Update awk_sed.md
This commit is contained in:
12
awk_sed.md
12
awk_sed.md
@ -1,9 +1,15 @@
|
|||||||
### AWK and SED Tips and tricks
|
# AWK and SED Tips and tricks
|
||||||
|
|
||||||
## AWK
|
## AWK
|
||||||
|
|
||||||
# Calculate total or average
|
### Calculate total or average
|
||||||
|
|
||||||
```sh
|
```sh
|
||||||
awk '{sum+=$1; n++} END {print sum / n}'
|
awk '{sum+=$1; n++} END {print sum / n}'
|
||||||
```
|
```
|
||||||
|
|
||||||
|
or using builtin row counter NR
|
||||||
|
|
||||||
|
```sh
|
||||||
|
awk '{sum+=$1} END {{if NR > 0} print sum / NR}'
|
||||||
|
```
|
||||||
|
|||||||
Reference in New Issue
Block a user