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Top Forums Shell Programming and Scripting Bash script to extract paragraph with globs in it Post 302992547 by dsid on Monday 27th of February 2017 09:09:11 AM
Old 02-27-2017
Hi drysdalk,

Getting below error after putting in the original line

Code:
[dsiddiqui@lxserv01 scripts]$ ./para.sh
./para.sh: line 4: /bin/tempfile: No such file or directory
./para.sh: line 10: : No such file or directory
./para.sh: line 22: : No such file or directory
./para.sh: line 22: : No such file or directory
./para.sh: line 22: : No such file or directory
./para.sh: line 22: : No such file or directory
./para.sh: line 22: : No such file or directory
./para.sh: line 22: : No such file or directory
./para.sh: line 22: : No such file or directory
./para.sh: line 22: : No such file or directory
./para.sh: line 22: : No such file or directory
./para.sh: line 22: : No such file or directory
./para.sh: line 22: : No such file or directory
./para.sh: line 22: : No such file or directory
./para.sh: line 22: : No such file or directory
./para.sh: line 22: : No such file or directory
./para.sh: line 22: : No such file or directory
./para.sh: line 22: : No such file or directory
./para.sh: line 22: : No such file or directory
./para.sh: line 22: : No such file or directory
./para.sh: line 22: : No such file or directory
./para.sh: line 22: : No such file or directory
./para.sh: line 22: : No such file or directory
./para.sh: line 13: : No such file or directory
./para.sh: line 22: : No such file or directory
./para.sh: line 10: : No such file or directory
./para.sh: line 22: : No such file or directory
./para.sh: line 22: : No such file or directory
./para.sh: line 22: : No such file or directory
./para.sh: line 22: : No such file or directory
./para.sh: line 22: : No such file or directory
./para.sh: line 22: : No such file or directory
./para.sh: line 22: : No such file or directory
./para.sh: line 22: : No such file or directory
./para.sh: line 22: : No such file or directory
./para.sh: line 22: : No such file or directory
./para.sh: line 22: : No such file or directory
./para.sh: line 22: : No such file or directory
./para.sh: line 22: : No such file or directory
./para.sh: line 22: : No such file or directory
./para.sh: line 22: : No such file or directory
./para.sh: line 22: : No such file or directory
./para.sh: line 13: : No such file or directory
./para.sh: line 22: : No such file or directory
./para.sh: line 10: : No such file or directory
./para.sh: line 22: : No such file or directory
./para.sh: line 22: : No such file or directory
./para.sh: line 22: : No such file or directory
./para.sh: line 22: : No such file or directory
./para.sh: line 22: : No such file or directory
./para.sh: line 22: : No such file or directory
./para.sh: line 22: : No such file or directory
./para.sh: line 22: : No such file or directory
./para.sh: line 22: : No such file or directory
./para.sh: line 22: : No such file or directory
./para.sh: line 22: : No such file or directory
./para.sh: line 22: : No such file or directory
./para.sh: line 22: : No such file or directory
./para.sh: line 22: : No such file or directory
./para.sh: line 22: : No such file or directory
./para.sh: line 22: : No such file or directory
./para.sh: line 22: : No such file or directory
./para.sh: line 22: : No such file or directory
./para.sh: line 22: : No such file or directory
./para.sh: line 22: : No such file or directory
./para.sh: line 22: : No such file or directory
./para.sh: line 13: : No such file or directory
./para.sh: line 22: : No such file or directory
./para.sh: line 10: : No such file or directory
./para.sh: line 22: : No such file or directory
./para.sh: line 22: : No such file or directory
./para.sh: line 22: : No such file or directory
./para.sh: line 22: : No such file or directory
./para.sh: line 22: : No such file or directory
./para.sh: line 22: : No such file or directory
./para.sh: line 22: : No such file or directory
./para.sh: line 22: : No such file or directory
./para.sh: line 22: : No such file or directory
./para.sh: line 22: : No such file or directory
./para.sh: line 22: : No such file or directory
./para.sh: line 22: : No such file or directory
./para.sh: line 22: : No such file or directory
./para.sh: line 22: : No such file or directory
./para.sh: line 22: : No such file or directory
./para.sh: line 22: : No such file or directory
./para.sh: line 13: : No such file or directory
[dsiddiqui@lxserv01 scripts]$

your script
Code:
[dsiddiqui@lxserv01 scripts]$ more para.sh
#!/bin/bash

input=/home/dsiddiqui/basic_bash/example.txt
tmp=`/bin/tempfile`

while read -r line
do
        case "$line" in
                "******* BEGIN MESSAGE *******")
                        echo "$line" > "$tmp"
                        ;;
                "******* END MESSAGE *******")
                        echo "$line" >> "$tmp"

                        if /bin/grep ^Original\ presentment\ Not\ Found\ \!$ "$tmp" >/dev/null 2>/dev/null
                        then
                                /bin/cat "$tmp"
                                echo
                        fi
                        ;;
                *)
                        echo "$line" >> "$tmp"
                        ;;
        esac

done < $input
[dsiddiqui@lxserv01 scripts]$

to your question reg block markers: I did find out, they will remain fixed, but what I was thinking was say -> 'instead of 7 stars at the start of the line, it could be 8, or for that matter, any character any number of times, the only thing consistent would be 'BEGIN MESSAGE' and 'END MESSAGE'. We can also do a check for: if the next line to BEGIN MESSAGE is END MESSAGE -> then it is a block.

Hope I am making sense

Thanks a lot
 

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