1# @Language: Markdown
2# @Software: VS Code/MacDown/Typora/Vim
3# @Author  : Di Wang
4# @Email   : [email protected]

provided shell commands in 7.0.8:

 1epics> help
 2#               ClockTime_Report                asDumpHash      asInit
 3asSetFilename   asSetSubstitutions              ascar           asdbdump
 4asphag          aspmem          asprules        aspuag          astac
 5callbackParallelThreads         callbackQueueShow
 6callbackSetQueueSize            casr            cd              coreRelease
 7date            dbCreateAlias   dbDumpBreaktable                dbDumpDevice
 8dbDumpDriver    dbDumpField     dbDumpFunction  dbDumpLink      dbDumpMenu
 9dbDumpPath      dbDumpRecord    dbDumpRecordType
10dbDumpRegistrar dbDumpVariable  dbLoadDatabase  dbLoadGroup     dbLoadRecords
11dbLoadTemplate  dbLockShowLocked                dbNotifyDump    dbPutAttribute
12dbPvdDump       dbPvdTableSize  dbReportDeviceConfig            dbStateClear
13dbStateCreate   dbStateSet      dbStateShow     dbStateShowAll  dba
14dbap            dbb             dbc             dbcar           dbd
15dbel            dbgf            dbgl            dbgrep          dbhcr
16dbior           dbjlr           dbl             dbla            dbli
17dblsr           dbnr            dbp             dbpf            dbpr
18dbpvar          dbs             dbsr            dbstat          dbtgf
19dbtpf           dbtpn           dbtr            dlload          echo
20eltc            epicsEnvSet     epicsEnvShow    epicsEnvUnset
21epicsMutexShowAll               epicsParamShow  epicsPrtEnvParams
22epicsThreadResume               epicsThreadShow epicsThreadShowAll
23epicsThreadSleep                errlog          errlogInit      errlogInit2
24exit            generalTimeReport               gft             help
25installLastResortEventProvider  iocBuild        iocInit         iocLogInit
26iocLogPrefix    iocLogShow      iocPause        iocRun          iocshCmd
27iocshLoad       iocshRun        on              pft             postEvent
28pval            pvasr           pwd             refdiff         refmon
29refsave         refshow         registerAllRecordDeviceDrivers
30registryDeviceSupportFind       registryDriverSupportFind       registryDump
31registryFunctionFind            registryRecordTypeFind
32scanOnceQueueShow               scanOnceSetQueueSize            scanpel
33scanpiol        scanppl         setIocLogDisable
34softIocPVA_registerRecordDeviceDriver           startPVAServer  stopPVAServer
35system          taskwdShow      tpn             var
36
37Type 'help <command>' to see the arguments of <command>.  eg. 'help db*'

#

Note that, trailing comment does not work as you thought inside iocsh. if you run command like outputWhenHigherThan(12, 10) # output 10 when value > 12, do not be too surprised with the result.

 1epics> help #
 2
 3# newline-terminated comment
 4epics> echo #123
 5#123
 6epics> echo # 123
 7#
 8epics> echo # echo 123 > test.log
 9epics> system "cat test.log"
10#

