add sed

add string to beginning of file
2025-09-13 06:33:14 +02:00 · 2018-08-21 14:04:03 +08:00
parent c94a0b8a18
commit ba9a274113
1 changed files with 5 additions and 0 deletions
--- a/README.md
+++ b/README.md
@ -236,6 +236,11 @@ sed '$d'
 sed -i '$ s/.$//' filename
 ```

+##### Add string to beginning of file (e.g. "\[")
+```bash
+sed -i '1s/^/[/' file
+```
+
 ##### Add string to end of file (e.g. "]")

 ```bash