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Sample scripts to convert NUL to newline
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Arun Prakash Jana
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README.md
98
README.md
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@ -53,6 +53,7 @@ We need contributors. Please visit the [ToDo list](https://github.com/jarun/nnn/
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- [Leader key](#leader-key)
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- [Contexts](#contexts)
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- [Directory color](#directory-color)
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- [Selection](#selection)
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- [Filters](#filters)
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- [Navigate-as-you-type mode](#navigate-as-you-type-mode)
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- [File indicators](#file-indicators)
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@ -62,7 +63,6 @@ We need contributors. Please visit the [ToDo list](https://github.com/jarun/nnn/
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- [How to](#how-to)
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- [add bookmarks](#add-bookmarks)
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- [copy file paths](#copy-file-paths)
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- [selection](#selection)
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- [to clipboard](#to-clipboard)
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- [get selection manually](#get-selection-manually)
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- [cd on quit](#cd-on-quit)
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@ -291,6 +291,29 @@ Each context can have its own color for directories specified:
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export NNN_CONTEXT_COLORS="1234"
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colors: 0-black, 1-red, 2-green, 3-yellow, 4-blue (default), 5-magenta, 6-cyan, 7-white
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#### Selection
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Use <kbd>^K</kbd> to copy the absolute path of the file under the cursor.
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To copy multiple absolute file paths:
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- press <kbd>^Y</kbd> (or <kbd>Y</kbd>) to enter selection mode. In this mode it's possible to
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- cherry-pick individual files one by one by pressing <kbd>^K</kbd> on each entry (works across directories and contexts); or,
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- navigate to another file in the same directory to select a range of files
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- press <kbd>^Y</kbd> (or <kbd>Y</kbd>) _again_ to copy the paths and exit the selection mode
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The files in the list can now be copied (<kbd>P</kbd>), moved (<kbd>V</kbd>) or removed (<kbd>X</kbd>).
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To list the file paths copied to memory press <kbd>y</kbd>.
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File paths are copied to the temporary file `DIR/.nnncp`, where `DIR` (by priority) is:
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$HOME or,
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$TMPDIR or,
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/tmp
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The path is shown in the help and configuration screen.
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#### Filters
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Filters support regexes to instantly (search-as-you-type) list the matching entries in the current directory.
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@ -384,51 +407,6 @@ NOTE: Bookmark keys should be single-character to use them in combination with t
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#### copy file paths
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##### selection
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Use <kbd>^K</kbd> to copy the absolute path of the file under the cursor.
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To copy multiple absolute file paths:
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- press <kbd>^Y</kbd> (or <kbd>Y</kbd>) to enter selection mode. In this mode it's possible to
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- cherry-pick individual files one by one by pressing <kbd>^K</kbd> on each entry (works across directories and contexts); or,
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- navigate to another file in the same directory to select a range of files
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- press <kbd>^Y</kbd> (or <kbd>Y</kbd>) _again_ to copy the paths and exit the selection mode
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The files in the list can now be copied (<kbd>P</kbd>), moved (<kbd>V</kbd>) or removed (<kbd>X</kbd>).
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To list the file paths copied to memory press <kbd>y</kbd>.
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File paths are copied to the temporary file `DIR/.nnncp`, where `DIR` (by priority) is:
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$HOME or,
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$TMPDIR or,
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/tmp
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The path is shown in the help and configuration screen..
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To use the copied paths from the cmdline, use command substitution. For example, if `DIR` above is `/home/user`:
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# bash/zsh
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ls -ltr `cat /home/user/.nnncp`
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ls -ltr $(cat /home/user/.nnncp)
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# fish
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ls -ltr (cat /home/user/.nnncp)
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An alias may be handy, e.g. when you want to copy selection at the _run a command_ prompt:
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alias ncp='cat /home/user/.nnncp'
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so you can easily handle files together:
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# bash/zsh
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ls -ltr `ncp`
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ls -ltr $(ncp)
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# fish
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ls -ltr (ncp)
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##### to clipboard
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Along with default copy, `nnn` can pipe the absolute path of the current file or multiple files to a copier script. For example, you can use `xsel` on Linux or `pbcopy` on macOS. Here's a sample [copier script](https://github.com/jarun/nnn/blob/master/scripts/user-scripts/copier.sh).
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@ -439,13 +417,35 @@ To inform `nnn` of the executable copier script location:
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##### get selection manually
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To get a space-separated list of the file paths in selection, say at the command-prompt:
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NOTE: In the following examples we assume the copy file is at `~/.nnncp`.
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The file paths are `NUL`-terminated, so additional processing is required to make them usable.
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To get a space-separated list of the file paths in selection:
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cat ~/.nnncp | xargs -0 echo
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Set an easy to remember alias:
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To get a newline-separated list of the file paths in selection:
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alias ncp="cat ~/.nnncp | xargs -0 echo"
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# bash/zsh
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ls -ltr `cat /home/user/.nnncp | tr '\0' '\n'`
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ls -ltr $(cat /home/user/.nnncp | tr '\0' '\n')
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# fish
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ls -ltr (cat /home/user/.nnncp | tr '\0' '\n')
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An alias may be handy, e.g. when you want to copy selection at the _run a command_ prompt:
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alias ncp="cat /home/user/.nnncp | tr '\0' '\n'"
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so you can easily handle files together:
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# bash/zsh
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ls -ltr `ncp`
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ls -ltr $(ncp)
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# fish
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ls -ltr (ncp)
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To get the list in a file:
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@ -1,4 +1,4 @@
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#!/bin/sh
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#!/usr/bin/env sh
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# Linux
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cat ~/.nnncp | xargs -0 | xsel -bi
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@ -1,8 +1,8 @@
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#!/bin/bash
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#!/usr/bin/env sh
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# Description: Pick files and pipe the line-separated list to another utility
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#
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# Shell: bash
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# Shell: sh
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# Author: Arun Prakash Jana
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#
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# Usage:
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@ -16,12 +16,6 @@
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#
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# NOTE: This use case is limited to picking files, other functionality may not work as expected.
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nnn -p /tmp/pickerout
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> /tmp/picked
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while read -d $'\0' line ; do
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echo $line >> /tmp/picked
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done < /tmp/pickerout
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echo $line >> /tmp/picked
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cat /tmp/picked
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rm /tmp/pickerout /tmp/picked
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nnn -p /tmp/picked
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cat /tmp/picked | tr '\0' '\n'
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rm /tmp/picked
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