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LAM(1) FreeBSD General Commands Manual LAM(1) NAME lam - laminate files SYNOPSIS lam [-F|f min.max] [-P|p min.max] [-S|s sepstring] [-T|t c] file ... DESCRIPTION lam copies the named files side by side onto the standard output. The n-th input lines from the input files are considered fragments of the single long n-th output line into which they are assembled. The name "-" means the standard input, and may be repeated. The options are as follows: -F|f min.max Print line fragments according to the format string min.max, where min is the minimum field width and max the maximum field width. If min begins with a zero, zeros will be prepended to make up the field width instead of blanks, and if it begins with a `-', the fragment will be left- adjusted within the field. If -f is used, it affects only the file after it; if -F is used, it affects all subsequent files until it appears again uncapitalized. -P|p min.max Like -f, but pad this file's field when end-of-file is reached and other files are still active. If -p is used, it affects only the file after it; if -P is used, it affects all subsequent files until it appears again uncapitalized. -S|s sepstring Print sepstring before printing line fragments from the next file. This option may appear after the last file. If -s is used, it affects only the file after it; if -S is used, it affects all subsequent files until it appears again uncapitalized. -T|t c The input line terminator is c instead of a newline. The newline normally appended to each output line is omitted. If -t is used, it affects only the file after it; if -T is used, it affects all subsequent files until it appears again uncapitalized. To print files simultaneously for easy viewing use pr(1). ENVIRONMENT LC_CTYPE The character encoding locale(1). It determines the display widths of characters used by the -f and -p options. If unset or set to "C", "POSIX", or an unsupported value, each byte is regarded as a character of display width 1. EXAMPLES Join four files together along each line: $ lam file1 file2 file3 file4 Merge the lines from four different files: $ lam file1 -S "\ " file2 file3 file4 Join every two lines of a file: $ lam - - < file A form letter with substitutions keyed by `@' can be done with: $ lam -t @ letter changes SEE ALSO join(1), pr(1), printf(1) HISTORY The lam utility first appeared in 4.2BSD. AUTHORS John A. Kunze FreeBSD 14.1-RELEASE-p8 December 2, 2021 FreeBSD 14.1-RELEASE-p8