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About

CLI utility that parses and transforms text written in Python.

Pysed is a Python stream editor, is used to perform basic text transformations from a file. It reads text, line by line, from a file and replace, insert or print all text or specific area. Actually pysed is a passage of Python module ‘re’ in terminal.

Read more for Regular Expression Syntax

[CHANGELOG]

Installation

$ pip install pysed --upgrade

uninstall

$ pip uninstall pysed

Command Line Tool Usage

Options:
  -h, --help                   display this help and exit
  -v, --version                print program version and exit
  -r, --replace                search and replace text
  -l, --lines                  search pattern and print lines
  -g, --highlight              highlight and print text
  -s, --stat                   print text statistics
      --write                  write changes to file

Python regex flags

Syntax

Python syntax, Meaning

I or IGNORECASE

re.IGNORECASE, ignore case.

M or MULTILINE

re.MULTILINE, make begin/end {^, $} consider each line.

S or DOTALL

re.DOTALL, make . match newline too.

U or UNICODE

re.UNICODE, make {w, W, b, B} follow Unicode rules.

L or LOCALE

re.LOCALE, make {w, W, b, B} follow locale.

X or VERBOSE

re.VERBOSE, allow comment in regex.

Usage Examples

$ cat text.txt
This is my cat,
 whose name is Betty.
This is my dog,
 whose name is Frank.
This is my fish,
 whose name is George.
This is my goat,
 whose name is Adam.

Replace text:

$ pysed -r "name" "surname" text.txt
This is my cat,
 whose surname is Betty.
This is my dog,
 whose surname is Frank.
This is my fish,
 whose surname is George.
This is my goat,
 whose surname is Adam.

Maximum replace text:

$ pysed -r "name" "surname" 2 text.txt
This is my cat,
 whose surname is Betty.
This is my dog,
 whose surname is Frank.
This is my fish,
 whose name is George.
This is my goat,
 whose name is Adam.

Add character to the beginning of each line:

$ pysed -r "^" "# " 0 M text.txt
# This is my cat,
#  whose name is Betty.
# This is my dog,
#  whose name is Frank.
# This is my fish,
#  whose name is George.
# This is my goat,
#  whose name is Adam.

Add character to the end of each line:

$ pysed -r "$" " <-" 0 M text.txt
This is my cat, <-
 whose name is Betty. <-
This is my dog, <-
 whose name is Frank. <-
This is my fish, <-
 whose name is George. <-
This is my goat, <-
 whose name is Adam. <-

Search and print lines:

$ pysed -l "name" text.txt
 whose name is Betty.
 whose name is Frank.
 whose name is George.
 whose name is Adam.

Highlight text:

$ pysed -g "name" "red" text.txt
This is my cat,
 whose name is Betty.
This is my dog,
 whose name is Frank.
This is my fish,
 whose name is George.
This is my goat,
 whose name is Adam.

Print statics text:

$ pysed -s text.txt
Lines: 8, Words: 32, Chars: 125, Blanks: 27

Use the argument "--write" in any case when you want to save the changes like:

$ pysed -r "name" "surname" text.txt --write


Use as piping:

$ echo "This is my cat, whose name is Betty" | pysed -r "cat" "dog"
This is my dog, whose name is Betty

$ echo "This is my cat, whose name is Betty" | pysed -r "[^\W]+" "-"
- - - -, - - - -

$ echo "This is my cat, whose name is Betty" | pysed -r "is" "IS" 1
ThIS is my cat, whose name is Betty

$ echo "910a13de57dfbdf6f06675db975f8407" | pysed -r "[^\d+]" ""
91013576066759758407

$ echo "/usr/local/bin" | pysed -r "/local" ""
/usr/bin

Please report Issues

Release files for pysed 0.5.0

For a detailed explanation of source distributions (sdists) and built distributions (wheels), please see the package formats documentation.

Source distribution (sdist)

Source distribution for pysed 0.5.0
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