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Full Discussion: Controlling user input
Top Forums Shell Programming and Scripting Controlling user input Post 303038243 by Don Cragun on Wednesday 28th of August 2019 06:29:27 PM
Old 08-28-2019
It is pretty easy in C with fseek(stdin, 0, SEEK_END);, but I don't know of any portable (or even any way without explicit keyboard actions initiated by the user at the terminal) way to do that with shell code.

Have you considered writing this in C?

Note also that asking a question (e.g. Ready?) and expecting users not to respond seems like you're asking for unwanted input.
 

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CKEY(7) 						 Miscellaneous Information Manual						   CKEY(7)

NAME
ckey - The standard definition of each function key in cWnn system. DESCRIPTION
---------------------------------------------------------- | Function | Other | Description | Function | Function | | Keys | Keys | | In Input | In Input | | | | | State | State | | (a) | (b) | (c) | (d) | (e) | |----------+-------+---------------+------------+----------| | - | ^ |To toggle input| Similar to | Similar | | | | mode ON/OFF | (c) | to (c) | |----------+-------+---------------+------------+----------| | PF1 | - | To toggle | To Toggle | Similar | | | | phonetic input| among input| to (d) | | | | mode | methods | | |----------+-------+---------------+------------+----------| | PF2 | - | To toggle | To toggle | Similar | | | | encoded input | among input| to (d) | | | | mode | methods | | |----------+-------+---------------+------------+----------| | PF3 | - | To toggle | To toggle | Similar | | | | ASCII | among | to (d) | | | | character | different | | | | | input mode | ASCII | | | | | | character | | | | | | input | | | | | | methods | | |----------+-------+---------------+------------+----------| | PF4 | - | Toggle other | To toggle | Similar | | | | input mode | among | to (d) | | | |(only in Pinyin| different | | | | | centred input | input | | | | | environment) | methods | | | | | + | + | | | | | Toggle the | Similar to | | | | | environment | (c) | | | | | operation | | | | | | functions | | | | | |(same as PF6) | | | | | |(only in Zhuyin| | | | | | centred input | | | | | | environment & | | | | | |Combined Pinyin| | | | | | & Zhuyin input| | | | | | environment | | | |----------+-------+---------------+------------+----------| | PF5 | - | To select the | Similar to | Similar | | | | different | (c) | to (c) | | | | input keys | | | | | | allocations | | | |----------+-------+---------------+------------+----------| | PF6 | - | To toggle the | To select | Similar | | | | environment | among the | to (d) | | | | operations | different | | | | | | environment| | | | | | operation | | | | | | functions | | |----------+-------+---------------+------------+----------| | - | ^G | To quit the | Similar to | Similar | | | | environment | (c) | to (c) | | | | operation | | | | | | functions | | | |----------+-------+---------------+------------+----------| |Conversion| ^W | To perform | Similar to | Similar | | key | | Hanzi | (c) | to (d) | | | | conversion | + | | | | | | To list out| | | | | | possible | | | | | | candidates | | |----------+-------+---------------+------------+----------| |Conversion| - | To extract a | - | Similar | | key | | candidate from| | to (c) | | | | the candidate | | | | | | list | | | |----------+-------+---------------+------------+----------| | - | ^Z | To treat the | Similar to | Similar | | | | input string | (c) | to (d) | | | | as a phrase & | + | | | | | perform phrase| To list out| | | | | conversion | possible | | | | | | phrase | | | | | | candidates | | |----------+-------+---------------+------------+----------| | Confirm | ^L | To confirm the| Similar to | Similar | | key | | conversion | (c) | to (d) | | | | result | | | |----------+-------+---------------+------------+----------| | Confirm | - | To extract a | - | Similar | | key | | candidate | | to (c) | | | | from the | | | | | | candidate list| | | |----------+-------+---------------+------------+----------| | Right | ^F | To move cursor| To move the| Similar | | arrow | | one position | cursor one | to (d) | | key | | to the right | unit to the| + | | | | during input | right | To move | | | | state, edit | | to the | | | | state, & when | | next | | | | using PF6 | | candidate| | | | functions | | on the | | | | | | right | |----------+-------+---------------+------------+----------| | Left | ^B | To move cursor| To move the| Similar | | arrow | | one position | cursor one | to (d) | | key | | to the left | unit to the| + | | | | during input | left | To move | | | | state, edit | | to the | | | | state, & when | | next | | | | using PF6 | | candidate| | | | functions | | on the | | | | | | left | |----------+-------+---------------+------------+----------| | Up | ^P | To move to the| Similar to | Similar | | arrow | | previous menu | (c) | to (c) | | key | | or previous | + | + | | | | set of | To recall | To obtain| | | | candidates. | the | the | | | | Also apply | previous | previous | | | | when using | input | single | | | | functions in | | candidate| | | | PF6 | | | |----------+-------+---------------+------------+----------| | Down | ^N | To move to the| Similar to | Similar | | arrow | | next menu or | (c) | to (c) | | key | | the next set | + | + | | | | of candidates.| To recall | To obtain| | | | Also apply | the | the | | | | when using | next input | next | | | | functions in | | single | | | | PF6 | | candidate| |----------+-------+---------------+------------+----------| | - | ^D | To delete an | Similar to | Similar | | | | input unit | (c) | to (d) | | | | + | | | | | | Delete a word | | | | | | or character, | | | | | | or dictionary | | | | | | in the | | | | | | environment | | | | | | operations PF6| | | |----------+-------+---------------+------------+----------| | Backspace| - | To delete an | Similar to | Similar | | key | | input | (c) | to (c) | | | | character | | | |----------+-------+---------------+------------+----------| | - | ^E | Move cursor to| Move cursor| Move the | | | | the last input| to the last| cursor to| | | | unit (end) or | unit of the| the last | | | | to the last | user input | candidate| | | | candidate of | string | in the | | | | the list. | | current | | | | Also apply | | set of | | | | when using | | candidate| | | | functions in | | | | | | PF6 | | | |----------+-------+---------------+------------+----------| | - | ^A | Move cursor to| Move cursor| Move the | | | | the first | to the | cursor to| | | | unit | first unit | the last | | | | (beginning) or| of the user| candidate| | | | to the first | input | in the | | | | candidate of | string | current | | | | of the list | | set of | | | | Also apply | | candidate| | | | when using | | | | | | functions in | | | | | | PF6 | | | |----------+-------+---------------+------------+----------| | - | ^K | To undo a | To delete | Similar | | | | conversion | an input | to (d) | | | | from the | string from| + | | | | cursor | the cursor | Similar | | | | position to | position to| to (c) | | | | the end of the| the end of | If press | | | | input string | the input | twice, | | | |(if press once)| string | will | | | | |(press once)| cancel | | | | | | the whole| | | | | | converted| | | | | | Hanzi | | | | | | string | |----------+-------+---------------+------------+----------| | - | ^I | To shorten the| - | Separate | | | | length of a | | a word | | | | word phrase by| | into | | | | one character | |individual| | | | | |characters| |----------+-------+---------------+------------+----------| | - | ^O | To extend the | - | Join the | | | | length of a | |characters| | | | word phrase by| | into one | | | | one character | | word | |----------+-------+---------------+------------+----------| | - | ^G | To extract a | - | Similar | | | | candidate from| | to (c) | | | | the candidate | | | | | | list | | | |----------+-------+---------------+------------+----------| | - | ^C | To perform | - | Re-enter | | | | reverse | | into the | | | | conversion | | input or | | | | | | insert | | | | | | mode | | | | | | (if press| | | | | | once ) | | | | | | + | | | | | | Perform | | | | | | reverse | | | | | |conversion| | | | | | (if press| | | | | | twice ) | ---------------------------------------------------------- 13 May 1992 CKEY(7)
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