Diff command stops the execution of the shell-script

Asked Dec 04 '18 at 10:04

Active Dec 04 '18 at 10:04

Viewed 532 times

I'm creating a script to compare two directories:

    for qa_branch in $QA_BRANCHES
    do
        exist_px=false
        info "1qa: $qa_branch"

        for px_branch in $PX_BRANCHES
        do
            info "2px: $px_branch"
            if [ "$qa_branch" = "$px_branch" ]; then
                exist_px=true

                cd test1
                checkout_branch "$qa_branch" || error "branch does not exist"
                cd ..

                cd test2    
                checkout_branch "$px_branch" || error "branch does not exist"
                cd ..

                echo
                info "compare_branches QA: $qa_branch with PX: $px_branch"
                diff -r --exclude=".*" test1/  test2/ 
                info "########################################################################"
            fi
        done
        info $exist_px
        echo
    done

When the execution reaches the diff command it stops and the execution of the script does not continue. How can i fix this?

The idea is to capture the differences and send them by email.

Thank you!

asked Dec 04 '18 at 10:04

Xavier

"Stops" as in taking a long time? Obviously comparing a lot of identical files will take time and not produce any output. – tripleee Dec 04 '18 at 10:10
The execution directly ends in the first comparison and the last line (info "#############...) is not printed. – Xavier Dec 04 '18 at 10:16
So the script exits and you are back at the prompt? Or it hangs but you are somehow sure it's not still comparing something? – tripleee Dec 04 '18 at 10:18
Exactly, the script exits and I'm back at the prompt. – Xavier Dec 04 '18 at 10:21
Do you have `set -e` in the parts you are not showing? – tripleee Dec 04 '18 at 10:26
I have this configuration: `set -o errexit set -o nounset` – Xavier Dec 04 '18 at 11:28
That's why it exits then, probably even bofore running `diff`. With `errexit` aka `set -e` you have to understand and handle the return status from every single command you run. – tripleee Dec 04 '18 at 11:36
Possible duplicate of https://stackoverflow.com/questions/19622198/what-does-set-e-mean-in-a-bash-script – tripleee Dec 04 '18 at 11:39
Thank you very much. That was the problem! – Xavier Dec 05 '18 at 09:08

Diff command stops the execution of the shell-script

0 Answers0