1epics> as
2asDumpHash          asSetFilename       ascar               asphag              asprules
3astac               asInit              asSetSubstitutions  asdbdump            aspmem
4aspuag
  • dba, db address
  • dbla, db list alias
  • dbl, db list
  • dbgrep, db search
  • dbgf
  • dbpf
  • dbpr
  • dbtr, process record and print record
  • dbnr, print number of records
  • dbb, set breakpoint
  • dbd, delete breakpoint
  • dbs, single step
  • dbc, continue
  • dbp, print suspended record
  • dbap, auto print record that has a breakpoint when processed
  • dbstat, print list of suspended records, and breakpoints set in locksets
 1# db address
 2epics> dba calc
 3Record Address: 0x5598f77c66f0 Field Address: 0x5598f77c69a0 Field Description: 0x5598f7752290
 4   No Elements: 1
 5   Record Type: calc
 6    Field Type: 10 = DBF_DOUBLE
 7    Field Size: 8
 8       Special: 0
 9DBR Field Type: 10 = DBR_DOUBLE
10epics> dbCreateAlias pdbbase calc clac:alias
11epics> dbla
12clac:alias -> calc
13epics> dbtr ai
14ACKS: MINOR         ACKT: YES           ADEL: 0             AFTC: 0
15AFVL: 0             ALST: 13            AMSG:               AOFF: 0
16ASG : private       ASLO: 1             BKPT: 00            DESC:
17DISA: 0             DISP: 0             DISS: NO_ALARM      DISV: 1
18DTYP: Soft Channel  EGU :               EGUF: 0             EGUL: 0
19EOFF: 0             ESLO: 1             EVNT:               FLNK: CONSTANT
20HHSV: MAJOR         HIGH: 80            HIHI: 90            HOPR: 0
21HSV : MINOR         HYST: 1             INIT: 0             INP : CONSTANT
22LALM: 20            LBRK: 0             LCNT: 0             LINR: NO CONVERSION
23LLSV: MAJOR         LOLO: 10            LOPR: 100           LOW : 20
24LSV : MINOR         MDEL: 0             MLST: 13            NAME: ai
25NAMSG:              NSEV: NO_ALARM      NSTA: NO_ALARM      ORAW: 0
26PACT: 0             PHAS: 0             PINI: RUNNING       PREC: 3
27PRIO: LOW           PROC: 0             PUTF: 0             ROFF: 0
28RPRO: 0             RVAL: 0             SCAN: Passive       SDIS: CONSTANT
29SDLY: -1            SEVR: MINOR         SIML: CONSTANT      SIMM: NO
30SIMS: NO_ALARM      SIOL: JSON_LINK {const: 3.14159}        SMOO: 0
31SSCN: 65535         STAT: LOW           SVAL: 3.14159
32TIME: 2024-05-25 13:20:57.409527694     TPRO: 0             TSE : 0
33TSEL: CONSTANT      UDF : 0             UDFS: INVALID       UTAG: 0
34VAL : 13

error log

  • eltc, Control display of error log messages on console
  • errlog, Send a message to the log server
  • errlogInit, errlogInit2
  • dbior
  • dbhcr
  • scanOnceQueueShow
  • scanOnceSetQueueSize
  • scanpel, Print Event Lists
  • scanpiol, Print I/O Event Lists
  • scanppl, Print Periodic Lists
  • generalTimeReport
  • ClockTime_Report
 1epics> help installLastResortEventProvider
 2
 3installLastResortEventProvider
 4
 5Installs the optional Last Resort event provider at priority 999,
 6which returns the current time for every event number
 7epics> help ClockTime_Report
 8
 9ClockTime_Report interest_level
10
11Reports the IOC's OS clock synchronization status:
12  - On VxWorks and RTEMS when synchronized:
13      * Synchronization time provider priority
14      * Initial and last synchronization times
15      * Synchronization interval
16  - Otherwise:
17      * Program start time
  • casr, Channel Access Server Report
  • dbel, prints the Channel Access event list for the specified record
  • dbcar, Shows status of Channel Access links (CA_LINK)
 1epics> casr 4
 2Channel Access Server V4.13
 3No clients connected.
 4CAS-TCP server on 0.0.0.0:5064 with
 5    CAS-UDP name server on 0.0.0.0:5064
 6        Last name requested by 172.29.165.14:43519:
 7        User '', V4.13, Priority = 0, 0 Channels
 8Sending CAS-beacons to 1 address:
 9    172.29.175.255:5065
10Free-lists total 350120 bytes, comprising
11    7 client(s), 512 channel(s), 512 monitor event(s), 0 putNotify(s)
12    16 small (16384 byte) buffers, 4294967295 jumbo (10000024 byte) buffers
13Server resource id table:
14    Bucket entries in use = 0 bytes in use = 32800
15    Bucket entries/hash id - mean = 0.000000 std dev = 0.000000 max = 0
16epics> dbel ai 2
171 PV Event Subscriptions ( monitors ).
18 VAL { VALUE ALARM }, thread=0x7f190c000f60, queue empty
  • pval
  • pvasr
  • refdiff, reference counter
  • refmon
  • refsave
  • refshow
  • dbtgf, test get field; Old: gft
  • dbtpf, test put field; Old: pft
  • dbtpn, test Process notify; Old: tpn
  • dblsr, lock set report
  • dbLockShowLocked

Miscellaneous

  • epicsParamShow
  • epicsPrtEnvParams
  • epicsEnvShow
  • on, ??????? how to use?
  • iocshCmd, run ioc shell command
  • iocshRun, run ioc shell command, with macro
  • iocshLoad, load a file with macro
 1epics> help on
 2
 3on 'error' 'continue' | 'break' | 'wait' [value] | 'halt'
 4
 5Change IOC shell error handling.
 6  continue (default) - Ignores error and continue with next commands.
 7  break - Return to caller without executing futher commands.
 8  halt - Suspend process.
 9  wait - stall process for [value] seconds, then continue.
10epics> on error halt
11Interactive shell ignores  on error ...