1<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> 2 3<html> 4 <head> 5 <meta name="generator" content="HTML Tidy, see www.w3.org"> 6 <title>Check For Nonprintable File</title> 7 <meta name="GENERATOR" content= 8 "Modular DocBook HTML Stylesheet Version 1.7"> 9 <link rel="HOME" title=" LPRng Reference Manual" href= 10 "index.htm"> 11 <link rel="UP" title="lpr - Job Spooler Program" href= 12 "lpr.htm"> 13 <link rel="PREVIOUS" title="Record Queue Name in Control File " 14 href="qq.htm"> 15 <link rel="NEXT" title="Job Filtering By LPR " href= 16 "lprbounce.htm"> 17 </head> 18 19 <body class="SECT1" bgcolor="#FFFFFF" text="#000000" link= 20 "#0000FF" vlink="#840084" alink="#0000FF"> 21 <div class="NAVHEADER"> 22 <table summary="Header navigation table" width="100%" border= 23 "0" cellpadding="0" cellspacing="0"> 24 <tr> 25 <th colspan="3" align="center">LPRng Reference Manual: 5 26 Sep 2003 (For LPRng-3.8.22)</th> 27 </tr> 28 29 <tr> 30 <td width="10%" align="left" valign="bottom"><a href= 31 "qq.htm" accesskey="P">Prev</a></td> 32 33 <td width="80%" align="center" valign="bottom">Chapter 6. 34 <b class="APPLICATION">lpr</b> - Job Spooler Program</td> 35 36 <td width="10%" align="right" valign="bottom"><a href= 37 "lprbounce.htm" accesskey="N">Next</a></td> 38 </tr> 39 </table> 40 <hr align="LEFT" width="100%"> 41 </div> 42 43 <div class="SECT1"> 44 <h1 class="SECT1"><a name="CHECKFORNONPRINTABLE">6.9. Check 45 For Nonprintable File</a></h1> 46 47 <p>Options used:</p> 48 49 <ul> 50 <li> 51 <p><var class="LITERAL">check_for_nonprintable</var> FLAG 52 <span class="emphasis"><i class="EMPHASIS"><b class= 53 "APPLICATION">lpr</b> checks for non-printable 54 file</i></span></p> 55 </li> 56 57 <li> 58 <p><var class="LITERAL">ml=</var><span class= 59 "emphasis"><i class="EMPHASIS">minimum number of 60 printable characters</i></span></p> 61 </li> 62 </ul> 63 <br> 64 <br> 65 66 <p>By default <b class="APPLICATION">lpr</b> does not check 67 files for for non-printable characters (i.e., escape 68 characters) at the start of the print file. You can set the 69 <var class="LITERAL">check_for_nonprintable</var> flag to 70 cause it to do so. The <var class="LITERAL">:ml</var> value 71 specifies the number of characters that are to be checked. 72 Clearly, if it is 0, none will be checked.</p> 73 </div> 74 75 <div class="NAVFOOTER"> 76 <hr align="LEFT" width="100%"> 77 78 <table summary="Footer navigation table" width="100%" border= 79 "0" cellpadding="0" cellspacing="0"> 80 <tr> 81 <td width="33%" align="left" valign="top"><a href= 82 "qq.htm" accesskey="P">Prev</a></td> 83 84 <td width="34%" align="center" valign="top"><a href= 85 "index.htm" accesskey="H">Home</a></td> 86 87 <td width="33%" align="right" valign="top"><a href= 88 "lprbounce.htm" accesskey="N">Next</a></td> 89 </tr> 90 91 <tr> 92 <td width="33%" align="left" valign="top">Record Queue 93 Name in Control File</td> 94 95 <td width="34%" align="center" valign="top"><a href= 96 "lpr.htm" accesskey="U">Up</a></td> 97 98 <td width="33%" align="right" valign="top">Job Filtering 99 By LPR</td> 100 </tr> 101 </table> 102 </div> 103 </body> 104</html> 105 106