Feature Request: Tasks variables replacing

[purocean]

Sublime Text has this feature

${relativeFile/a/b/} replace a to b
http://sublimetext.info/docs/en/reference/build_systems.html#variables

I use WSL script for work in VSCode. So I need change file or dir path slash, or change suffix some times.

I think this will be a useful feature.

#40256

[dbaeumer]

@isidorn assigning to you since this would nicely fit into the configuration resolver service.

[weinand]

We'll have to coordinate this with the other requests for variables: #38381, #38327, #38977

[isidorn]

We accept PRs that fix this issue
Code pointer https://github.com/Microsoft/vscode/blob/master/src/vs/workbench/services/configurationResolver/electron-browser/configurationResolverService.ts#L23

If nobody volunterees to look into this I can investigate second half of January

[pradeepmurugesan]

@isidorn this is interesting. I can give a shot.

The code pointer still holds good ? Looks like its pointing to an import statement now.

[isidorn]

@pradeepmurugesan the code pointer is decent, it is that file still.
For the PR to be accepted please try to implement it in a clear and simple way if possible.

[pradeepmurugesan]

@isidorn Sorry if my question is too naive.. Where will the user execute the command ${relativeFile/a/b/}

I mean is it in the command window of vscode ( cmd + Shift + p ) or somewhere else ?

[weinand]

it is a variable in a launch configuration (from launch.json) or a task (from task.json).
Here is an example from VS Code's own launch configurations: https://github.com/Microsoft/vscode/blob/master/.vscode/launch.json

Everything starting with '$' is a variable. Most of them are simple and just evaluate to a filesystem path.

When you run a launch configuration (e.g. by pressing 'F5'), the "configuration resolver service" resolves the variables to strings before the configuration is executed.

[pradeepmurugesan]

@weinand Thanks for the explanation.

So ${relativeFile/a/b/} is a string replace, and the modified string will be used by the task or launch configuration ?

Am I understanding it right ?

Initially I thought it should move the file in the filesystem to the new name.

[weinand]

${relativeFile} is a simple variable and ${relativeFile/a/b/} is basically a ${relativeFile}.replace('a', 'b')

no moving of files is involved here.

[vscodebot]

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Thanks for your understanding and happy coding!

[stefaneidelloth]

Would like to see this feature. Also see https://stackoverflow.com/questions/45132566/how-to-fix-jest-no-tests-found-on-windows-10/57522638#57522638

[anavalaka]

can we also do substring as well?