Problems with variable Post: 302342577

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How to define a variable with variable definition is stored in a variable?

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#!/bin/bash filecount=0 dirname=path.log exec<$dirname while read line # line by line read source file name and stored in a veribale do sourcedirname=$line ( count=`ls $sourcedirname |wc -l` filecount=`expr $filecount + $count` echo $filecount ...

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[Solved] How to increment and add variable length numbers to a variable in a loop?

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LEARN ABOUT DEBIAN

explain_pipe_or_die

explain_pipe_or_die(3)					     Library Functions Manual					    explain_pipe_or_die(3)

NAME

       explain_pipe_or_die - create pipe and report errors

SYNOPSIS

       #include <libexplain/pipe.h>
       void explain_pipe_or_die(int *pipefd);

DESCRIPTION

       The  explain_pipe_or_die  function  is used to call the pipe(2) system call.  On failure an explanation will be printed to stderr, obtained
       from explain_pipe(3), and then the process terminates by calling exit(EXIT_FAILURE).

       This function is intended to be used in a fashion similar to the following example:
	      explain_pipe_or_die(pipefd);

       pipefd  The pipefd, exactly as to be passed to the pipe(2) system call.

       Returns:
	       This function only returns on success.  On failure, prints an explanation and exits.

SEE ALSO

       pipe(2) create pipe

       explain_pipe(3)
	       explain pipe(2) errors

       exit(2) terminate the calling process

COPYRIGHT

       libexplain version 0.52
       Copyright (C) 2009 Peter Miller

															    explain_pipe_or_die(3)

10 More Discussions You Might Find Interesting

1. UNIX for Advanced & Expert Users

'make' problems (compliation problems?)

Discussion started by: xyyz

2. Shell Programming and Scripting

variable= 'cat file|wc -l' String problems

Discussion started by: Santiago

3. Shell Programming and Scripting

Problems reiterating values from txt file into a variable

Discussion started by: rdr411

4. Shell Programming and Scripting

How to define a variable with variable definition is stored in a variable?

Discussion started by: freddy1228