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6739aed69e
`require('shelljs/global')` extends String.prototype to have the `.to()` and
`.toEnd()` methods again. This also adds tests for the global require.
31 lines
774 B
JavaScript
31 lines
774 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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//@
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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)
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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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try {
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fs.appendFileSync(file, this.toString(), 'utf8');
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return this;
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} catch(e) {
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common.error('could not append to file (code '+e.code+'): '+file, true);
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}
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}
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module.exports = _toEnd;
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