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346fca4cb6
No change in logic. Add `/* istanbul ignore next */` lines for hard-to-test lines so that they don't count against us during code coverage. I've also adjusted comments that I found confusing, and changed some formatting. Partial fix for #671
37 lines
918 B
JavaScript
37 lines
918 B
JavaScript
var common = require('./common');
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var fs = require('fs');
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var path = require('path');
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common.register('toEnd', _toEnd, {
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pipeOnly: true,
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wrapOutput: false,
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});
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//@
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//@ ### ShellString.prototype.toEnd(file)
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//@
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//@ Examples:
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//@
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//@ ```javascript
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//@ cat('input.txt').toEnd('output.txt');
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//@ ```
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//@
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//@ Analogous to the redirect-and-append operator `>>` in Unix, but works with
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//@ ShellStrings (such as those returned by `cat`, `grep`, etc).
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function _toEnd(options, file) {
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if (!file) common.error('wrong arguments');
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if (!fs.existsSync(path.dirname(file))) {
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common.error('no such file or directory: ' + path.dirname(file));
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}
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try {
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fs.appendFileSync(file, this.stdout || this.toString(), 'utf8');
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return this;
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} catch (e) {
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/* istanbul ignore next */
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common.error('could not append to file (code ' + e.code + '): ' + file, { continue: true });
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}
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}
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module.exports = _toEnd;
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