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Contact Us Post Here to Contact Site Administrators and Moderators How to Post in the The UNIX and Linux Forums How to run the files in Linux shell scipt? Post 303009698 by pavand on Monday 18th of December 2017 04:21:21 PM
Old 12-18-2017
How to run the files in Linux shell scipt?

I have a homework and I tried to work on this but unable to find the solution. Can someone help me how to resolve the issue.

I have a package file and it contains text file as prod.ame300_000001.101414145111.A.txt.
In the text file it contains pdf file (222222222|ZRF|2008.pdf|2008|01/29/2009|001|B|C|C)

Step1:
I have to check the index file is for A file or B file.

Step 2:
Read the first line of the original index file.

Step 3:
Read the 9th character of the line and check if the character is “|” or not

Step 4:
Based on the above, if it is “|”, it means the package is for A file, if not, it is for B file.

Step5:
Create a variable named “isA” and assign “true” or “false” value based on the above condition.



Please find the below code I have tried:
if [ -f "$indexFile" ]
then
echo "A"$indexFile" exist."
FIRSTLINE=`head -n 1 $indexFile

while read -r line
do
id = cut -c 9 $FIRSTLINE
echo $id
done < "$indexFile"

else
echo "A" $indexFile" does not exist"
 

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OPENVT(1)                                                            Linux 1.x                                                           OPENVT(1)

NAME
openvt - start a program on a new virtual terminal (VT). SYNOPSIS
openvt [-c vtnumber] [OPTIONS] [--] command DESCRIPTION
openvt will find the first available VT, and run on it the given command with the given command options, standard input, output and error are directed to that terminal. The current search path ($PATH) is used to find the requested command. If no command is specified then the environment variable $SHELL is used. OPTIONS -c, --console=VTNUMBER Use the given VT number and not the first available. Note you must have write access to the supplied VT for this to work; -f, --force Force opening a VT without checking whether it is already in use; -e, --exec Directly execute the given command, without forking. This option is meant for use in /etc/inittab. If you want to use this feature in another context, be aware that openvt has to be a session leader in order for -e to work. See setsid(2) or setsid(1) on how to achieve this. -s, --switch Switch to the new VT when starting the command. The VT of the new command will be made the new current VT; -u, --user Figure out the owner of the current VT, and run login as that user. Suitable to be called by init. Shouldn't be used with -c or -l; -l, --login Make the command a login shell. A - is prepended to the name of the command to be executed; -v, --verbose Be a bit more verbose; -w, --wait wait for command to complete. If -w and -s are used together then openvt will switch back to the controlling terminal when the com- mand completes; -V, --version print program version and exit; -h, --help show this text and exit. -- end of options to openvt. NOTE
If openvt is compiled with a getopt_long() and you wish to set options to the command to be run, then you must supply the end of options -- flag before the command. EXAMPLES
openvt can be used to start a shell on the next free VT, by using the command: openvt bash To start the shell as a login shell, use: openvt -l bash To get a long listing you must supply the -- separator: openvt -- ls -l HISTORY
Earlier, openvt was called open. It was written by Jon Tombs <jon@gtex02.us.es or jon@robots.ox.ac.uk>. The -w idea is from "sam". SEE ALSO
chvt(1), doshell(8), login(1) 19 Jul 1996 V1.4 OPENVT(1)
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