atmark 0.7.2

Description:

atmark 0.7.2

The Atmark – Awk+sed for humans.
Do this:
# Rename a files in current directory (file-name -> file_name.jpg)
$ ls | @ sub - _ "mv # @.jpg" | sh
Except this:
# Rename a files in current directory (file-name -> file_name.jpg)
$ ls | awk '{print $1 $1}' | sed s/"-"/"_"/ | awk '{print "mv", $2, $1, ".jpg"}' | sh
More deep:
$ ls | @ sub - _ "mv # @.jpg" | sh
--- | | ------------
| | | \_ format string (# - link on first state,
| | | @ - link on current state (after replace))
| | |
| | \_ second replace param (to replace)
| |
| \_ first replace param (what replace)
|
\_ function name (substitute)
More examples:
Change file’s extension .html > .php
# Atmark
$ ls | @ split . head "mv # @.php"

# Awk/Sed
$ ls | awk '{printf "mv "$0; sub(/html/,"php"); print " "$0}' | sh
Print all but the first three columns
# Atmark (\t means tab)
$ ls -la | @ split_ drop 3 join \t

# Awk/Sed
$ ls -la | awk '{for(i=1;i<4;i++) $i="";print}'
Kill process by name
# Atmark
$ ps aux | @ grep sysmond$ index 2 "kill @" | sh

# Awk/Sed
$ ps aux | grep [s]ysmond | awk '{print "kill "$2}' | sh
And more, more, more.




Docs are available at https://atmark.readthedocs.org/. Pull requests
with documentation enhancements and/or fixes are awesome and most welcome.

Contents

Requirements
Installation

Bash completion


Usage
Bug tracker
Contributing
Contributors
License



Requirements

python >= 2.6



Installation
The Atmark should be installed using pip:
pip install atmark

Bash completion
Atmark supports bash completion. Just add this lines to your .bashrc:
_atmark_complete() {
COMPREPLY=( $( COMP_WORDS="${COMP_WORDS[*]}" \\
COMP_CWORD=$COMP_CWORD \\
_ATMARK_COMPLETE=complete $1 ) )
return 0
}

complete -F _atmark_complete -o default @ @@;
You can easy do it with command:
@ -bs >> ~/.bashrc



Usage
Get help
$ @ -h

Atmark (@) -- is a command line utility for parsing text input and generating output.

You can pipe data within a Atmark (@) statement using standard unix style pipes ("|").
Provide for Atmark function composition and let them work for you.

Example. Replace "_" with "-" in files in current dir and change the files extensions to jpg:

$ ls | @ replace _ - split . "mv # @.jpg"

It is mean:

$ ls > replace($LINE, "_", "-") > split($RESULT, ".") > format($RESULT, "mv $LINE $RESULT.jpg")

You can use "@ --debug ARGS" for debug Armark commands.

===================================================================================
LIST OF THE BUILT IN FUNCTIONS


format FORMAT_STRING -- format and print a string.

Symbol '@' in FORMAT_STRING represents the current value in process of composition of fuctions.
Symbol '#' in FORMAT_STRING represents the history state.
Where # or #0 -- first state, #<n> (#1, #2) -- state with number n

Synonyms: You can drop `format` function name. This lines are equalent:

$ ls | @ upper format "@.BAK"
$ ls | @ upper "@.BAK"

capitalize/cap -- capitalize the string.

drop N -- drop N elements from list/string.

equal/== PATTERN -- return None if arg is not equal to PATTERN.

filter/if -- filter results by value has length

head/h -- extract the first element/character of a list/string

index/ix N -- get the N-th element/character from list/string.

join/j SEPARATOR -- concatenate a list/string with intervening occurrences of SEPARATOR

join_/j_ -- same as join but SEPARATOR set as ' '

kill REGEXP -- replace in a string/list REGEXP to ''.

last -- get last element/character of incoming list/string.

length/len -- return length of list/string.

lower/l -- make the string is lowercase

map FUNCTION -- apply the following function to each element/character in list/string.

nocolor/nc -- Remove ansi colors from string.

notequal/!= PATTERN -- return None if arg is equal to PATTERN.

notgrep/ng REGEXP -- filter results by REGEXP. Leave ungrepped

replace/r/sub FROM TO -- replace in a string/list FROM to TO.

reverse/rev -- reverse list/string.

rstrip/rs/rtrim PATTERN -- return the string with trailing PATTERN removed.

grep/g REGEXP -- filter results by REGEXP

sort -- sort list/string.

split/sp SEPARATOR -- return a list of the substrings of the string splited by SEPARATOR

split_/sp_ -- same as split by splited a string by whitespace characters

strip/s/trim PATTERN -- return the string with leading and trailing PATTERN removed.

strip_/s_/trim_ -- same as strip but trims a whitespaces.

tail/t -- extract the elements after the head of a list

take N -- take N elements from list/string.

upper/u -- make the string is uppercase.


Bug tracker
If you have any suggestions, bug reports or
annoyances please report them to the issue tracker
at https://github.com/klen/atmark/issues


Contributing
Development of starter happens at github: https://github.com/klen/atmark


Contributors

klen (Kirill Klenov)



License
Licensed under a BSD license.