Name
mapfile
Synopsis
mapfile [options] [array] readarray [options] [array]
Populate an array by reading lines from standard input and placing them into the specified array. The default array is MAPFILE. Without the -O option, mapfile clears the array before assigning entries to it.
Options
- -c count
Used with -C to specify the number of lines read between callback calls.
- -C callback
Evaluate the callback code every time count lines are read, where count is specified by -c (default is 5000).
- -n num
Read in at most num lines, or all lines if num is 0.
- -O origin
Begin assigning entries to the array at index origin (default index is 0).
- -s count
Discard the first count lines read.
- -t
Remove a trailing line from each input line.
- -u fd
Read from the given file descriptor instead of standard input.
Get Linux in a Nutshell, 6th Edition now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
