Top Forums UNIX for Dummies Questions & Answers Copy a command string from the command line Post 302355497 by Pouchie1 on Tuesday 22nd of September 2009 10:22:12 PM
Old 09-23-2009
Copy a command string from the command line

How can we copy a command string from a previous command line and paste it into the cursor position on the current command line? I know that ^c will not work as the shell will interpret as an interrupt signal.


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EDITRC(5)						      BSD File Formats Manual							 EDITRC(5)

editrc -- configuration file for editline library SYNOPSIS
The editrc file defines various settings to be used by the editline(3) library. The format of each line is: [prog:]command [arg [...]] command is one of the editline(3) builtin commands. Refer to BUILTIN COMMANDS for more information. prog is the program name string that a program defines when it calls el_init(3) to set up editline(3), which is usually argv[0]. command will be executed for any program which matches prog. prog may also be a regex(3) style regular expression, in which case command will be executed for any program that matches the regular expres- sion. If prog is absent, command is executed for all programs. BUILTIN COMMANDS
The editline library has some builtin commands, which affect the way that the line editing and history functions operate. These are based on similar named builtins present in the tcsh(1) shell. The following builtin commands are available: bind [-a] [-e] [-k] [-l] [-r] [-s] [-v] [key [command]] Without options, list all bound keys, and the editor command to which each is bound. If key is supplied, show the bindings for key. If key command is supplied, bind command to key. Options include: -e Bind all keys to the standard GNU Emacs-like bindings. -v Bind all keys to the standard vi(1)-like bindings. -a List or change key bindings in the vi(1) mode alternate (command mode) key map. -k key is interpreted as a symbolic arrow key name, which may be one of 'up', 'down', 'left' or 'right'. -l List all editor commands and a short description of each. -r Remove a key's binding. -s command is taken as a literal string and treated as terminal input when key is typed. Bound keys in command are themselves rein- terpreted, and this continues for ten levels of interpretation. command may be one of the commands documented in EDITOR COMMANDS below, or another key. key and command can contain control characters of the form '^character' (e.g. '^A'), and the following backslashed escape sequences: a Bell  Backspace e Escape f Formfeed Newline Carriage return Horizontal tab v Vertical tab nn The ASCII character corresponding to the octal number nnn. '' nullifies the special meaning of the following character, if it has any, notably '' and '^'. echotc [-sv] arg ... Exercise terminal capabilities given in arg .... If arg is 'baud', 'cols', 'lines', 'rows', 'meta or' 'tabs', the value of that capa- bility is printed, with ``yes'' or ``no'' indicating that the terminal does or does not have that capability. -s returns an empty string for non-existent capabilities, rather than causing an error. -v causes messages to be verbose. edit [on | off] Enable or disable the editline functionality in a program. history list | size n | unique n The list command lists all entries in the history. The size command sets the history size to n entries. The unique command controls if history should keep duplicate entries. If n is non zero, only keep unique history entries. If n is zero, then keep all entries (the default). telltc List the values of all the terminal capabilities (see termcap(5)). settc cap val Set the terminal capability cap to val, as defined in termcap(5). No sanity checking is done. setty [-a] [-d] [-q] [-x] [+mode] [-mode] [mode] [char=c] Control which tty modes that editrc won't allow the user to change. -d, -q or -x tells setty to act on the 'edit', 'quote' or 'execute' set of tty modes respectively; defaulting to -x. Without other arguments, setty lists the modes in the chosen set which are fixed on ('+mode') or off ('-mode'). -a lists all tty modes in the chosen set regardless of the setting. With +mode, -mode or mode, fixes mode on or off or removes control of mode in the chosen set. Setty can also be used to set tty characters to particular values using char=value. If value is empty then the character is set to _POSIX_VDISABLE. EDITOR COMMANDS
