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Full Discussion: Exit code from piping in unix shell script
Top Forums Shell Programming and Scripting Exit code from piping in unix shell script Post 302653023 by sonu_pal on Friday 8th of June 2012 09:26:23 AM
Old 06-08-2012
Yes it need the pipeline ,because it is making our process faster,

We are basically looking for error exit status after each command . Actually when we are running the script our job is not capturing the failed exit status code after each command. while running whole of the process and it is giving status exit code 0

For example I have changed the setting file '

tranfrmr_p6.stx' and there is some syntax error or suppose i have changed the input file name in the file
than process should get exited with error code,but successor get run.

Please find the snapshot shot of log when the process is running .

Quote:
STEP : p6_tranfrmr_log.txt
--------------------------------------
Fri Jun 8 06:23:29 2012 - Opening Transformer process.


----------------------------------------
STEP : p7_srtforrl_log.txt
--------------------------------------
Fri Jun 8 06:23:29 2012 - Opening TSQSORT process.
Fri Jun 8 06:23:34 2012 - Closing TSQSORT process.

--------------------------------------------
In above case STEP :P6 is not able to process the input file so it skipped and moved the next sucessor process
STEP : p7_srtforrl

Also please find the content of the setting file (tranfrmr_p6.stx) .
Please find top and last content as it is a very long xml code
Quote:
<CATEGORY>

<INPUT>
<PARAMETER>
<INPUT_SETTINGS>
<ARGUMENTS>
<ENTRY>
<ENTRY_ID>1</ENTRY_ID>
<FILE_QUALIFIER>us_winkey_p6</FILE_QUALIFIER>
<DATA_FILE_NAME>stdin</DATA_FILE_NAME>
<DDL_FILE_NAME>$(DDL)/us_winkey_p5.ddx</DDL_FILE_NAME>
<FILE_DELIMITER/>
<USE_QUOTES_AS_QUALIFIER/>

/ ** Long XML code */

</OUTPUT>
<PROCESS>
<PARAMETER>
<PROCESS_SETTINGS>
<ARGUMENTS>
<PROCESS_LOG_FILE_NAME>$(LOGS)/p6_tranfrmr_log.txt</PROCESS_LOG_FILE_NAME>
<ENABLE_DEBUG_OUTPUT>0</ENABLE_DEBUG_OUTPUT>
<DEBUG_FILE_NAME>$(DEBUG)/p6_tranfrmr_debug.txt</DEBUG_FILE_NAME>
<MASK_FILE_NAME>$(GENERAL_RESOURCES)/maskfile$(PLAFEXT)</MASK_FILE_NAME>
<STRSUB_TABLE_FILE_NAME>$(GENERAL_RESOURCES)/strsub$(PLAFEXT)</STRSUB_TABLE_FILE_NAME>
</ARGUMENTS>
</PROCESS_SETTINGS>
</PARAMETER>
</PROCESS>
<STATISTICS>
<PARAMETER>
<STATISTICS_SETTINGS>
<ARGUMENTS>
<STATS_FILE_NAME>$(STATS)/p6_tranfrmr_stats.txt</STATS_FILE_NAME>
</ARGUMENTS>
</STATISTICS_SETTINGS>
</PARAMETER>
</STATISTICS>
</CATEGORY>

</TRANFRMR>
 

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LEARN ABOUT REDHAT

unix2dos

unix2dos(1)						      General Commands Manual						       unix2dos(1)

NAME

       unix2dos - UNIX to DOS text file format converter

SYNOPSYS

       unix2dos [options] [-c convmode] [-o file ...] [-n infile outfile ...]

       Options:

       [-hkqV] [--help] [--keepdate] [--quiet] [--version]

DESCRIPTION

       This manual page documents unix2dos, the program that converts text files in UNIX format to DOS format.

OPTIONS

       The following options are available:

       -h --help
	      Print online help.

       -k --keepdate
	      Keep the date stamp of output file same as input file.

       -q --quiet
	      Quiet mode. Suppress all warning and messages.

       -V --version
	      Prints version information.

       -c --convmode convmode
	      Sets conversion mode. Simulates unix2dos under SunOS.

       -o --oldfile file ...
	      Old file mode. Convert the file and write output to it. The program default to run in this mode. Wildcard names may be used.

       -n --newfile infile outfile ...
	      New  file  mode.	Convert the infile and write output to outfile. File names must be given in pairs and wildcard names should NOT be
	      used or you WILL lost your files.

EXAMPLES

       Get input from stdin and write output to stdout.

	      unix2dos

       Convert and replace a.txt. Convert and replace b.txt.

	      unix2dos a.txt b.txt

	      unix2dos -o a.txt b.txt

       Convert and replace a.txt in ASCII conversion mode.  Convert and replace b.txt in ISO conversion mode.

	      unix2dos a.txt -c iso b.txt

	      unix2dos -c ascii a.txt -c iso b.txt

       Convert and replace a.txt while keeping original date stamp.

	      unix2dos -k a.txt

	      unix2dos -k -o a.txt

       Convert a.txt and write to e.txt.

	      unix2dos -n a.txt e.txt

       Convert a.txt and write to e.txt, keep date stamp of e.txt same as a.txt.

	      unix2dos -k -n a.txt e.txt

       Convert and replace a.txt. Convert b.txt and write to e.txt.

	      unix2dos a.txt -n b.txt e.txt

	      unix2dos -o a.txt -n b.txt e.txt

       Convert c.txt and write to e.txt. Convert and replace a.txt.  Convert and replace b.txt. Convert d.txt and write to f.txt.

	      unix2dos -n c.txt e.txt -o a.txt b.txt -n d.txt f.txt

DIAGNOSTICS

BUGS

       The program does not work properly under MSDOS in stdio processing mode.  If you know why is that so, please tell me.

AUTHOR

       Benjamin Lin - ( blin@socs.uts.edu.au )

MISCELLANY

       Tested environment:

	      Linux 1.2.0 with GNU C 2.5.8

	      SunOS 4.1.3 with GNU C 2.6.3

	      MS-DOS 6.20 with Borland C++ 4.02

       Suggestions and bug reports are welcome.

SEE ALSO

       dos2unix(1)

1995.03.31							   unix2dos v2.2						       unix2dos(1)
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