dir: directory utilities

dir

directory listings

y. = dos file specification:
     if empty, defaults to *.*

x. is optional:
   - if not given, defaults to 'n'
   - if character, returns a formatted directory,
       where x. is the sort option:
         d=by date
         n=by name
         s=by size
   - if numeric, there are 1 or 2 elements:
         0{  0= list short names
             1= boxed list of full pathnames
             2= full directory list
         1{  0= filenames only (default)
             1= include subdirectories

subdirectories are shown first
filenames are returned in lower case

e.g.  dir ''
      1 dir 'system\main\d*.ijs'

dircompare

compare files in directories

form: [opt] dircompare dirs

  dirs = directory names
  opt is optional, with up to three elements:
    0{  =0 short file comparison (default)
        =1 long file comparison
    1{  =0 given directory only (default)
        =1 recurse through subdirectories
    2{  =0 file contents only (default)
        =1 also compare timestamps

e.g.  dircompare 'main \jbak\main'

returns text result or error message

dirfind

find name in directory
find name in directory

form: string dirfind directory

returns filenames in directory tree containing string

e.g. 'jfile' dirfind 'packages'

dirpath

directory paths
return directory paths starting from y.
optional x.=0  all paths (default)
            1  non-empty paths (i.e. having files)
e.g. dirpath 'examples'

dirs

browse files in directory
e.g.  dirs 'system\main\*.ijs'

dirss

directory string search

form: string dirss directory

searches for files in directory tree containing string,
returning formatted display where found.

e.g. 'create' dirss 'main'

If x. is a 2-element boxed list, calls dirssrplc

dirssrplc

directory string search and replace
form: (old;new) dirssrplc files
example:
   ('old';'new') dirssrplc 'system\main\*.ijs'

dirtree

get filenames in directory tree
return filenames in directory tree as boxed matrix
optional x. is a timestamp to exclude earlier files
each row contains:  filename;timestamp;size
e.g.  dirtree ''
      dirtree 'main'
      dirtree 'system\packages\*.ijs'
1997 5 23 dirtree ''   - files dated on or after date.
directory search is recursive through subdirectories
filenames are returned in lower case