GNU Readline is a library for command line edition, used by bash and some other programs

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readline - why does does it only do carriage return and not a line feed when reaching end of line?

I developped a python application that uses the cmd module to make an interactive command-line interface. This cmd module uses readline for command-line management: completion, history... My issue ...
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31 views

Assign both menu-complete and dynamic-complete-history to TAB

Is there a way for me to assign both menu-complete and dynamic-complete-history to Tab (or one to Tab and the other to Tab-Tab) in .inputrc? I'm thinking there might be a way to setup a function and ...
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1answer
126 views

What are the bash shell length limitations for here-docs?

What are the length limitations for using here-docs as part of bash command lines? I am finding that short here-docs work fine, but when they get longer there is some point or structure after which ...
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2answers
117 views

Is one bash shellshock fix tar file for SLES bad?

SERVER:/home/user # rpm -Uvh --test readline-5.1-24.4.7406.0.PTF.898762.i586.rpm warning: readline-5.1-24.4.7406.0.PTF.898762.i586.rpm: V3 DSA signature: NOKEY, key ID b37b98a9 error: Failed ...
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1answer
51 views

Custom tab-completion in bash's `read`

Is there a way to "import" a list of words into bash's read builtin to have custom tab-completion? I've been writing a wrapper script for suckless' minimalist irc client "ii", and I don't have a way ...
3
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1answer
81 views

Control-p freezes SSH session

I have encountered a strange situation on one of my SSH ARM machines I use on a daily basis. Every time I connect to the server and press Ctrl+P to invoke previous-history BASH function SSH connection ...
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2answers
71 views

~./inputrc file not sourcing correctly

I have this ~/.inputrc file that I created for certain key bindings. # mappings for Ctrl-left-arrow and Ctrl-right-arrow for word moving "\e[1;5C":forward-word "\e[1;5D":backward-word ...
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1answer
36 views

How to provide a customized function 'complete' to readline of socat

Is this possible to provide a customized 'complete' function to the readline library that goes inside socat? I mean something quicker than recompiling the readline, some hook or text file ...
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1answer
106 views

Highlighting text in bash when using reverse history search using Ctrl-R

Using Ctrl-R, I can search the history in bash. But what to do, If I want to highlight the relevant word which has been typed upon by me. Example: (reverse-i-search)`mount': sudo mount /dev/sda2 ...
2
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1answer
163 views

bash not reading $TERMINFO on login (over SSH)

I have a OpenVZ Fedora 20 VPS that when I SSH into, my termcap file stored in $XDG_DATA_HOME/terminfo/x/xterm-termite, isn't being read, despite having TERMINFO=$XDG_DATA_HOME/terminfo set. If I ...
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1answer
49 views

How to turn on all default binding keys of vi-editing-mode on bash?

I am using vi-editing-mode on Bash. According to man readline, there are a couple of default binding keys working on vi-editing-mode. Some keys work well, but some other default keys do not work. ...
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1answer
125 views

Is it possible to change the key binding for completion in bash shell?

For bash, I would to modify the tab key for completion to the escape key. I know that key bindings are defined in /etc/inputrc. But I don't know if something like this could work: `"\e" : ...
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2answers
581 views

How do I switch to vi editing mode in readline?

I want to switch to vi editing mode in a readline environment. But I don't want to use 'set -o vi'. I want to temporarily switch using a keyboard shortcut. The man page says I can do this with ...
3
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1answer
224 views

Using shell's read command with live editing functionality (readline like)

Is there a standard (POSIX) way of asking the user some data from within a shell script, with read for example, while allowing live edition of the text being typed (what readline does)? I know bash ...
2
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1answer
201 views

arrow keys are not working with terminal server telnet (termnetd) session

I am using terminal server package termnetd 3.2, which reads serial port and gives output on telnet port. I logged into terminal server port, every thing works fine except the arrow keys, Home and End ...
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2answers
804 views

Alt-Left to skip words does not work in terminal emulators

On a Debian Wheezy machine at previous job, I got used to Alt+Left and Alt+Right to skip between words on active command-line (in bash). However, since at home I have upgraded to Jessie (Debian 8.0, ...
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1answer
109 views

Simulating READLINE_LINE in Bash < 4.0

I am trying to make some of my code bash 3.X compatible and I have a key-binding that utilizes READLINE_LINE inside its callback function. 3.0 versions of Bash don't supply the READLINE_LINE, so I ...
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1answer
337 views

Logging interactive input and output without capturing all typed input and control characters

I am trying to log output from an interactive command-line program; units, specifically. I have tried using tee like this: units | tee units.log or script like this: script -c units units.log ...
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2answers
212 views

Why does Bash readline sometimes try to parse the second word of a command out of context?

