how to read each letter from file and store it in variable.

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LEARN ABOUT CENTOS

papersize

PAPERSIZE(5)							File Formats Manual						      PAPERSIZE(5)

NAME

       papersize - specify preferred paper size

SYNOPSYS

       /etc/papersize

DESCRIPTION

       The papersize file is used to specify the preferred paper size to use by available commands and programs generating documents.

       The  format  of this file is extremely simple: whitespace and anything starting with `#' is ignored, and the name of the paper is the first
       string found; the case in the name of the paper does not import (see CAVEATS section however).

PAPER NAMES

       The following names are commonly understood by programs: a3, a4, a5, b5, letter, legal, executive, note and 11x17.

       Additional paper names that one may encounter are: a0, a1, a2, a6, a7, a8, a9, a10, b0, b1, b2, b3, b4, tabloid, statement, note,  halflet-
       ter, halfexecutive, folio, quarto, ledger, archA, archB, archC, archD, archE, flsa, flse, csheet, dsheet, esheet and 10x14.

       The  value  of  the papersize file can be overrideen by looking in order at the PAPERSIZE environment variable, then at the contents of the
       file specified by the PAPERCONF environment variable.  If the papersize file does not exist, programs using the paper  library  default	to
       using letter as a fall-back value

CAVEATS

       This manual page documents the format of the papersize file that is read by the libpaper library.  Some programs that read this file do not
       yet use the library and may have trouble ignoring whitespace and comments in the file; they may also require that the  paper  names  use  a
       specific capitalization.

DOCUMENTATION

       Yves Arrouye <arrouye@debian.org>

SEE ALSO

       paperconf(1)
       paperconfig(8)

																      PAPERSIZE(5)

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