fork of https://github.com/oxigraph/rocksdb and https://github.com/facebook/rocksdb for nextgraph and oxigraph
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
112 lines
4.1 KiB
112 lines
4.1 KiB
.TH XARGS 1L \" -*- nroff -*-
|
|
.SH NAME
|
|
xargs \- build and execute command lines from standard input
|
|
.SH SYNOPSIS
|
|
.B xargs
|
|
[\-0prtx] [\-e[eof-str]] [\-i[replace-str]] [\-l[max-lines]]
|
|
[\-n max-args] [\-s max-chars] [\-P max-procs] [\-\-null] [\-\-eof[=eof-str]]
|
|
[\-\-replace[=replace-str]] [\-\-max-lines[=max-lines]] [\-\-interactive]
|
|
[\-\-max-chars=max-chars] [\-\-verbose] [\-\-exit] [\-\-max-procs=max-procs]
|
|
[\-\-max-args=max-args] [\-\-no-run-if-empty] [\-\-version] [\-\-help]
|
|
[command [initial-arguments]]
|
|
.SH DESCRIPTION
|
|
This manual page
|
|
documents the GNU version of
|
|
.BR xargs .
|
|
.B xargs
|
|
reads arguments from the standard input, delimited by blanks (which can be
|
|
protected with double or single quotes or a backslash) or newlines,
|
|
and executes the
|
|
.I command
|
|
(default is /bin/echo) one or more times with any
|
|
.I initial-arguments
|
|
followed by arguments read from standard input. Blank lines on the
|
|
standard input are ignored.
|
|
.P
|
|
.B xargs
|
|
exits with the following status:
|
|
.nf
|
|
0 if it succeeds
|
|
123 if any invocation of the command exited with status 1-125
|
|
124 if the command exited with status 255
|
|
125 if the command is killed by a signal
|
|
126 if the command cannot be run
|
|
127 if the command is not found
|
|
1 if some other error occurred.
|
|
.fi
|
|
.SS OPTIONS
|
|
.TP
|
|
.I "\-\-null, \-0"
|
|
Input filenames are terminated by a null character instead of by
|
|
whitespace, and the quotes and backslash are not special (every
|
|
character is taken literally). Disables the end of file string, which
|
|
is treated like any other argument. Useful when arguments might
|
|
contain white space, quote marks, or backslashes. The GNU find
|
|
\-print0 option produces input suitable for this mode.
|
|
.TP
|
|
.I "\-\-eof[=eof-str], \-e[eof-str]"
|
|
Set the end of file string to \fIeof-str\fR. If the end of file
|
|
string occurs as a line of input, the rest of the input is ignored.
|
|
If \fIeof-str\fR is omitted, there is no end of file string. If this
|
|
option is not given, the end of file string defaults to "_".
|
|
.TP
|
|
.I "\-\-help"
|
|
Print a summary of the options to
|
|
.B xargs
|
|
and exit.
|
|
.TP
|
|
.I "\-\-replace[=replace-str], \-i[replace-str]"
|
|
Replace occurences of \fIreplace-str\fR in the initial arguments with
|
|
names read from standard input.
|
|
Also, unquoted blanks do not terminate arguments.
|
|
If \fIreplace-str\fR is omitted, it
|
|
defaults to "{}" (like for `find \-exec'). Implies \fI\-x\fP and
|
|
\fI\-l 1\fP.
|
|
.TP
|
|
.I "\-\-max-lines[=max-lines], -l[max-lines]"
|
|
Use at most \fImax-lines\fR nonblank input lines per command line;
|
|
\fImax-lines\fR defaults to 1 if omitted. Trailing blanks cause an
|
|
input line to be logically continued on the next input line. Implies
|
|
\fI\-x\fR.
|
|
.TP
|
|
.I "\-\-max-args=max-args, \-n max-args"
|
|
Use at most \fImax-args\fR arguments per command line. Fewer than
|
|
\fImax-args\fR arguments will be used if the size (see the \-s option)
|
|
is exceeded, unless the \-x option is given, in which case \fBxargs\fR
|
|
will exit.
|
|
.TP
|
|
.I "\-\-interactive, \-p"
|
|
Prompt the user about whether to run each command line and read a line
|
|
from the terminal. Only run the command line if the response starts
|
|
with `y' or `Y'. Implies \fI\-t\fR.
|
|
.TP
|
|
.I "\-\-no-run-if-empty, \-r"
|
|
If the standard input does not contain any nonblanks, do not run the
|
|
command. Normally, the command is run once even if there is no input.
|
|
.TP
|
|
.I "\-\-max-chars=max-chars, \-s max-chars"
|
|
Use at most \fImax-chars\fR characters per command line, including the
|
|
command and initial arguments and the terminating nulls at the ends of
|
|
the argument strings. The default is as large as possible, up to 20k
|
|
characters.
|
|
.TP
|
|
.I "\-\-verbose, \-t"
|
|
Print the command line on the standard error output before executing
|
|
it.
|
|
.TP
|
|
.I "\-\-version"
|
|
Print the version number of
|
|
.B xargs
|
|
and exit.
|
|
.TP
|
|
.I "\-\-exit, \-x"
|
|
Exit if the size (see the \fI\-s\fR option) is exceeded.
|
|
.TP
|
|
.I "\-\-max-procs=max-procs, \-P max-procs"
|
|
Run up to \fImax-procs\fR processes at a time; the default is 1. If
|
|
\fImax-procs\fR is 0, \fBxargs\fR will run as many processes as
|
|
possible at a time. Use the \fI\-n\fR option with \fI\-P\fR;
|
|
otherwise chances are that only one exec will be done.
|
|
.SH "SEE ALSO"
|
|
\fBfind\fP(1L), \fBlocate\fP(1L), \fBlocatedb\fP(5L), \fBupdatedb\fP(1)
|
|
\fBFinding Files\fP (on-line in Info, or printed)
|
|
|