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onceupon 2016-07-13 16:37:37 +08:00 committed by GitHub
parent e69ac89075
commit 64086e080f

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@ -146,9 +146,19 @@ sed 's/^$/d'
sed '$d' sed '$d'
``` ```
#####delete last character from end of file
```bash
sed -i '$ s/.$//' filename
```
#####add string to end of file (e.g. "]")
```bash
sed '$s/$/]/' filename
```
#####add string to end of each line (e.g. "}") #####add string to end of each line (e.g. "}")
```bash ```bash
sed -e 's/$/\}\]/' sed -e 's/$/\}\]/' filename
``` ```
#####add \n every nth character (e.g. every 4th character) #####add \n every nth character (e.g. every 4th character)