few lines insert in existing file via terminal?
8337
How to append multiple lines of text to a file?
73386
How to merge every two lines into one from the command line?
58374
How can I insert a new line in a cmd.exe command?
43994
How can I redirect matching lines to a file, and non-matching lines to a different file?
48714
How do I insert a line at the top of a text file using the command line?
53585
How to add newlines into variables in bash script
23688
How do I create files using the lines in a .txt file?
53151
How to concatenate all lines from a file in Bash?
89250
Pasting multiple lines into IDLE
36913
How to remove lines included in one file from another file?
127994
bash needs another newline to execute pasted lines
25975
Using php, how to insert text without overwriting to the beginning of a text file
109424
Dash, command substitution not inserting newline?
65032
How can I "cat" a file and remove commented lines?
18339
sed on OSX insert at a certain line
116185
Why there are line breaks when PutAppend a string to file?
60864
Include command in output file?