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grep $
We can find pattern at the end of the line by $. Can we find pattern at the beginning of the line? grep "[78]...$" grepdemo.txt, how this command find scholarship between 7000 to 8999 ?
07-08M 0-10S sanniddhachakrabarti@gmail.com
Answer last updated on: March 19, 2021, 2:33 p.m.
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grep "^A" grepdemo.txt
grep "^A" grepdemo.txt, why this command only highlight the roll number starting with A, why not names ?
06-07M 30-40S sanniddhachakrabarti@gmail.com
Answer last updated on: March 15, 2021, 1:07 p.m.
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استعمال کرتے ہوئے سرچ یعنی تلاش کرنا grep ایک سے زیادہ پیٹرن میچ کرنا ایک ایسے لفظ کی جانچ کرنا جسکی ہجے مختلف ہو کلاس Character کا استعمال ٌ (asterisk) استعمال کرتے ہوئے کوئی ایک کیریکٹر میچ کرنا dot(.) فائل کے آغاز میں پیٹرن میچ کرنا فائل کے اختتام پر پیٹرن میچ کرنا
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