when i used sed -n ,why this err about sed -n ' $j,4800p'
31508
Passing a variable to sed
30421
Escape a string for a sed replace pattern
157834
How to replace quotation marks in a file with sed?
85777
How do I replace the last occurrence of a character in a string using sed?
94529
Using 'sed' to find and replace
132912
Use sed on a string variable rather than a file
32990
How to find and replace using sed on records starting with Specific number
38304
How can I achieve portability with sed -i (in-place editing)?
121705
What is the purpose of "~" in the command "sed 's~ ~~g'"?
155976
How to join a line with a pattern with the next line with sed?
7907
What characters do I need to escape when using sed in a sh script?
77828
Can sed save its output to a file?
12961
How can I use variables in the LHS and RHS of a sed substitution?
143143
sed fails to remove newline character
156623
How to detect end of line with sed
130552
What is the purpose of -e in sed command?
94738
Non-greedy match with SED regex (emulate perl's .*?)