I recently migrated all my dotfiles and setting to a new laptop running Ubuntu 13.04, and have been noticing a strange behavior that I've never seen before. Essentially, it seems like my terminal is ...
2
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2answers
195 views

Is it possible to assign multiple commands to a single hotkey? (bash, xterm)

Back in the day, if my cursor was in the middle of a really long shell command I'd just hit Ctrl+C to get myself a new command prompt. Then I learned about Ctrl+K/C and life was good. Unfortunately ...
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2answers
500 views

What kind of file does /etc/inputrc belong to?

Seems like that the /etc/inputrc file conforms to the shell script syntax. But the file name does not end with a .sh. The first line in the file does not have a #!, either. Is it another kind of ...
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3answers
515 views

Put text in the bash command line buffer

I would like to programmatically put a certain piece of text in the command line buffer of bash, read to be edited and used as a command. What I am looking forward to is something similar to read -i ...
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4answers
590 views

Shell: How do I get the last argument the previous command when it was detached?

Within the shell, typing ALT+. or using !$ recalls the last passed argument of the previous command. I use this all the time, but how do you do that when you detached the previous command? $ ...
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342 views

What are the readline word separators?

When I delete a "word" in Bash, it will stop at certain characters like _ and /. For example, if I type /foo/bar and activate backward-kill-word (typically mapped to Alt-Backspace and/or Ctrl-w), ...
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Where do I find a list of terminal key codes to remap shortcuts in bash?

For example: "\e[1;5C" "\e[Z" "\e-1\C-i" I only know bits and pieces, like \e stands for escape and C- for Ctrl, but what are these numbers (1) and letters (Z)? What are the ;, [ and - signs for? ...
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1answer
218 views

Dealing with GNU Stow conflicts

What is the recommended way of dealing with GNU Stow conflicts? I tried to stow readline-6.2 and got the following warning: > stow readline-6.2 Loading defaults from /home/josh/.stowrc WARNING! ...
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2answers
65 views

xinput - Ctrl+<Left> misbehaves if history-search-backward is mapped

I am using these lines in my ~/.inputrc: "\e[5~": history-search-backward "\e[6~": history-search-forward With these settings when I type c on the prompt and do a PageUp, bash only shows command ...
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3answers
648 views

Ctrl-a does not take me to the beginning of the prompt while I am working within a GNU screen

To navigate to the starting and end of a command, I usually use Ctrla and Ctrle. However, when I work within a GNU screen, those keybinding do not work becuase perhaps they are being used by the GNU ...
7
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1answer
3k views

Delete whole argument in current bash command-line

Using ^W (unix-word-rubout) I can easily delete a single "word" from the current command in my bash shell. However, when dealing with quoted arguments that contain spaces (or unquoted arguments ...
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94 views

Where does the yanked text on commadline get stored?

When you delete characters on the command line using readline commands (e.g. Ctrl-U, you can paste using Ctrl-y, but where does it get stored? It does not seem to use X11 clipboard at all.
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98 views

Ctrl+W in vi[m] to erase to whitespace

I want to mimic the functionality of bash readline in vim. Is there an easy way to do that? Currently in vim Ctrl+W "cuts" from cursor back to special char or whitespace. ie. In bash Ctrl+W "cuts" ...
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1answer
508 views

What is Bash's “Order of Operations” when parsing a command?

