Feb 05, 2020 · Claire is called many things over the course of the Outlander story, but no nickname sticks quite like Sassenach. Here, the books' author Diana Gabaldon explains the origin of the term.
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The reason is that grep command return exit status 1 since data does not contains XXX. So set -euo pipefail causes the bash script to exit immediately. But if it is invoked with: output=$(eval 'Test') echo "output: $output" It produes the following message to stdout: output: test message It seems that set -euo pipefail does not have an effect on eval. So grep command does not cause the bash script to exit.
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Mar 24, 2017 · I think set -u and Set-StrictMode -Version 1.0 are equivalent. I just wrote a set of Powershell scripts for managing an elasticsearch server. Then a few top-level scripts to tie them together.
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set -u set -u affects variables. When set, a reference to any variable you haven't previously defined - with the exceptions of $* and [email protected] - is an error, and causes the program to set -o pipefail This setting prevents errors in a pipeline from being masked. If any command in a pipeline fails, that return code...
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Feb 21, 2018 · The command `set -eu -o pipefail`. A short and stupid explanation is to say that it halts and makes the build process fail if an error occurs. If your build does not compile or that tests fail, that command will allow the `docker-compose` command to fail which will trigger an error and allow your CI system to know it failed.
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What does God say about channeling and mediums? Channeling is a modern name for what the Bible calls mediumship or spiritism. A channeler is a mystic who becomes a channel, or receptive agent, for intelligent communications coming from the spirit world.
Does register selection matter to performance on x86 CPUs? Instruction selection is a critical portion in compilers, as different instructions could cause significant performance differences even though the semantics not changed.
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Oct 16, 2018 · set -o errexit set -o pipefail set -o nounset. set -o errexit ( equal to set -e) The first option set -o errexitmeans that if any of the commands in your code fails for any reason, the entire ...
A slightly awkward solution would be to have set -o pipefail in your ~/.profile file and then write scripts that always invoke ksh as a login shell, i.e. by using #!/bin/ksh -l as the hash-bang line.
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The environment is the set of variables and their values that is currently visible to you. ... commands instead # We do this by using the set builtin and the pipefail ...
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pipefail doesn't stop the right-hand side of the pipeline from running, the whole pipe runs simultaneously, as usual. Try e.g. $ set -o pipefail xargs terminates prematurely if it cannot execute a constructed command or if an executed command returns a non-zero status value.
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Aug 11, 2020 · Here are some scripts which will backup all databases in a cluster individually, optionally only backing up the schema for a set list. The reason one might wish to use this over pg_dumpall is that you may only wish to restore individual databases from a backup, whereas pg_dumpall dumps a plain SQL copy into a single file.