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August 24, 2015 01:30
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XARGS(1) BSD General Commands Manual XARGS(1) | |
NAME | |
xargs -- construct argument list(s) and execute utility | |
SYNOPSIS | |
xargs [-0opt] [-E eofstr] [-I replstr [-R replacements]] [-J replstr] [-L number] [-n number [-x]] | |
[-P maxprocs] [-s size] [utility [argument ...]] | |
-J replstr | |
If this option is specified, xargs will use the data read from standard input to replace | |
the first occurrence of replstr instead of appending that data after all other arguments. | |
This option will not affect how many arguments will be read from input (-n), or the size | |
of the command(s) xargs will generate (-s). The option just moves where those arguments | |
will be placed in the command(s) that are executed. The replstr must show up as a dis- | |
tinct argument to xargs. It will not be recognized if, for instance, it is in the middle | |
of a quoted string. Furthermore, only the first occurrence of the replstr will be | |
replaced. For example, the following command will copy the list of files and directories | |
which start with an uppercase letter in the current directory to destdir: | |
/bin/ls -1d [A-Z]* | xargs -J % cp -rp % destdir |
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