Given a command entered at a normal bash prompt, how does bash read that line once you hit enter? does it do variable substitution then command substitution? or does it do bash expansion first? or ...
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90 views

Readline menu-complete on OS X

I'm trying to test out using the menu-complete on OS X 10.8, and it's just not working. I have it in my .inputrc as such: "\M-s": menu-complete I then tried to do C-x C-r to reload the .inputrc and ...
3
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1answer
95 views

Mapping character keys

I really don't understand bash's use of control characters. I understand simple things like adding colors with escape sequences but am at a loss for how to do things like bind keys in .inputrc. For ...
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3answers
345 views

How to read '\n' into variable with Bash's built-in command?

Somehow I'm not able to read the trailing \n sign into the REPLY variable. Under any circumstances I want to avoid a blank line that results from the \n being echoed by read but echo one in case of ...
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3answers
3k views

Configure up-arrow to browse through commands with same initial characters rather than all previous commands

On the bash command-line, ↑ gives me the previous command. On the command-lines in numpy or matlab, when I type a few characters, ↑ gives me the previously entered command starting with those ...
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1answer
166 views

C-u leaves ghost characters at command prompt in xterm

I am using bash (v3.2.25) on linux, through xterm, through exceed. When using Ctrlu the cursor is moved next to the bash character prompt ($) but the rest of the line remains and is not erased as ...
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1answer
517 views

Execute a readline function without keybinding?

I was just reading the readline man-page and disovered a bunch of great commands I didn't know about. However, several don't have default key bindings. Is there a way to execute the unbound commands ...
4
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1answer
152 views

read with history

How can I make the builtin read command support history, by pressing the up/down key to cycle through them? I've tried catching when you press the up key, however it doesn't seem to work with read: ...
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1answer
144 views

How to create cross-platform keyboard bind commands?

I'd like to have the same keyboard shortcuts in all the terminals I use. Since they don't have the same *nix on them, and since terminals can be very different, I'm looking for a reasonably portable ...
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2answers
2k views

Reading character by character with bash read

I've been trying to use bash to read a file character by character. After much trial and error, I have discovered that this works: exec 4<file.txt declare -i n while read -r ch <&4; ...
3
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1answer
558 views

How to change readline's/bash's meta key?

Readline/bash use the meta key quite often but it only works when I use the Esc-key for it. How can I configure bash/readline to accept a different key as meta?
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5answers
712 views

How to repeat currently typed in parameter on bash console?

I was just typing something along the lines of: mv foo/bar/poit/zoid/narf.txt and suddenly realized, damn, I have to type large parts of that parameter again mv foo/bar/poit/zoid/narf.txt ...
4
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1answer
866 views

bash readline: Key binding that executes an external command

(Background: I'm a long-time tcsh user, gradually transitioning to bash, and trying to find equivalents for some useful tcsh-specific features.) In tcsh, I can define a key binding that executes an ...
5
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3answers
881 views

Change $TERMINFO in bashrc script

I'm trying to set TERMINFO="$HOME/.terminfo" within my .bashrc script. The reason being is that my terminal isn't in the system terminfo location, and so I have its terminfo file in my home directory. ...
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2answers
769 views

Cannot enter a forward slash character when logging in via ssh

When I ssh into one of our servers, I cannot enter a forward slash character, which makes it difficult to do pretty much anything (like ls /). How can I get the forward slash to work? Some ...
2
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1answer
406 views

readline: unix-word-rubout, but backwards, is it possible?

I'm trying to set up my .inputrc to perform a backwards unix-word-rubout but I'm currently failing at doing so. I have M-w mapped in my .inputrc. this does not work: "\eu": universal-argument "\ew": ...
4
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2answers
232 views

How to print keyboard shortcuts in human-readable form?

It would be very useful to have a user-friendly way to get an overview of the currently defined keyboard shortcuts. In other words, given the /etc/inputrc lines "\e[A": history-search-backward ...
3
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2answers
542 views

Resuming screen with UTF8 enabled breaks character input

Overview of UTF8 screen re-attachment issues. Problem: Creating a screen that uses UTF8 works perfectly until re-attaching said screen session. Steps: ssh remothost screen -U -S ttytter [detach ...
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1answer
116 views

Disable tab autocompletion in interactive mode

I have set disable-completion on in my ~/.inputrc, however this doesn't affect php in interactive mode (php -a). I would like to copy some code from another editor to the php interactive shell which ...