Shell script to assign each column value as a variable

Consider a txt file with two columns and many rows.

You may want to write a script which will take each column values in each row as variables

Then you can use the following script.



#!/bin/bash
cat text.txt | while read line;
do
var1=$(echo $line| awk '{print $1}')
var2=$(echo $line| awk '{print $2}')
done

bash script to extract and join pdf files

Here is a script which will take out the last page from a pdf file and attache it to a template pdf file.

The requirement are ghostscript and xpdf-utils.


#!/bin/bash
for i in `ls *.pdf`
do
pdfinfo -meta $i | grep -i pages
count=$(pdfinfo -meta $i | grep -i pages |cut -d ":" -f2| tr -d " ")
gs -sDEVICE=pdfwrite -dNOPAUSE -dBATCH -dSAFER \
-dFirstPage=$count -dLastPage=$count \
-sOutputFile=lastpage.$i $i
gs -sDEVICE=pdfwrite -dNOPAUSE -dBATCH -dSAFER \
-sOutputFile=finished.$i template.pdf lastpage.$i
done
echo "converted files successfully"

Batch migration using imap sync

The following script reads the variables id and pass, which are in passtest.txt file in single line with a whitespace to separate,

and
sync the mailboxes from google app mail server to a zimbra mail server

while IFS=" " read id pass;
do
imapsync --syncinternaldates --useheader 'Message-Id' \
--host1 imap.googlemail.com --user1 $id@zimbraserver.in \
--password1 $pass --ssl1 \
--host2 mail.zimbraserver.in \
--port2 993 --user2 $id@zimbraserver.in \
--password2 $pass --ssl2 \
--authmech1 LOGIN --authmech2 LOGIN
done < passtest.txt