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Full Discussion: Printer queue not clearing
Top Forums UNIX for Dummies Questions & Answers Printer queue not clearing Post 302972174 by jgt on Monday 2nd of May 2016 08:28:06 AM
Old 05-02-2016
Do the following:
Code:
cd /usr/spool/lp/model
cp dumb netcat

modify netcat with vi or whatever so that it looks like:
Code:
:                                                      
#Set up some global variables.                         
: ${SPOOLDIR:=/usr/spool/lp}                           
: ${LOCALPATH:=${SPOOLDIR}/bin}                        
                                                       
copies=$4                                              
shift; shift; shift; shift; shift                      
files="$*"                                             
i=1                                                    
while [ $i -le $copies ]                               
do                                                     
        for file in $files                             
        do                                             
        /path_to_netcat/netcat -p 9100 hp451x <{$file} 
        done                                           
        i=`expr $i + 1`                                
done                                                   
                                                       
exit 0

Run scoadmin to add a local printer, selecting netcat as the model, and /dev/null as the device.
Note that the hp451x in the script should match an entry in /etc/hosts, and that the printer port number might not be 9100.
 

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mlib_VectorMulShift_U8_Mod(3MLIB)			    mediaLib Library Functions				 mlib_VectorMulShift_U8_Mod(3MLIB)

NAME
mlib_VectorMulShift_U8_Mod, mlib_VectorMulShift_U8_Sat, mlib_VectorMulShift_U8C_Mod, mlib_VectorMulShift_U8C_Sat, mlib_VectorMul- Shift_S8_Mod, mlib_VectorMulShift_S8_Sat, mlib_VectorMulShift_S8C_Mod, mlib_VectorMulShift_S8C_Sat, mlib_VectorMulShift_S16_Mod, mlib_Vec- torMulShift_S16_Sat, mlib_VectorMulShift_S16C_Mod, mlib_VectorMulShift_S16C_Sat, mlib_VectorMulShift_S32_Mod, mlib_VectorMulShift_S32_Sat, mlib_VectorMulShift_S32C_Mod, mlib_VectorMulShift_S32C_Sat - vector multiplication with shifting, in place SYNOPSIS
cc [ flag... ] file... -lmlib [ library... ] #include <mlib.h> mlib_status mlib_VectorMulShift_U8_Mod(mlib_u8 *xz, const mlib_u8 *y, mlib_s32 n, mlib_s32 shift); mlib_status mlib_VectorMulShift_U8_Sat(mlib_u8 *xz, const mlib_u8 *y, mlib_s32 n, mlib_s32 shift); mlib_status mlib_VectorMulShift_U8C_Mod(mlib_u8 *xz, const mlib_u8 *y, mlib_s32 n, mlib_s32 shift); mlib_status mlib_VectorMulShift_U8C_Sat(mlib_u8 *xz, const mlib_u8 *y, mlib_s32 n, mlib_s32 shift); mlib_status mlib_VectorMulShift_S8_Mod(mlib_s8 *xz, const mlib_s8 *y, mlib_s32 n, mlib_s32 shift); mlib_status mlib_VectorMulShift_S8_Sat(mlib_s8 *xz, const mlib_s8 *y, mlib_s32 n, mlib_s32 shift); mlib_status mlib_VectorMulShift_S8C_Mod(mlib_s8 *xz, const mlib_s8 *y, mlib_s32 n, mlib_s32 shift); mlib_status mlib_VectorMulShift_S8C_Sat(mlib_s8 *xz, const mlib_s8 *y, mlib_s32 n, mlib_s32 shift); mlib_status mlib_VectorMulShift_S16_Mod(mlib_s16 *xz, const mlib_s16 *y, mlib_s32 n, mlib_s32 shift); mlib_status mlib_VectorMulShift_S16_Sat(mlib_s16 *xz, const mlib_s16 *y, mlib_s32 n, mlib_s32 shift); mlib_status mlib_VectorMulShift_S16C_Mod(mlib_s16 *xz, const mlib_s16 *y, mlib_s32 n, mlib_s32 shift); mlib_status mlib_VectorMulShift_S16C_Sat(mlib_s16 *xz, const mlib_s16 *y, mlib_s32 n, mlib_s32 shift); mlib_status mlib_VectorMulShift_S32_Mod(mlib_s32 *xz, const mlib_s32 *y, mlib_s32 n, mlib_s32 shift); mlib_status mlib_VectorMulShift_S32_Sat(mlib_s32 *xz, const mlib_s32 *y, mlib_s32 n, mlib_s32 shift); mlib_status mlib_VectorMulShift_S32C_Mod(mlib_s32 *xz, const mlib_s32 *y, mlib_s32 n, mlib_s32 shift); mlib_status mlib_VectorMulShift_S32C_Sat(mlib_s32 *xz, const mlib_s32 *y, mlib_s32 n, mlib_s32 shift); DESCRIPTION
Each of these functions performs an in-place multiplication of two vectors and shifts the result. For real data, the following equation is used: xz[i] = xz[i] * y[i] * 2**(-shift) where i = 0, 1, ..., (n - 1). For complex data, the following equation is used: tmp = xz[2*i] xz[2*i] = (tmp*y[2*i] - xz[2*i + 1]*y[2*i + 1]) * 2**(-shift) xz[2*i + 1] = (tmp*y[2*i + 1] + xz[2*i + 1]*y[2*i]) * 2**(-shift) where i = 0, 1, ..., (n - 1). PARAMETERS
Each of the functions takes the following arguments: xz Pointer to the first element of the first source and result vector. y Pointer to the first element of the second source vector. n Number of elements in each vector. shift Right shifting factor. The ranges of valid shift are: 1 <= shift <= 8 for U8, S8, U8C, S8C types 1 <= shift <= 16 for S16, S16C types 1 <= shift <= 31 for S32, S32C types RETURN VALUES
Each of the functions returns MLIB_SUCCESS if successful. Otherwise it returns MLIB_FAILURE. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Interface Stability |Evolving | +-----------------------------+-----------------------------+ |MT-Level |MT-Safe | +-----------------------------+-----------------------------+ SEE ALSO
mlib_VectorMulShift_U8_U8_Mod(3MLIB), attributes(5) SunOS 5.10 10 Nov 2004 mlib_VectorMulShift_U8_Mod(3MLIB)
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