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Top Forums Shell Programming and Scripting Script to validate header in a csv file Post 303018868 by heye18 on Monday 18th of June 2018 03:09:45 AM
Old 06-18-2018
RudiC, I tried to write below code, but not able write the logic how to check below columns with header file columns.

Code:
TRX #    TYPE    REF #    Source Piece Code    Destination Piece Code

Code:
cd $MOUNT_DIR 
for file in $(ls ${MOUNT_DIR}/Test*.txt)
do
    file_name=$(basename $file)
    echo $name
    chmod -R 777 $MOUNT_DIR$name
    match_header=awk NR==1 $file_name
    echo "the header file from the input file is" $match_header
    
    if [ comm $match_header =] ** not able the script how to compare the header columns to mentioned columns **
    then
        echo $name:"Header file mismatch, terminate the flow " >> $JOB_LOG
        exit 1
    else
        echo $name:"Header file match, We can process this file " >> $JOB_LOG
    fi
done

---------- Post updated at 02:09 AM ---------- Previous update was at 01:58 AM ----------

rovf, Sorry for confusion. it was txt file (I have edited the post).

Desired columns (A): TRX # TYPE REF # Source Piece Code

columns we get from header file (B): TRX # TYPE *** # Source Piece Code

if columns from header file doesn't matches to Desired columns then it need to through terminate exit 1. else process the file




Moderator's Comments:
Mod Comment Please use CODE tags as required by forum rules!

Last edited by RudiC; 06-18-2018 at 04:51 AM.. Reason: Added CODE tags.
 

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COLUMN(1)						    BSD General Commands Manual 						 COLUMN(1)

NAME
column -- columnate lists SYNOPSIS
column [-tx] [-c columns] [-s sep] [file ...] DESCRIPTION
The column utility formats its input into multiple columns. Rows are filled before columns. Input is taken from file operands, or, by default, from the standard input. Empty lines are ignored. The options are as follows: -c Output is formatted for a display columns wide. -s Specify a set of characters to be used to delimit columns for the -t option. -t Determine the number of columns the input contains and create a table. Columns are delimited with whitespace, by default, or with the characters supplied using the -s option. Useful for pretty-printing displays. -x Fill columns before filling rows. ENVIRONMENT
The COLUMNS, LANG, LC_ALL and LC_CTYPE environment variables affect the execution of column as described in environ(7). EXIT STATUS
The column utility exits 0 on success, and >0 if an error occurs. EXAMPLES
(printf "PERM LINKS OWNER GROUP SIZE MONTH DAY " ; printf "HH:MM/YEAR NAME " ; ls -l | sed 1d) | column -t SEE ALSO
colrm(1), ls(1), paste(1), sort(1) HISTORY
The column command appeared in 4.3BSD-Reno. BUGS
Input lines are limited to LINE_MAX (2048) bytes in length. BSD
July 29, 2004 BSD
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