无需写 sed 和 文件名了，因为.sed扩展名的文件中是纯 sed 命令

xgqfrms · xgqfrms · commit 318139cb3243 · 2022-10-26T23:56:46.000+08:00
diff --git a/.editorconfig b/.editorconfig
@@ -6,7 +6,8 @@ indent_style = space
 indent_size = 2
 charset = utf-8
 trim_trailing_whitespace = true
-insert_final_newline = true
+insert_final_newline = false
+# insert_final_newline = true
 
 [*.md]
 trim_trailing_whitespace = false
diff --git a/000-xyz/Linux-Bash-Commands/readme.md b/000-xyz/Linux-Bash-Commands/readme.md
@@ -34,3 +34,18 @@ div*10{line 0$}
 <div>line 09</div>
 <div>line 10</div>
  -->
+
+## sed `-f`
+
+```sh
+# 执行 sed 脚本，sed 后面指定文件名写在命令行里
+$ sed -f test.sed ./test.txt
+
+$ sed -f test.sed ./test.txt >> ./test.out.md
+
+# ✅ -n 
+$ sed -f test.sed  -n ./test.txt
+# ❌ -n
+$ sed -f -n test.sed ./test.txt
+
+```
diff --git a/000-xyz/Linux-Bash-Commands/sed-replace.sh b/000-xyz/Linux-Bash-Commands/sed-replace.sh
@@ -72,3 +72,6 @@ sed -e "s/<div>/🎉/; s/<\/div>/👻/" ./multi-line-text.txt >> multi-line-text
 # sed 's/<div>/👻' | sed 's/</div>/🎉' multi-line-text.txt => multi-line-text.md
 
 echo -e "sed finished"
+
+
+# echo "this is abc" | sed -e 's/abc/xyz/'
diff --git a/000-xyz/Linux-Bash-Commands/test.ok.sed b/000-xyz/Linux-Bash-Commands/test.ok.sed
@@ -0,0 +1,5 @@
+# 注释: `.sed`扩展名的文件，是 sed 命令集合专用的，本质上还是一种 shell scirpt
+# 无需写 sed 和 文件名了，因为`.sed`扩展名的文件中是纯 sed 命令
+s/abc/ABC/
+s/xyz/XYZ/
+s/ufo/UFO/
diff --git a/000-xyz/Linux-Bash-Commands/test.out.md b/000-xyz/Linux-Bash-Commands/test.out.md
@@ -0,0 +1,6 @@
+this is 🎉 1
+this is 👻 2
+this is 🛸 3
+this is 🎉 1
+this is 👻 2
+this is 🛸 3
diff --git a/000-xyz/Linux-Bash-Commands/test.sed b/000-xyz/Linux-Bash-Commands/test.sed
@@ -0,0 +1,30 @@
+# 注释: `.sed`扩展名的文件，是 sed 命令集合专用的，本质上还是一种 shell scirpt
+# 无需写 sed 和 文件名了，因为`.sed`扩展名的文件中是纯 sed 命令
+s/abc/🎉/
+s/xyz/👻/
+s/ufo/🛸/
+
+
+# 执行 sed 脚本，sed 后面指定文件名写在命令行里
+# $ sed -f test.sed ./test.txt
+# $ sed -f test.sed -n ./test.txt
+# $ sed -f test.sed ./test.txt >> ./test.out.md
+
+# sed: 12: test.sed: invalid command code <
+# <<EOF
+
+# s/abc/xyz/ test.txt
+# sed: 4: test.sed: bad flag in substitute command: 't'
+
+# s/abc/xyz/ ./test.txt
+# sed: 4: test.sed: bad flag in substitute command: '.'
+
+# 's/abc/xyz/' ./test.txt
+# sed: 4: test.sed: invalid command code ' ❌
+
+# sed -e 's/abc/xyz/' ./test.txt
+# sed: 2: test.sed: bad flag in substitute command: 's' ❌
+
+# sed -e 's/abc/xyz/' -n ./test.txt
+
+# EOF
diff --git a/000-xyz/Linux-Bash-Commands/test.txt b/000-xyz/Linux-Bash-Commands/test.txt
@@ -0,0 +1,3 @@
+this is abc 1
+this is xyz 2
+this is ufo 3

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,3 @@`
	`1`	`+this is abc 1`
	`2`	`+this is xyz 2`
	`3`	`+this is ufo 3`