Pull a line to the active file from a specified file without having to open it.

obsidian.templater.pull-line.js

<%*
//v1.2: For block refs / embeds need to add line breaks above and below otherwise block ref extends to lines around it

//"pull" = default: removes the line, "pull-copy" leaves line, "pull-embed" leaves embed, "pull-ref" adds block ref
const pullMode = "pull";

const pullFromFile = await tp.system.suggester((item) => item.path, this.app.vault.getMarkdownFiles(), false);

if(pullFromFile) {
    let cmEditorAct = this.app.workspace.activeLeaf.view.editor;
    const curContent = await this.app.vault.read(pullFromFile);
    const arrayEachLine = curContent.split('\n');
    let arrayStrings = [];
    let arrayValues = [];
    let charPos = 0;
    arrayEachLine.forEach(eachItem => {
        if(eachItem != '') {
            let charCtr = eachItem.length;
            let linePos = [charPos, (charPos + charCtr)];
            arrayStrings.push(eachItem.slice(0,250));
            arrayValues.push(linePos);
            charPos = charPos + charCtr;
        }
        charPos++;
    });
    let selectLine = await tp.system.suggester(arrayStrings, arrayValues, false);
    if(pullMode == "pull") {
        let newContents = curContent.substring(0, selectLine[0]) + curContent.substring(selectLine[1] + 1);
        await this.app.vault.modify(pullFromFile, newContents);
    } else if(pullMode == "pull-embed" || pullMode == "pull-ref") {
        function createBlockHash() {
            let result = '';
            var characters = 'abcdefghijklmnopqrstuvwxyz0123456789';
            var charactersLength = characters.length;
            for ( var i = 0; i < 7; i++ ) {
                result += characters.charAt(Math.floor(Math.random() * charactersLength));
            }
            return result;
        }
        let id = createBlockHash();
        let blockRef;
        let newContents;
        if(pullMode == "pull-embed") {
            blockRef = `![[${tp.file.title}#^${id}]]`;
            newContents = curContent.substring(0, selectLine[0]) + blockRef + '\n' + curContent.substring(selectLine[1] + 1);
            tR = '\n' + curContent.substring(selectLine[0], selectLine[1]) + ` ^${id}` + '\n';
        } else if(pullMode == "pull-ref") {
            blockRef = `![[${pullFromFile.basename}#^${id}]]`;
            newContents = curContent.substring(0, selectLine[0]) + '\n' + curContent.substring(selectLine[0], selectLine[1]) + ` ^${id}` + '\n\n' + curContent.substring(selectLine[1] + 1);
            tR = blockRef;
        }
        await this.app.vault.modify(pullFromFile, newContents);
    }
    if(pullMode == "pull" || pullMode == "pull-copy") {
        tR = curContent.substring(selectLine[0], selectLine[1]);
    }
}
%>