Timeline for Why can't add the header in the df's output?
Current License: CC BY-SA 4.0
8 events
| when toggle format | what | by | license | comment | |
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| Feb 15 at 16:39 | history | edited | Gilles Quénot | CC BY-SA 4.0 |
added 68 characters in body
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| Feb 15 at 16:19 | comment | added | user10489 | This is a nice example. Basically you replace head with NR==1 and grep with the following pattern match. Since awk is the only program running, there is no conflict and awk splits the pieces nicely. | |
| Feb 15 at 12:59 | history | edited | Gilles Quénot | CC BY-SA 4.0 |
added 1 character in body
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| Feb 15 at 6:09 | comment | added | showkey | head takes all of the output, prints the first line, and then quits throwing away all the rest of what it read,There is no output left for grep to take as input. | |
| Feb 15 at 6:09 | comment | added | showkey | 2.What happend in the buffer? | |
| Feb 15 at 6:06 | comment | added | showkey | 1.Why for same code structure grep in "ps aux |(head -n 1 ;grep [f]irefox)" have lines to match? | |
| Feb 15 at 6:05 | comment | added | showkey | Simple and smart. | |
| Feb 15 at 5:38 | history | answered | Gilles Quénot | CC BY-SA 4.0 |