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add sed

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onceupon
2016-07-13 16:37:37 +08:00
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parent e69ac89075
commit 64086e080f
1 changed files with 11 additions and 1 deletions
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README.md
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@@ -146,9 +146,19 @@ sed 's/^$/d'
sed '$d'
```
#####delete last character from end of file
```bash
sed -i '$ s/.$//' filename
```
#####add string to end of file (e.g. "]")
```bash
sed '$s/$/]/' filename
```
#####add string to end of each line (e.g. "}")
```bash
sed -e 's/$/\}\]/'
sed -e 's/$/\}\]/' filename
```
#####add \n every nth character (e.g. every 4th character)