| 1 | /**
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| 2 | * print() : print(str)
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| 3 | * Prints the given string `str` to the terminal. If it is too long, it is ran
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| 4 | * through a pager.
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| 5 | */
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| 6 |
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| 7 | exports.print = function (str) {
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| 8 | var count = str.split("\n").length;
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| 9 | var max = 24;
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| 10 | if (max && count > max) {
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| 11 | exports.page(str);
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| 12 | } else {
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| 13 | process.stdout.write(str);
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| 14 | }
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| 15 | };
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| 16 |
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| 17 | exports.lessOpts = [
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| 18 | '-R', // raw control chars
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| 19 | '-S' // squeeze long lines
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| 20 | ];
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| 21 |
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| 22 | /**
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| 23 | * page() : page(str)
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| 24 | * (private) Prints the `str` through a pager.
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| 25 | */
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| 26 |
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| 27 | exports.page = function (str) {
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| 28 | var spawn = require('child_process').spawn;
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| 29 | var child = spawn('less', exports.lessOpts, { stdio: [ 'pipe', 1, 2 ] });
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| 30 | child.stdin.write(str);
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| 31 | child.stdin.end();
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| 32 | };
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