sed: split POSIX, GNU and BSD (#9609)

pages/common/sed.md

@@ -12,14 +12,6 @@
 
 `{{command}} | sed -f {{path/to/script.sed}}`
 
-- Replace all `apple` (extended regex) occurrences with `APPLE` (extended regex) in all input lines and print the result to `stdout`:
-
-`{{command}} | sed -E 's/(apple)/\U\1/g'`
-
 - Print just a first line to `stdout`:
 
 `{{command}} | sed -n '1p'`
-
-- Replace all `apple` (basic regex) occurrences with `mango` (basic regex) in all input lines and save modifications to a specific file:
-
-`sed -i 's/apple/mango/g' {{path/to/file}}`

pages/linux/sed.md

@@ -0,0 +1,25 @@
+# sed
+
+> Edit text in a scriptable manner.
+> See also: `awk`, `ed`.
+> More information: <https://www.gnu.org/software/sed/manual/sed.html>.
+
+- Replace all `apple` (basic regex) occurrences with `mango` (basic regex) in all input lines and print the result to `stdout`:
+
+`{{command}} | sed 's/apple/mango/g'`
+
+- Execute a specific script [f]ile and print the result to `stdout`:
+
+`{{command}} | sed -f {{path/to/script.sed}}`
+
+- Replace all `apple` (extended regex) occurrences with `APPLE` (extended regex) in all input lines and print the result to `stdout`:
+
+`{{command}} | sed -E 's/(apple)/\U\1/g'`
+
+- Print just a first line to `stdout`:
+
+`{{command}} | sed -n '1p'`
+
+- Replace all `apple` (basic regex) occurrences with `mango` (basic regex) in all input lines and save modifications to a specific file:
+
+`sed -i 's/apple/mango/g' {{path/to/file}}`

pages/osx/sed.md

@@ -0,0 +1,25 @@
+# sed
+
+> Edit text in a scriptable manner.
+> See also: `awk`, `ed`.
+> More information: <https://keith.github.io/xcode-man-pages/sed.1.html>.
+
+- Replace all `apple` (basic regex) occurrences with `mango` (basic regex) in all input lines and print the result to `stdout`:
+
+`{{command}} | sed 's/apple/mango/g'`
+
+- Execute a specific script [f]ile and print the result to `stdout`:
+
+`{{command}} | sed -f {{path/to/script.sed}}`
+
+- Replace all `apple` (extended regex) occurrences with `APPLE` (extended regex) in all input lines and print the result to `stdout`:
+
+`{{command}} | sed -E 's/(apple)/\U\1/g'`
+
+- Print just a first line to `stdout`:
+
+`{{command}} | sed -n '1p'`
+
+- Replace all `apple` (basic regex) occurrences with `mango` (basic regex) in a `file` and save a backup of the original to `file.bak`:
+
+`sed -i bak 's/apple/mango/g' {{path/to/file}}`