dos中一些常用命令的errorlevel返回值

attrib.exe
(a) target file/folder not found                    = errorlevel 1
(b) invalid switch                                  = errorlevel 1
(c) sharing violation (target file in use)          = errorlevel 1
(d) invalid drive specification                     = errorlevel 1
(e) drive not ready (either abort or fail reply)    = errorlevel 1
(f) invalid/wrong number of parameters              = errorlevel 1

extract.exe
(a) invalid switch                                  = errorlevel 1

fc.exe
(a) insufficient number of filespecs                = errorlevel 1
(b) too many filenames on command line              = errorlevel 1
(c) sharing violation + abort reply                 = errorlevel 5
     (note: fail reply returns errorlevel 0)
(d) drive not ready                                 = errorlevel 18
     (note: fail reply returns errorlevel 0)

find.exe
(a) target string found    (=f0und)                  = errorlevel 0
(b) target string missing (=m1ssing)                = errorlevel 1
(c) find /?                                         = errorlevel 1
(d) parameter format not correct                    = errorlevel 2
(e) specified file to search not found              = errorlevel 2
(f) specified file in use + fail reply              = errorlevel 2
(g) drive not ready + fail reply                    = errorlevel 2
(h) specified file in use + abort reply             = errorlevel 5
(i) drive not ready + abort reply                   = errorlevel 5

format.com
(a) drive not ready                                 = errorlevel 4
     (there is no abort, retry, fail stall)

ftp.exe
(a) brief help (use: ftp -h for brief help)         = errorlevel 2
(b) error opening script file (file missing)        = errorlevel 2
(c) invalid switch                                  = errorlevel 2

more.com
(a) invalid switch (more doesn't accept switches)   = errorlevel 1
(b) drive not ready (abort reply)                   = errorlelel 5
     (note: fail reply returns errorlevel 0)

move.exe
(a) required parameter missing                      = errorlevel 1
(b) unable to create destination                    = errorlevel 1
(c) unable to open source                           = errorlevel 1
     (you see this when trying to move a folder from one drive
      to another. you need to use xcopy /s followed by deltree,
      since move won't handle folder moves across drives)
(d) sharing violation + fail reply                  = errorlevel 1
     (note: file is nevertheless copied, not moved, in this case)
(e) sharing violation + abort reply                 = errorlevel 5
     (note: file is nevertheless copied, not moved, in this case)
(f) drive not ready (abort reply)                   = errorlevel 18
     (note: fail reply - unusually - returns errorlevel 1)

ping.exe
(a) unknown host                                    = errorlevel 1
     (usually=name not found on domainnameserver)
(b) brief help (with no parameter)                  = errorlevel 1
note: for ping brief help with /? switch, errorlevel is 0
(c) invalid switch                                  = errorlevel 1
     (and displays the brief help as well)
(d) interrupted with [ctrl-c]                       = errorlevel 255

sort.exe
(a) invalid switch                                  = errorlevel 1
(b) drive not ready (abort reply)                   = errorlevel 15
     (note: fail reply returns errorlevel 0)

start.exe
(a) start /? (real mode)                            = errorlevel 1
(b) start /? (gui)                                  = errorlevel 255
(c) can't find file specified for start             = errorlevel 255
(d) no file association for specified file          = errorlevel 255
(e) drive not ready                                 = errorlevel 255
     (there is no abort, retry, fail stall)

subst.exe
(a) invalid parameter                               = errorlevel 1
(b) invalid switch                                  = errorlevel 1
(c) path not found                                  = errorlevel 1
(d) drive not ready (abort reply)                   = errorlevel 21
     (note: fail reply - unusually - returns errorlevel 1)

tracert.exe
(a) unable to resolve target system name            = errorlevel 1
     (usually=name not found on domainnameserver)
(b) invalid switch                                  = errorlevel 1
(c) brief help (no parameter)                       = errorlevel 1
(d) interrupted with [ctrl-c]                       = errorlevel 255
note: for tracert brief help, type command without parameters

xcopy.exe
(a) file not found                                  = errorlevel 1
(b) invalid date in /d switch                       = errorlevel 4
(c) invalid number of parameters                    = errorlevel 4
(d) invalid parameter                               = errorlevel 4
(e) device not ready                                = errorlevel 4
(f) unable to create directory                      = errorlevel 4
(g) system can't find file                          = errorlevel 5
     (this occurs when device such as nul is used as source file)