Use powershell to run a command for changed files in git

Question

I want to use jb cleanupcode --include .\file1;.\file2 to only format code that has changed. I.e. I want to run git diff --name-only and then feed the output to the jb cleanupcode command using its --include flag.

The issue is that git diff --name-only produces a list of files one-per-line.

Question: how do I take a stream of path-per-file and turn it into a semicolon-separated list fed to a command?

Mathias R. Jessen · Accepted Answer · 2022-09-13 18:09:24Z

2

Use the -join operator to join the resulting paths together:

$names = @(git diff --name-only) -join ';'
jb cleanupcode --include $names

Or as a single statement:

jb cleanupcode --include (@(git diff --name-only) -join ';')

edited Sep 13, 2022 at 18:09

answered Sep 13, 2022 at 16:34

Mathias R. Jessen

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2 Comments

THX-1138 Over a year ago

Thank you! Is there a way to make it a one-liner using pipes?

Mathias R. Jessen Over a year ago

@THX-1138 piping data makes little sense since you need to pass all names to jb up front - but I've updated the answer to show how you can combine the statements

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