ast-grep is an abstract syntax tree based tool to search code by pattern code. Think of it as your old-friend grep, but matching AST nodes instead of text.
You can write patterns as if you are writing ordinary code. It will match all code that has the same syntactical structure.
You can use $ sign + upper case letters as a wildcard, e.g. $MATCH, to match any single AST node. Think of it as regular expression dot ., except it is not textual.
Try the online playground for a taste! https://ast-grep.github.io/playground.html
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Snaps are applications packaged with all their dependencies to run on all popular Linux distributions from a single build. They update automatically and roll back gracefully.
Snaps are discoverable and installable from the Snap Store, an app store with an audience of millions.
Snap can be installed on Fedora from the command line:
sudo dnf install snapd
Either log out and back in again, or restart your system, to ensure snap’s paths are updated correctly.
To enable classic snap support, enter the following to create a symbolic link between /var/lib/snapd/snap and /snap:
sudo ln -s /var/lib/snapd/snap /snap
To install SG Ast-Grep, simply use the following command:
sudo snap install ast-grep --edge
Browse and find snaps from the convenience of your desktop using the snap store snap.
Interested to find out more about snaps? Want to publish your own application? Visit snapcraft.io now.