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Full Discussion: Trouble reading content of file from a variable
Top Forums Shell Programming and Scripting Trouble reading content of file from a variable Post 302880549 by Ravindra Swan on Friday 20th of December 2013 11:38:39 AM
Old 12-20-2013
Trouble reading content of file from a variable
Hi ,

i have a parameter which has path of a file. Now i need to have another parameter with the content of that file. I tried the belwo script , can any one please help.
I dont want to use cat command to read. Can we do it with out using cat command.
Code:
 while read line
do
DML_FILE_NAME_ORIG1=`echo $line|awk 'BEGIN { FS = "|" } ; {print $1}'`
 
echo "DML_FILE_NAME_ORIG1=$DML_FILE_NAME_ORIG1"
 
DML_FILE_NAME_NEW_MODIFIED=${AI_DML}/testharness_modified.dml
cp $DML_FILE_NAME_ORIG1 ${AI_DML}/testharness_modified.dml
sed -i '/record/r ${AI_BIN}/modift_test_harness.txt' ${AI_DML}/testharness_modified.dml
 
echo "Contents of DML_FILE_NAME_NEW_MODIFIED"
echo `cat $DML_FILE_NAME_NEW_MODIFIED`
done<$AI_BIN/input.txt

Code:
> cat AI_BIN/input.txt
$AI_DML/a.dml
 
> cat $AI_DML/a.dml
include '~$STI_TOOLS_DML/data_quality.dml';
metadata type =
/* DML Generated for SQL: SELECT * FROM cdm_5.FT_ARNGE_CRED_RISK_MTGT_FACT
 * On: Thu Mar 29 06:40:06 2012
 */
record
  decimal("\x01") mth_rpt_perd_dim_id /*INTEGER NOT NULL*/;
  decimal("\x01") core_arnge_dim_id /*INTEGER NOT NULL*/;
end
 
> cat ${AI_BIN}/modift_test_harness.txt
string("\x01") key1 = NULL("");
string("\x01") key2 = NULL("");

Last edited by Ravindra Swan; 12-20-2013 at 12:45 PM.. Reason: content missed
 

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LEARN ABOUT CENTOS

service

service(8)						      System Manager's Manual							service(8)

NAME

       service - run a System V init script

SYNOPSIS

       service SCRIPT COMMAND [OPTIONS]

       service --status-all

       service --help | -h | --version

DESCRIPTION

       service runs a System V init script in as predictable environment as possible, removing most environment variables and with current working
       directory set to /.

       The SCRIPT parameter specifies a System V init script, located in /etc/init.d/SCRIPT.  The  supported  values  of  COMMAND  depend  on  the
       invoked	script,  service  passes  COMMAND and OPTIONS it to the init script unmodified.  All scripts should support at least the start and
       stop commands.  As a special case, if COMMAND is --full-restart, the script is run twice, first with the stop command, then with the  start
       command.

       service --status-all runs all init scripts, in alphabetical order, with the status command.

       If the init script file does not exist, the script tries to use legacy actions.	If there is no suitable legacy action found and COMMAND is
       one of actions specified in LSB Core Specification, input is redirected to the systemctl.  Otherwise the command fails with return code 2.

FILES

       /etc/init.d
	      The directory containing System V init scripts.

ENVIRONMENT

       LANG, TERM
	      The only environment variables passed to the init scripts.

SEE ALSO

       chkconfig(8), ntsysv(8), systemd(1), systemctl(8), systemd.service(5)

								     Jan 2006								service(8)
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