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How do I print only the first line?
Yes, that is one way to get the first line of output from a command. There are many other ways to capture the first line too, including sed 1q (quit after first line), sed -n 1p (only print first line, but read everything), awk ‘FNR == 1’ (only print first line, but again, read everything) etc.
How do you find the first word of a line in Unix?
To print a whole word, you want -f 1 , not -c 1 . And since the default field delimiter is TAB rather than SPACE, you need to use the -d option. What’s nice about this solution is it doesn’t read beyond the first line of the file.
How to print each word in a separate line?
The input string stops at white space or at the maximum field width, whichever occurs first. You need to use fgets () to do the job. Indent your code properly, make it human-readable. Chnage scanf (“%s”, s); to scanf (“99%s”, s); to avoid possible buffer overflow by putting longer input string than 99 char s.
How to print the first and last letter of a string?
Run a loop from the first letter to the last letter. Print the first and last letter of the string. If there is a space in the string then print the character that lies just before space and just after space. Below is the implementation of the above approach. Attention reader! Don’t stop learning now.
How do you indent the first line of a paragraph?
When you press Enter to start the next paragraph, its first line will be indented. Tip: If you want to change indentation for paragraphs that have already been written, use the tab-key method on the first paragraph, as described above. Then put your cursor at the beginning of the next paragraph. Press Backspace and then Enter.
How to print every character in a string?
You can simply read/print each character until a space is read, then print a newline instead of the space. The reading/printing continues until you reach 100 chars, encounter a newline or EOF: