删除键在命令行上不起作用

kmo*_*ort 15 keyboard-shortcuts ksh

**注意:我在 SuperUser 上问了同样的问题,但没有得到任何回应。我现在意识到这是一个更适合这个特定问题的论坛。*

在 ksh shell 中,Delete 键在命令行上无法正常工作。当我按 Delete 时,我得到一个 ~ 。

我如何能:

  1. “删除光标处的字符”的功能绑定 到删除键盘按钮?(Control-D 的行为就像我希望删除按钮起作用一样,而我使用别名的尝试没有成功,而且很可能是幼稚的。)
  2. 将“移至行首”的功能绑定到主键盘按钮?(Control A 现在可以这样做,但我希望 Home 可以这样做。)
  3. 将“移到行尾”的功能绑定到结束键盘按钮?(Control E 现在执行此操作,但我想结束它。)

最终(?)更新

我偶然发现了一些有效的东西,但我不明白为什么。这有效:

bind '^[[3'=prefix-2
bind '^[[3~'=delete-char-forward
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根据http://www.qnx.com/developers/docs/6.3.2/neutrino/utilities/k/ksh.html#bind

prefix-2
Key binding: ^X, ^[[
Introduces a 2-character command sequence.
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所以我更新的问题是为什么我需要使用prefix-2它?请帮我翻译,这样我就可以理解了,这样我就不必再为这件事烦扰大家了。

旧的东西如下

更新

事实证明,QNX 中的 ESC 是^[. 使用该命令,bind '^[[3~'='delete-char-backward'我可以让光标用~. 这至少是一些进步——我现在知道如何为 shell拼写Delete Key。我在网上看到的大多数东西都说删除键是^?,但这似乎对我不起作用。另外,我应该提到我正在通过 PuTTy 访问它。

我不明白,因为Control D做了我想要删除键做的事情。我尝试eot-or-delete再次绑定它无济于事。

这应该很简单吧?

更新 2:

 bind | grep prefix
^X = prefix-2
^[ = prefix-1
ÿ = prefix-3
^[O = prefix-2
^[[ = prefix-2


bind | grep '[^ -~]'
ÿ = prefix-3
à  = beginning-of-line
à¡ = up-history
ठ= backward-char
ঠ= forward-char
ਠ= end-of-line
à© = down-history
ଠ= delete-char-forward
à´ = backward-word
à¶ = forward-word
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更新 3:更多我的设置

环境设置

 echo $ENV
/etc/kshrc
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BIND 完成输出

bind
^A = beginning-of-line
^B = backward-char
^C = abort
^D = eot-or-delete
^E = end-of-line
^F = forward-char
^G = abort
^H = delete-char-backward
^I = complete
^J = newline
^K = kill-to-eol
^L = redraw
^M = newline
^N = down-history
^O = newline-and-next
^P = up-history
^R = search-history
^T = transpose-chars
^U = kill-line
^V = version
^W = kill-region
^X = prefix-2
^Y = yank
^[ = prefix-1
^\ = no-op
^] = search-character-forward
^^ = quote
^_ = eot
^? = delete-char-backward
ÿ = prefix-3
^[^H = delete-word-backward
^[^X = complete-file
^[^[ = complete
^[^] = search-character-backward
^[  = set-mark-command
^[# = comment
^[* = expand-file
^[. = prev-hist-word
^[0 = set-arg
^[1 = set-arg
^[2 = set-arg
^[3 = set-arg
^[4 = set-arg
^[5 = set-arg
^[6 = set-arg
^[7 = set-arg
^[8 = set-arg
^[9 = set-arg
^[< = beginning-of-history
^[= = complete-list
^[> = end-of-history
^[? = list
^[C = capitalize-word
^[L = downcase-word
^[O = prefix-2
^[U = upcase-word
^[[ = prefix-2
^[_ = prev-hist-word
^[b = backward-word
^[c = capitalize-word
^[d = delete-word-forward
^[f = forward-word
^[g = goto-history
^[h = delete-word-backward
^[l = downcase-word
^[u = upcase-word
^[y = yank-pop
^[^? = delete-word-backward
^X^X = exchange-point-and-mark
^X^Y = list-file
^X^[ = complete-command
^X? = list-command
^XA = up-history
^XB = down-history
^XC = forward-char
^XD = backward-char
^XH = beginning-of-line
^XP = delete-char-forward
^XY = end-of-line
^Xc = forward-word
^Xd = backward-word
^Xw = end-of-line
à  = beginning-of-line
à¡ = up-history
ठ= backward-char
ঠ= forward-char
ਠ= end-of-line
à© = down-history
ଠ= delete-char-forward
à´ = backward-word
à¶ = forward-word
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/etc/kshrc

/etc # cat kshrc
case $- in
*i*)
    export SHELL_COLOR_BLUE="print -n \\033[0;34m"
    export SHELL_COLOR_GREEN="print -n \\033[0;32m"
    export SHELL_COLOR_RED="print -n \\033[0;31m"
    export SHELL_COLOR_LIGHTGRAY="print -n \\033[0;37m"
    export SHELL_COLOR_YELLOW="print -n \\033[1;33m"

    export COLOR_BLACK="\\033[0;30m"
    export COLOR_BLUE="\\033[0;34m"
    export COLOR_GREEN="\\033[0;32m"
    export COLOR_CYAN="\\033[0;36m"
    export COLOR_RED="\\033[0;31m"
    export COLOR_PURPLE="\\033[0;35m"
    export COLOR_BROWN="\\033[0;33m"
    export COLOR_LIGHTGRAY="\\033[0;37m"
    export COLOR_DARKGRAY="\\033[1;30m"
    export COLOR_LIGHTBLUE="\\033[1;34m"
    export COLOR_LIGHTGREEN="\\033[1;32m"
    export COLOR_LIGHTCYAN="\\033[1;36m"
    export COLOR_LIGHTRED="\\033[1;31m"
    export COLOR_LIGHTPURPLE="\\033[1;35m"
    export COLOR_YELLOW="\\033[1;33m"
    export COLOR_WHITE="\\033[1;37m"

    if [[ `id -u` -eq 0 ]]; then
        export PS1=`$SHELL_COLOR_RED`'$(hostname -s):'`$SHELL_COLOR_YELLOW`'$(pwd) # '`$SHELL_COLOR_LIGHTGRAY`
    else
        export PS1=`$SHELL_COLOR_BLUE`'$(hostname -s):'`$SHELL_COLOR_GREEN`'$(pwd) $ '`$SHELL_COLOR_LIGHTGRAY`
    fi

esac
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腻子设置:

在此处输入图片说明

可能重要也可能无关紧要但可以提供背景的注释:

外壳是“PD KSH v5.2.14 99/07/13.2”。是的,我没有升级的选项……它是一个嵌入式系统。“获得现代外壳”不是一个可行的答案。操作系统为 QNX Neutrino 6.4.1。

绑定显示以下内容:

 bind | grep del
^D = eot-or-delete
^H = delete-char-backward
^? = delete-char-backward
^[^H = delete-word-backward
^[d = delete-word-forward
^[h = delete-word-backward
^[^? = delete-word-backward
^XP = delete-char-forward
ଠ= delete-char-forward
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infocmp 显示以下内容:

infocmp  #      Reconstructed via infocmp from file:
/usr/lib/terminfo/x/xterm xterm|vs100|xterm terminal emulator,
        am, km, mir, msgr, xenl, xon,
        cols#80, it#8, lines#65, vt@,
        acsc=Oa``aaffggjjkkllmmnnooppqqrrssttuuvvwwxxyyzz{{||}}~~,
        bel=^G, blink=@, bold=\E[1m, clear=\E[H\E[2J, cr=^M,
        csr=\E[%i%p1%d;%p2%dr, cub=\E[%p1%dD, cub1=^H,
        cud=\E[%p1%dB, cud1=\E[B, cuf=\E[%p1%dC, cuf1=\E[C,
        cup=\E[%i%p1%d;%p2%dH, cuu=\E[%p1%dA, cuu1=\E[A,
        dch=\E[%p1%dP, dch1=\E[P, dl=\E[%p1%dM, dl1=\E[M, ed=\E[J,
        el=\E[K, el1=\E[1K$<3>, enacs=\E(B\E)0, home=\E[H, ht=^I,
        hts=\EH, ich=\E[%p1%d@, ich1=\E[2~, il=\E[%p1%dL, il1=\E[L,
        ind=^J, is1=\E=\E[?1l, kBEG=\ENn, kCPY=\ENs, kCRT=\ENt,
        kDL=\ENv, kEXT=\ENw, kFND=\ENx, kHLP=\ENy, kOPT=\ENz,
        ka3=\EOs, kb2=\EOr, kbs=^H, kc1=\EOq, kcan=\EOm, kclo=\ENc,
        kclr=\ENa, kcmd=\EOu, kcub1=\E[D, kcud1=\E[B, kcuf1=\E[C,
        kcuu1=\E[A, kdch1=\E[P, kend=\E[9, kf1=\E[11~, kf10=\E[21~,
        kf11=\E[23~, kf12=\E[24~, kf2=\E[12~, kf3=\E[13~,
        kf4=\E[14~, kf5=\E[15~, kf6=\E[17~, kf7=\E[18~, kf8=\E[19~,
        kf9=\E[20~, kfnd=\ENf, khlp=\ENh, khome=\E[8, khts=\ENb,
        kich1=\E[2~, kmov=\ENi, kmrk=\ENm, kmsg=\ENe, knp=\E[6~,
        kopn=\ENo, kopt=\ENk, kpp=\E[5~, kref=\ENl, kres=\ENp,
        krfr=\ENg, krpl=\ENr, krst=\ENj, ksav=\ENq, kslt=\EOM,
        ktbc=\ENd, kund=\ENu, rc=\E8, rev=\E[7m, ri=\EM, rmacs=^O,
        rmam=\E[?7l, rmkx=\E>, rmso=\E[m,
        rs1=\E>\E[1;3;4;5;6l\E[?7h\E[m\E[r\E[2J\E[H, rs2=@,
        sc=\E7,
        setb=\E[4%?%p1%{1}%=%t4%e%p1%{3}%=%t6%e%p1%{4}%=%t1%e%p1%{6}%=%t3%e%p1%d%;m,
        setf=\E[3%?%p1%{1}%=%t4%e%p1%{3}%=%t6%e%p1%{4}%=%t1%e%p1%{6}%=%t3%e%p1%d%;m,
        sgr=\E[0%?%p1%p6%|%t;1%;%?%p2%t;4%;%?%p1%p3%|%t;7%;%?%p4%t;5%;m,
        sgr0=\E[m, smacs=^N, smam=\E[?7h, smkx=\E=, smso=\E[7m,
        tbc=\E[3g,
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stty 显示以下内容:

stty Name:  /dev/ttyp0 Type:  pseudo Opens: 2
+edit +echok +echonl
+osflow  intr=^C  quit=^\ erase=^?  kill=^U   eof=^D start=^Q  stop=^S  susp=^Z lnext=^V   min=01  time=00   pr1=^[   pr2=5B  left=44 right=43
up=41  down=42   ins=40   del=50  home=48   end=59
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kmo*_*ort 10

对于 Google 员工:

哇。对于应该如此简单的事情,这很难。

短溶液是使用以下设置的删除键(kshrc或其它地方),

bind '^[[3'=prefix-2
bind '^[[3~'=delete-char-forward
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并将您的 PuTTy 终端设置设置为rxvt而不是Standard.

腻子设置

真正帮助我完成这项工作的是:http : //www.mail-archive.com/misc@openbsd.org/msg81796.html

ksh 用 home 键和 end 键做傻事。基本上,我无法同时区分 Home、End 和 Delete 之间的区别。无论最后绑定的是什么,所有三个键都可以。更改 PuTTy 为这些密钥发送的内容有很大帮助。

注意:有些人建议您是否想在按下某个键时查看 shell 正在获取什么代码,请键入cat,按 Enter,然后按下该键。对于我的外壳,这不起作用。我得到~了所有的控制键。我所做的是按Esc一次,然后按键。控制代码将显示然后显示。使用该控制代码bind就可以了。