdlib.fileio.expanduser(file), group);
+  finf = ncinfo(file, group);
 end
 
 ds = finf.Variables(:);

+stdlib/+sys/diskfree.m

@@ -1,15 +1,11 @@
 function freebytes = diskfree(direc)
 %% diskfree(direc)
 % returns disk free space in bytes
-% example:  diskfree('~')
+% example:  diskfree('/')
 arguments
-  direc (1,1) string
+  direc (1,1) string {mustBeFolder}
 end
 
-direc = stdlib.fileio.expanduser(direc);
-
-assert(isfolder(direc), '%s is not a folder', direc)
-
 freebytes = java.io.File(direc).getUsableSpace;
 
 end

+stdlib/+test/TestIntg.m

@@ -11,8 +11,8 @@ function test_checkRAM(tc)
 function test_diskfree(tc)
 tc.assumeTrue(usejava("jvm"), "Java required for path_tail")
 
-tc.assertTrue(isnumeric(stdlib.sys.diskfree('~')))
-tc.assertTrue(stdlib.sys.diskfree('~') > 0, 'diskfree')
+tc.assertTrue(isnumeric(stdlib.sys.diskfree('/')))
+tc.assertTrue(stdlib.sys.diskfree('/') > 0, 'diskfree')
 end
 
 function test_memory(tc)

Readme.md

@@ -1,4 +1,4 @@
-# Matlab standard library
+# Standard library for Matlab
 
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