sed Examples and Free Source Code

Remove multiple occurrences of similar lines except the last...

bash awk sed

How to append lines from a file into new file which name bases on the content?...

awk sed

Using sed in a Makefile — captures one pattern, but not the reverse?...

sed makefile markdown gnu-make github-flavored-markdown

sed edit file in-place...

unix sed solaris

binary sed replacement...

perl binary sed hex replace

How to find and replace text with variable (variable holds Unix scripts) using sed or awk command...

bash shell unix awk sed

How to print a file, excluding comments and blank lines, using grep/sed?...

regex awk sed grep

How can I remove the first line of a text file using bash/sed script?...

bash scripting sed

How can I strip first X characters from string using sed?...

bash shell sed

Sed append regex capture groups...

regex bash sed capture-group

Replace \n(new line) with space in bash...

bash sed tr

How can I remove the last (non-newline) character of a file in unix?...

linux bash unix sed

PCRE Regex to SED...

regex sed pcre

Remove odd or even lines from a text file...

linux awk sed

Using bash script to remove from sentence words longer than [x] characters...

bash shell awk sed

sed regular expression part...

regex sed

trim last ip octet and reverse...

bash awk sed

How do you strip quotes out of an ECHO'ed string in a Windows batch file?...

windows batch-file sed quotes echo

Remove multi-line comments...

sed awk

Removing trailing / starting newlines with sed, awk, tr, and friends...

unix sed awk tr

Using sed to delete everything between and including <?php ?> on the first line of code...

php linux sed

How do I replace an arbitrary number of backreferences in sed or Perl? (for obfuscating mailto)...

regex perl sed mailto

Bash extract user for a particular host from ssh config file...

bash ssh sed

How can I delete all lines that contain a specific string from a text file?...

shell sed text-parsing in-place

How to skip the expression in the beginning and ending of the string using Linux commands...

linux shell awk sed format

Replace each column with different spacing using sed...

linux sed

Count the number of occurrences of a string using sed...

sed

How can I output only captured groups with sed?...

regex sed

Using SED to Get the Last n Lines of a Huge Text File...

linux text sed

Insert line after match using sed...

shell sed