Can someone please help me translate this UNIX script to English? Post: 302797169

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Top Forums Shell Programming and Scripting Can someone please help me translate this UNIX script to English? Post 302797169 by thedunnyman on Monday 22nd of April 2013 02:13:53 AM

04-22-2013

Registered User

Can someone please help me translate this UNIX script to English?

Hi guys,

I'm trying to create a DataStage job and I'm basing it off an existing similar project.

The 'Input' value of the job is:

Quote:

cd /DATA/CSV_FILES; for i in *.csv ; do if [ -f "$i" ]; then sed "s/^/$i,/" "$i" > temp ; sed 's/.*/&,/' temp >temp2 ; fi ; cat temp2 ; done > output.txt; rm -f temp*

(where "/DATA/CSV_FILES" is where all the files were located)

My understanding is that for each CSV, it added the 'filename' as Column A. And then it joined all the CSV files together and created a single output.txt file.

I've copied everything that this job did - only that my CSVs are slightly different. Unfortunately when I run the job, it does not work and tells me that 'output.txt' is not in the folder. So I'm guessing I need to tweak this UNIX code a bit to suit my needs.

Problem is I don't understand it. Is anyone out there possible to give me some guidance on how to do this? (or better yet, translate it to English please? Smilie

)

Kind regards

thedunnyman

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LEARN ABOUT DEBIAN

qmsg

qmsg(1B)								PBS								  qmsg(1B)

NAME

       qmsg - send message to pbs batch jobs

SYNOPSIS

       qmsg [-E] [-O] message_string job_identifier ...

DESCRIPTION

       To  send  a  message  to  a  job is to write a message string into one or more output files of the job.	Typically this is done to leave an
       informative message in the output of the job.

       The qmsg command writes messages into the files of jobs by sending a Message Job batch request to the batch server that owns the job.   The
       qmsg command does not directly write the message into the files of the job.

OPTIONS

       -E	      Specifies that the message is written to the standard error of each job.

       -O	      Specifies that the message is written to the standard output of each job.

       If neither the -E nor the -O option is specified, the message will be written to the standard error of the job.

OPERANDS

       The  first  operand, message_string, is the message to be written.  If the string contains blanks, the string must be quoted.  If the final
       character of the string is not a newline, a newline character will be added when written to the job's file.

       All following operands are job_identifiers which specify the jobs to receive the message string.  The qmsg  command  accepts  one  or  more
       job_identifier operands of the form:
	   sequence_number[.server_name][@server]

STANDARD ERROR

       The qmsg command will write a diagnostic message to standard error for each error occurrence.

EXIT STATUS

       Upon successful processing of all the operands presented to the qmsg command, the exit status will be a value of zero.

       If the qmsg command fails to process any operand, the command exits with a value greater than zero.

SEE ALSO

       qsub(1B), pbs_msgjob(3B)

Local																	  qmsg(1B)