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Property:read (bashcmd)
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Name-Collision - multiple objects in this wiki use the name read!
|
Bash-Command
| Command: | read (bashcmd) - type bash | Wiki | Freetz | IPPF | whmf | AVM | Web |
| Location: | Shell-Commands >> Bash-Commands - Origin: Bash | ||||||
| Path: | Release: <bash> Lab+Rel: <bash> | ||||||
| Properties: | Size: - Firmware: 7.04 - 8.00 | ||||||
| Function: | Read a line from the standard input and split it into fields. | ||||||
Goto: GPL-Browser - Dependencies - Model-Matrix - Symbols - SMW-Browser
Details
Excerpt from: Bash source >> read command
Possible #if / #endif blocks are compile options. There is no mechanism yet on BoxMatrix to detect which of these are set per model.
read [-ers] [-a array] [-d delim] [-i text] [-n nchars] [-N nchars] [-p prompt] [-t timeout] [-u fd] [name ...]
Read a line from the standard input and split it into fields.
Reads a single line from the standard input, or from file descriptor FD
if the -u option is supplied. The line is split into fields as with word
splitting, and the first word is assigned to the first NAME, the second
word to the second NAME, and so on, with any leftover words assigned to
the last NAME. Only the characters found in $IFS are recognized as word
delimiters.
If no NAMEs are supplied, the line read is stored in the REPLY variable.
Options:
-a array assign the words read to sequential indices of the array
variable ARRAY, starting at zero
-d delim continue until the first character of DELIM is read, rather
than newline
-e use Readline to obtain the line in an interactive shell
-i text use TEXT as the initial text for Readline
-n nchars return after reading NCHARS characters rather than waiting
for a newline, but honor a delimiter if fewer than
NCHARS characters are read before the delimiter
-N nchars return only after reading exactly NCHARS characters, unless
EOF is encountered or read times out, ignoring any
delimiter
-p prompt output the string PROMPT without a trailing newline before
attempting to read
-r do not allow backslashes to escape any characters
-s do not echo input coming from a terminal
-t timeout time out and return failure if a complete line of
input is not read within TIMEOUT seconds. The value of the
TMOUT variable is the default timeout. TIMEOUT may be a
fractional number. If TIMEOUT is 0, read returns
immediately, without trying to read any data, returning
success only if input is available on the specified
file descriptor. The exit status is greater than 128
if the timeout is exceeded
-u fd read from file descriptor FD instead of the standard input
Exit Status:
The return code is zero, unless end-of-file is encountered, read times out
(in which case it's greater than 128), a variable assignment error occurs,
or an invalid file descriptor is supplied as the argument to -u.
Excerpt from: bashref.info >> Bash Builtins >> read command
read [-ers] [-a ANAME] [-d DELIM] [-i TEXT] [-n NCHARS]
[-N NCHARS] [-p PROMPT] [-t TIMEOUT] [-u FD] [NAME ...]
One line is read from the standard input, or from the file
descriptor FD supplied as an argument to the '-u' option, split
into words as described above in *note Word Splitting::, and the
first word is assigned to the first NAME, the second word to the
second NAME, and so on. If there are more words than names, the
remaining words and their intervening delimiters are assigned to
the last NAME. If there are fewer words read from the input stream
than names, the remaining names are assigned empty values. The
characters in the value of the 'IFS' variable are used to split the
line into words using the same rules the shell uses for expansion
(described above in *note Word Splitting::). The backslash
character may be used to remove any special meaning for the
next character read and for line continuation. If no names are
supplied, the line read is assigned to the variable 'REPLY'. The
exit status is zero, unless end-of-file is encountered, 'read'
times out (in which case the status is greater than 128), a
variable assignment error (such as assigning to a readonly
variable) occurs, or an invalid file descriptor is supplied as the
argument to '-u'.
Options, if supplied, have the following meanings:
-a ANAME
The words are assigned to sequential indices of the array
variable ANAME, starting at 0. All elements are removed from
ANAME before the assignment. Other NAME arguments are
ignored.
-d DELIM
The first character of DELIM is used to terminate the input
line, rather than newline.
-e
Readline (*note Command Line Editing::) is used to obtain the
line. Readline uses the current (or default, if line editing
was not previously active) editing settings.
