tips:Record Locks

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tips:Record Locks

作者:未知时间:2005-09-13 15:43 出处:ChinaUnix.net 责编:My FAQ

摘要：tips:Record Locks

by Barbara Morris

If you are processing records in a primary file and you want to just skip any records that get input errors, you can code an INFSR subroutine for the file. On the ENDSR of the subroutine, code '*GETIN'. That will cause control to go to the part of the cycle that gets the next record.
[code:1:cffb8a82d5]
Fmyfile    ip   e             disk    infsr(myinfsr)
C     myinfsr       begsr
C                   ... file error
C                       endsr     '*GETIN'[/code:1:cffb8a82d5]
If you also want to ignore program errors encountered when processing the data in a record, code a *PSSR subroutine the same way. If you don't have any file-specific processing in your INFSR subroutine, you can use the *PSSR as the INFSR.
[code:1:cffb8a82d5]
Fmyfile    ip   e             disk    infsr(*pssr)
C     *pssr         begsr
C                   ... general error
C                   endsr     '*GETIN'[/code:1:cffb8a82d5]
If you don't always want to just go straight to the next record, you can soft-code the return point on the ENDSR.
[code:1:cffb8a82d5]
Fmyfile    ip   e             disk    infsr(myinfsr)
D infsrEnd        s              6a
D recordLock      c                   1218
C     myinfsr       begsr
C                   eval      infsrEnd = '*CANCL'
C                   if        %status(myfile) = recordLock
C                   eval      infsrEnd = '*GETIN'
C                   endif
C                   endsr     infsrEnd
[/code:1:cffb8a82d5]

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michael9406 回复于：2003-12-31 14:33:38

这么好的贴子是该设为精华了。

yoyoage 回复于：2003-12-31 15:17:31

:oops: 没错，可是 :em06: ，不是原创阿 :em06: 。。。
多谢老大鼓励~

stephenxie2003 回复于：2003-12-31 16:11:13

鼓励鼓励！
:)

riancy1106 回复于：2003-12-31 16:51:31

永远支持

sean810 回复于：2004-01-02 09:21:54

Very Good!

yj2yq 回复于：2004-01-02 09:43:28

支持!大家一起来!

stephenxie2003 回复于：2004-01-02 14:38:34

建议：
用中文也写一下吧！
来个双语版的！

yoyoage 回复于：2004-01-02 15:31:54

有时间写好了再给大家：----我担心的是，英文的海勉强可以看懂，被我一折腾成中文的，就没人看懂了HOHO~

andrewleading_he 回复于：2004-01-03 16:16:23

支持！