pysed 0.7.8

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Description:

pysed 0.7.8

Table of Contents:

About

Installation
Command Line Tool Usage
Regex flags
Usage Examples
Copyright





About
Pysed is a stream editor, is used to perform basic text transformations
from a file or from pipeline. It reads text, line by line, from a file
and replace, insert or print all text or specific area.

Installation
$ pip install pysed --upgrade

uninstall

$ pip uninstall pysed


Command Line Tool Usage
Usage: pysed [OPTION] {patt} {repl} {lines/max/flag} [[input-file], --write]

pysed is utility that parses and transforms text

Optional arguments:
-h, --help Print this help message and exit
-v, --version Print program version and exit
-r, --replace Search and replace text
-f, --findall Find all from pattern in text
-s, --search Search for the first matching
-m, --match Pattern matching in the beginning
-l, --lines Search pattern and print lines
-g, --highlight Highlight and print text
-t, --stat Print text statistics
--write Write changes to file


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.

Replace text in specific lines:

$ pysed -r "name" "surname" 2,4 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.

Replace text in specific lines and max:

$ pysed -r "is" "IS" 1,7/1 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 "^" "# " 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 "$" " #" 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. #

Find all matching pattern:

$ pysed -f "name " text.txt
name name name name

Find all matching pattern in specific lines:

$ pysed -f "name " "" 2,4 text.txt
name name

Search and print lines:

$ pysed -l "name" text.txt
- This is my cat,
2 whose name is Betty.
- This is my dog,
4 whose name is Frank.
- This is my fish,
6 whose name is George.
- This is my goat,
8 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 -t text.txt
Lines: 8, Words: 32, Chars: 125, Blanks: 27

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

$ 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

$ repl="fish"
$ echo "This is my cat, whose name is Betty" | pysed -r "cat" $repl
This is my fish, 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" 1/1
ThIS is my cat, whose name is Betty

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

$ echo "910a13de57dfbdf6f06675db975f8407" | pysed -f "\d+"
910 13 57 6 06675 975 8407

$ echo "910a13de57dfbdf6f06675db975f8407" | pysed -s "\d+"
910

$ echo "910a13de57dfbdf6f06675db975f8407" | pysed -s "(\d+)(\w+)" "" 0/1
910

$ echo "910a13de57dfbdf6f06675db975f8407" | pysed -s "(\d+)(\w+)" "" 0/2
a13de57dfbdf6f06675db975f8407

$ echo "The temperature today is at +12 degrees Celsius" | pysed -s ".\d+"
+12

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

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

Use with command "find". You can use "find" and "pysed" commands in combination to find
and replace text in multiple files. For example:

$ find . -name *.py -exec pysed -r "lefttext" "righttext" {} --write \;

this command finds 'lefttext' string in all python files and replace it with 'righttext'.
Please report Issues


Copyright

Copyright © Dimitris Zlatanidis
Linux is a Registered Trademark of Linus Torvalds.

License

For personal and professional use. You cannot resell or redistribute these repositories in their original state.

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