The following editor commands are available for use in key bindings: vi-paste-next Vi paste previous deletion to the right of the cursor. vi-paste-prev Vi paste previous deletion to the left of the cursor. vi-prev-space-word Vi move to the previous space delimited word. vi-prev-word Vi move to the previous word. vi-next-space-word Vi move to the next space delimited word. vi-next-word Vi move to the next word. vi-change-case Vi change case of character under the cursor and advance one character. vi-change-meta Vi change prefix command. vi-insert-at-bol Vi enter insert mode at the beginning of line. vi-replace-char Vi replace character under the cursor with the next character typed. vi-replace-mode Vi enter replace mode. vi-substitute-char Vi replace character under the cursor and enter insert mode. vi-substitute-line Vi substitute entire line. vi-change-to-eol Vi change to end of line. vi-insert Vi enter insert mode. vi-add Vi enter insert mode after the cursor. vi-add-at-eol Vi enter insert mode at end of line. vi-delete-meta Vi delete prefix command. vi-end-word Vi move to the end of the current space delimited word. vi-to-end-word Vi move to the end of the current word. vi-undo Vi undo last change. vi-command-mode Vi enter command mode (use alternative key bindings). vi-zero Vi move to the beginning of line. vi-delete-prev-char Vi move to previous character (backspace). vi-list-or-eof Vi list choices for completion or indicate end of file if empty line. vi-kill-line-prev Vi cut from beginning of line to cursor. vi-search-prev Vi search history previous. vi-search-next Vi search history next. vi-repeat-search-next Vi repeat current search in the same search direction. vi-repeat-search-prev Vi repeat current search in the opposite search direction. vi-next-char Vi move to the character specified next. vi-prev-char Vi move to the character specified previous. vi-to-next-char Vi move up to the character specified next. vi-to-prev-char Vi move up to the character specified previous. vi-repeat-next-char Vi repeat current character search in the same search direction. vi-repeat-prev-char Vi repeat current character search in the opposite search direction. em-delete-or-list Delete character under cursor or list completions if at end of line. em-delete-next-word Cut from cursor to end of current word. em-yank Paste cut buffer at cursor position. em-kill-line Cut the entire line and save in cut buffer. em-kill-region Cut area between mark and cursor and save in cut buffer. em-copy-region Copy area between mark and cursor to cut buffer. em-gosmacs-transpose Exchange the two characters before the cursor. em-next-word Move next to end of current word. em-upper-case Uppercase the characters from cursor to end of current word. em-capitol-case Capitalize the characters from cursor to end of current word. em-lower-case Lowercase the characters from cursor to end of current word. em-set-mark Set the mark at cursor. em-exchange-mark Exchange the cursor and mark. em-universal-argument Universal argument (argument times 4). em-meta-next Add 8th bit to next character typed. em-toggle-overwrite Switch from insert to overwrite mode or vice versa. em-copy-prev-word Copy current word to cursor. em-inc-search-next Emacs incremental next search. em-inc-search-prev Emacs incremental reverse search. ed-end-of-file Indicate end of file. ed-insert Add character to the line. ed-delete-prev-word Delete from beginning of current word to cursor. ed-delete-next-char Delete character under cursor. ed-kill-line Cut to the end of line. ed-move-to-end Move cursor to the end of line. ed-move-to-beg Move cursor to the beginning of line. ed-transpose-chars Exchange the character to the left of the cursor with the one under it. ed-next-char Move to the right one character. ed-prev-word Move to the beginning of the current word. ed-prev-char Move to the left one character. ed-quoted-insert Add the next character typed verbatim. ed-digit Adds to argument or enters a digit. ed-argument-digit Digit that starts argument. ed-unassigned Indicates unbound character. ed-tty-sigint Tty interrupt character. ed-tty-dsusp Tty delayed suspend character. ed-tty-flush-output Tty flush output characters. ed-tty-sigquit Tty quit character. ed-tty-sigtstp Tty suspend character. ed-tty-stop-output Tty disallow output characters. ed-tty-start-output Tty allow output characters. ed-newline Execute command. ed-delete-prev-char Delete the character to the left of the cursor. ed-clear-screen Clear screen leaving current line at the top. ed-redisplay Redisplay everything. ed-start-over Erase current line and start from scratch. ed-sequence-lead-in First character in a bound sequence. ed-prev-history Move to the previous history line. ed-next-history Move to the next history line. ed-search-prev-history Search previous in history for a line matching the current. ed-search-next-history Search next in history for a line matching the current. ed-prev-line Move up one line. ed-next-line Move down one line. ed-command Editline extended command. SEE ALSO
editline(3), regex(3), termcap(5) AUTHORS
The editline library was written by Christos Zoulas, and this manual was written by Luke Mewburn, with some sections inspired by tcsh(1). BSD
October 18, 2003 BSD

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