TechQA.

Question

Why is the exit code always 0 inside handle_exit and how to distinguish error from success?

score 91 · Answer 1 · 2023-07-28T10:34:34.327000

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Why is the exit code always 0 inside handle_exit and how to distinguish error from success?

91 views Asked by PirateApp At 28 July 2023 at 10:34

score 601 · Answer 2 · 2020-12-29T07:48:36.360000

Why may USR1 signals sent from background jobs in a Bash script not be reliably received by the parent shell process waiting for their completion?

score 2173 · Answer 3 · 2020-12-23T07:55:21.617000

How to trap on exit 1 only in bash

2.1k views Asked by Simon Ernesto Cardenas Zarate At 23 December 2020 at 07:55

score 56 · Answer 4 · 2020-12-12T18:20:51.353000

How can we get back in the right place (that we specify) after signal?

56 views Asked by CheeseMan At 12 December 2020 at 18:20

score 137 · Answer 5 · 2020-12-07T03:38:08.887000

redirecting stderr to err function

137 views Asked by mikee At 07 December 2020 at 03:38

score 436 · Answer 6 · 2020-11-24T17:50:07.307000

How to run a closing script when issuing docker-compose stop or crtl-c

436 views Asked by alanwilter At 24 November 2020 at 17:50

score 582 · Answer 7 · 2020-11-23T12:54:03.570000

Run a cleanup script when stopping a Docker container

582 views Asked by Standard At 23 November 2020 at 12:54

score 973 · Answer 8 · 2020-11-16T04:47:00.653000

In bash shell -E option explanation, what does "any trap inherited by a subshell environment" mean?

973 views Asked by Chan Kim At 16 November 2020 at 04:47

score 738 · Answer 9 · 2020-11-07T13:56:34.700000

Trap Command not detecting terminal resize (SIGWINCH)

738 views Asked by Quantum At 07 November 2020 at 13:56

score 295 · Answer 10 · 2020-11-04T14:42:49.940000

Why is trap in bash throwing an error when empty variable is assigned

295 views Asked by pieterjanvc At 04 November 2020 at 14:42

score 162 · Answer 11 · 2020-10-30T21:13:13.820000

Bash: Get message from error that was just trapped

162 views Asked by vastlysuperiorman At 30 October 2020 at 21:13

score 210 · Answer 12 · 2020-10-12T19:32:39.357000

Trap signal SIGXFSZ not working when using ulimit -f

210 views Asked by Noam perel At 12 October 2020 at 19:32

score 870 · Answer 13 · 2020-10-06T01:45:53.220000

Trap bash errors from child script

870 views Asked by Vivek Maran At 06 October 2020 at 01:45

score 91 · Answer 14 · 2020-09-19T18:20:02.463000

bash trap ctrl c and continue to next function

91 views Asked by Anubhav At 19 September 2020 at 18:20

score 223 · Answer 15 · 2020-09-17T22:40:13.640000

Capture the error stream of a line of code and report it with trap while keeping the stdout untouched

223 views Asked by pieterjanvc At 17 September 2020 at 22:40

score 1057 · Answer 16 · 2020-08-25T13:11:49.290000

bash trap EXIT $LINENO always 1

1k views Asked by Darren Ng At 25 August 2020 at 13:11

score 702 · Answer 17 · 2020-08-11T22:26:16.473000

Trap signals both in script and subshells

702 views Asked by Teodoro At 11 August 2020 at 22:26

score 677 · Answer 18 · 2020-08-09T15:00:51.047000

How can we prevent CTRL-C from screen terminating?

677 views Asked by Phindau At 09 August 2020 at 15:00

score 118 · Answer 19 · 2020-07-29T21:30:30.720000

In a bash read loop, processing ! (exclamation) and trapping CTRL-Z

118 views Asked by Prasun Dewan At 29 July 2020 at 21:30

score 59 · Answer 20 · 2020-07-23T12:55:42.663000

Is it possible to use Bash history expansion inside the trap command?

59 views Asked by Davi At 23 July 2020 at 12:55

TechQA.

List Question

Why is the exit code always 0 inside handle_exit and how to distinguish error from success?

Why may USR1 signals sent from background jobs in a Bash script not be reliably received by the parent shell process waiting for their completion?

How to trap on exit 1 only in bash

How can we get back in the right place (that we specify) after signal?

redirecting stderr to err function

How to run a closing script when issuing docker-compose stop or crtl-c

Run a cleanup script when stopping a Docker container

In bash shell -E option explanation, what does "any trap inherited by a subshell environment" mean?

Trap Command not detecting terminal resize (SIGWINCH)

Why is trap in bash throwing an error when empty variable is assigned

Bash: Get message from error that was just trapped

Trap signal SIGXFSZ not working when using ulimit -f

Trap bash errors from child script

bash trap ctrl c and continue to next function

Capture the error stream of a line of code and report it with trap while keeping the stdout untouched

bash trap EXIT $LINENO always 1

Trap signals both in script and subshells

How can we prevent CTRL-C from screen terminating?

In a bash read loop, processing ! (exclamation) and trapping CTRL-Z

Is it possible to use Bash history expansion inside the trap command?

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