I suspect it has something to do with the *** in the gcloud command output, which corresponds to a service url that is stored in a secret, but I don’t know.īeta Was this translation helpful? Give feedback. What I’d be interested in knowing, however, is what the issue is in the workflow run that causes the grep to return nothing. A regular expression (also called a regex or regexp) is a rule that a computer can use to match characters or groups of characters within a larger body of text.For instance, using regular expressions, you could find all the instances of the word cat in a document, or all instances of a word that begins with c and ends with t. The python script does not have the same issue with the regular expression matching. Apparemment trivial, ce programme est extrmement puissant. Cela signifie que vous pouvez utiliser grep pour voir si l’entre qu’il reoit correspond un modle spcifi. When run as part of the actions workflow, though, this step fails.Īs a note, though, I updated the whole thing from a shell script to a python script and it is now working fine, so my immediate issue is resolved. L’accronyme grep signifie global regular expression print (rechercher globalement les correspondances avec l’expression rgulire). GNU grep supports three regular expression syntaxes, Basic, Extended, and Perl-compatible. When -regex is used with -all, this behavior changes. Remember, this script works perfectly when run locally. If it did not match, the variable will be set to nothing (like set var ). When combined with Bash variables, grep becomes a versatile tool for text processing and data extraction in scripts. It can be used to search for text patterns in files, variables, and the output of commands. ![]() It takes that output, finds the text that matches the regex (in this case r20), and sets that value as config_id. The grep (global regular expression print) utility is a powerful command-line tool. The variable config_id comes from this line: config_id=$(echo $ | grep -ioE '\d+\-\d+\-\d+\d+'). That’s the header text in the command output, not an actual variable.
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