SOLUTION: I am posting my answer to my own question here as recommended. This solution works for Bash 4.4+, since, starting with that version of Bash, version 7.0 of the GNU readline library is used, which includes the necessary additions of the vi-cmd-mode-string and vi-ins-mode-string variables. These variables can be set as follows in your … Read more
you need to add backslash to get it evaluated not in the time of FOO assigment but during evaluating the PS1, so do: export PS1=”[\$FOO]$ ” instead of: export PS1=”[$FOO]$ ” Note the \ before the $FOO.
EDIT: As mentioned by Marie and James if you only want to run the command if it exists, npm has an option for that: npm run test –if-present This way you can have a generic script that work with multiple projects (that may or may not have an specific task) without having the risk of … Read more
Welcome to bash. It’s an old, dark and mysterious thing, capable of great magic. 🙂 The option you’re asking about is for the find command though, not for bash. From your command line, you can man find to see the options. The one you’re looking for is -o for “or”: list=”$(find /home/user/Desktop -name ‘*.bmp’ -o … Read more
You need to supply the -L or –location option in order to enable curl to follow HTTP redirects. Quoting from man curl: -L, –location (HTTP/HTTPS) If the server reports that the requested page has moved to a different location (indicated with a Location: header and a 3XX response code), this option will make curl redo … Read more
For me it works when I do these steps: Go to the directory/folder that you want run virtualenv .env then run source .env/bin/activate
This solution seems to me more intuitive: if [ `ls -1 /var/log/apache2/access.log.* 2>/dev/null | wc -l ` -gt 0 ]; then echo “ok” else echo “ko” fi
This question has been asked in another thread, and this is the best answer IMO: export LOG_FILE_PATH=/expanded/path/of/the/log/file/../logfile.log cat Text_File.msh | envsubst > Text_File_expanded.msh if on Mac, install gettext first: brew install gettext see: Forcing bash to expand variables in a string loaded from a file
You can query the registry API for the image digest and compare it to that of what you’ve pulled. $ cat digest-v2.sh #!/bin/sh ref=”${1:-library/ubuntu:latest}” repo=”${ref%:*}” tag=”${ref##*:}” acceptM=”application/vnd.docker.distribution.manifest.v2+json” acceptML=”application/vnd.docker.distribution.manifest.list.v2+json” token=$(curl -s “https://auth.docker.io/token?service=registry.docker.io&scope=repository:${repo}:pull” \ | jq -r ‘.token’) curl -H “Accept: ${acceptM}” \ -H “Accept: ${acceptML}” \ -H “Authorization: Bearer $token” \ -I -s “https://registry-1.docker.io/v2/${repo}/manifests/${tag}” $ ./digest-v2.sh … Read more