-i TEXT
If Readline is being used to read the line, TEXT is placed
into the editing buffer before editing begins.
-n NCHARS
'read' returns after reading NCHARS characters rather than
waiting for a complete line of input, but honors a delimiter
if fewer than NCHARS characters are read before the delimiter.
-N NCHARS
'read' returns after reading exactly NCHARS characters rather
than waiting for a complete line of input, unless EOF is
encountered or 'read' times out. Delimiter characters
encountered in the input are not treated specially and do not
cause 'read' to return until NCHARS characters are read. The
result is not split on the characters in 'IFS'; the intent is
that the variable is assigned exactly the characters read
(with the exception of backslash; see the '-r' option below).
-p PROMPT
Display PROMPT, without a trailing newline, before attempting
to read any input. The prompt is displayed only if input is
coming from a terminal.
-r
If this option is given, backslash does not act as an escape
character. The backslash is considered to be part of the
line. In particular, a backslash-newline pair may not be used
as a line continuation.
-s
Silent mode. If input is coming from a terminal, characters
are not echoed.
-t TIMEOUT
Cause 'read' to time out and return failure if a complete line
of input (or a specified number of characters) is not read
within TIMEOUT seconds. TIMEOUT may be a decimal number with
a fractional portion following the decimal point. This option
is only effective if 'read' is reading input from a terminal,
pipe, or other special file; it has no effect when reading
from regular files. If 'read' times out, 'read' saves any
partial input read into the specified variable NAME. If
TIMEOUT is 0, 'read' returns immediately, without trying to
read and data. The exit status is 0 if input is available on
the specified file descriptor, non-zero otherwise. The exit
status is greater than 128 if the timeout is exceeded.
-u FD
Read input from file descriptor FD.
GPL-Browser
Daily updated index of all read code findings on the GPL-Browser. Last update: 2024-11-15 05:10 GMT.
The Browse column points to the Path containing the respective source code on the gpl.boxmatrix.info service.
The SoC column lists the Chip-Codenames, the Model column lists the nicks of the Box-Models.
The Diff column links the comparison of the AVM Kernel to the pristine original from Kernel.org.
The Download column links the full tarball the respective directory content is extracted from.
The presence of the source does not mean it fits the respective model and architecture. See the Model-Matrix where it's used.
| Browse | Path | SoC | Arch | Model | Firmw | Diff | Download |
|---|---|---|---|---|---|---|---|
| puma7-atom-6591-750 | packages/bash-4.4.18/builtins | Puma7 | ATOM | 6591 | 7.50 | 4.9.279 | Download |
| puma7-atom-6670-761 | packages/bash-5.1.16/builtins | Puma7 | ATOM | 6670 | 7.61 | 5.15.111 | Download |
| 2 directories containing read source code | |||||||
Dependencies
Daily updated index of all dependencies of this command. Last update: 2024-11-15 07:53 GMT.
A * in the Mod column marks info from Supportdata-Probes, which will always stay incomplete.
| Relation | Typ | Object | Mod | Firmware | Info | Origin |
|---|---|---|---|---|---|---|
| 0 dependencies for this command | ||||||
Model-Matrix
Daily updated index of the presence, path and size of this command for each model. Last update: 2024-11-15 05:53 GMT.
Showing all models using this command. Click any column header (click-wait-click) to sort the list by the respective data.
The (main/scrpn/boot/arm/prx/atom/rtl) label in the Model column shows which CPU is meant for Multi-Linux models.
Note that this list is merged from Firmware-Probes of all known AVM firmware for a model, including Recovery.exe and Labor-Files.
| Model | Firmware | Path | Size |
|---|---|---|---|
| FRITZ!Box 6591 Cable (atom) | 7.04 - 8.00 | <bash> | |
| FRITZ!Box 6660 Cable (atom) | 7.14 - 8.00 | <bash> | |
| FRITZ!Box 6670 Cable (atom) | 7.61 - 7.90 | <bash> | |
| FRITZ!Box 6690 Cable (atom) | 7.28 - 7.90 | <bash> | |
| 4 models use this command | |||
Symbols
Daily updated index of all symbols of this command. Last update: 2024-11-15 07:53 GMT.
| Firmware | Symbol |
|---|---|
| 0 symbols for this command | |
