diff options
Diffstat (limited to 'builtins/read.def')
| -rw-r--r-- | builtins/read.def | 32 |
1 files changed, 17 insertions, 15 deletions
diff --git a/builtins/read.def b/builtins/read.def index 83bcddf4..a878387c 100644 --- a/builtins/read.def +++ b/builtins/read.def @@ -39,25 +39,27 @@ Options: 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 + -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 + 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 + 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 + -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 |