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4DOS Tips
You can invoke Windows program with CALL - the batch file will wait for it's
return (same effect as with Start /wait).
If you need to check whether directory is truly empty, IF EXIST *.*
will not work - it only checks for files (not subdirs). However,
IF "%@FINDFIRST[*.*]"=="" will do exactly what you need!
New feature in 4DOS 5.52:
Line numbers are now shown in batch file error messages - damned
useful!
Some commands run noticeably faster if their output is
redirected to NUL. ATTRIB, for example.
F7 or C-TAB shows list of exacutable files and subdirs - pick one
and run/CD.
When batch file uses ECHO %gt FILE, file remains open until
batch terminates.
CDD works with CDPATH.
/N flag in DEL/MOVE/COPY command can be used to see if wildcard
expands as you expected.
^D works in regular cmdline, not only in hist window.
There can be no comments within command group ( ).
4DOS can be used as Windows95 command processor - just
add WIN at the end of AUTOEXEC.
^K is 'add to history' key
4DOS 5 includes INC[] and DEC[] functions.
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