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Full Discussion: script with mail
Top Forums Shell Programming and Scripting script with mail Post 302682741 by academico69 on Monday 6th of August 2012 08:51:26 PM
Old 08-06-2012
Quote:
Originally Posted by kshji
[ is command and need arguments and argument delimiters, it is not bracket like in the programming languages.
if variable is empty, then you get error if value is empty. In that case double quotes => you have always argumen even it's empty.
$a is not same as "$a" in the command line if value of the a is empty.
Code:
#!/bin/bash

limite=3
a=1

while [  "$a"  -le  "$limite"  ]   # this is okay, no problem
# or while (( a <= limite ))
do

if  [  "$a"  -eq 1 ]   # delimiters after command [ and between arguments 
# or if  (( a == 1 ))
then
    pru=/usr/bin/mei.txt
    cat $pru | mail -s "IMEIS" account@domain.com
fi

if  [ "$a"  -eq  2 ]
# or  if (( a == 2 ))
then
    pru=/usr/bin/mei2.txt
   cat $pru | mail -s "IMEIS" account@domain.com
fi
  
#$a=$a+1
((a=a+1))   # works fine in ksh and bash, but not in dash
a=$((a+1)) # posix compatible version
# or use let command, it's also builtin command, expr does not

done

if [ "$a" -eq 2 ]
# or if (( a == 2 ))
then
   a=1
fi




thank you very much but , i have a problem

the code now is

Code:
#!/bin/bash

limite=2
a=1

while [  "$a"  -le  "$limite"  ];   # this is okay, no problem

do

if  [  "$a"  -eq "1" ];   

then
    pru=/usr/bin/mei.txt
    cat $pru | mail -s "IMEIS" account@domain.com
fi

if  [ "$a"  -eq  "2" ];

then
    pru=/usr/bin/mei2.txt
   cat $pru | mail -s "IMEIS" account@domain.com
fi


a=$((a+1)) # posix compatible version


done

if [ "$a" -eq "2" ];

then
   a=1
fi


they not have sintax error but , the send me 2 mails , the if not found , i dont know really why.
 

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LEARN ABOUT OPENSOLARIS

basename

basename(1)							   User Commands						       basename(1)

NAME

       basename, dirname - deliver portions of path names

SYNOPSIS

       /usr/bin/basename string [suffix]

       /usr/xpg4/bin/basename string [suffix]

       dirname string

DESCRIPTION

       The  basename  utility deletes any prefix ending in / and the suffix (if present in string) from string, and prints the result on the stan-
       dard output. It is normally used inside substitution marks (``) within shell procedures.

   /usr/bin
       The suffix is a pattern defined on the expr(1) manual page.

   /usr/xpg4/bin
       The suffix is a string with no special significance attached to	any of the characters it contains.

       The dirname utility delivers all but the last level of the path name in string.

EXAMPLES

       Example 1 Setting environment variables

       The following example, invoked with the argument /home/sms/personal/mail sets the environment variable NAME to the file named mail and  the
       environment variable MYMAILPATH to the string  /home/sms/personal:

	 example% NAME=`basename $HOME/personal/mail`
	 example% MYMAILPATH=`dirname $HOME/personal/mail`

       Example 2 Compiling a file and moving the output

       This  shell  procedure,	invoked  with  the argument /usr/src/bin/cat.c, compiles the named file and moves the output to cat in the current
       directory:

	 example% cc $1
	 example% mv a.out `basename $1 .c`

ENVIRONMENT VARIABLES

       See environ(5) for descriptions of the following environment variables that affect  the execution of basename and  dirname:  LANG,  LC_ALL,
       LC_CTYPE, LC_MESSAGES, and NLSPATH.

EXIT STATUS

       The following exit values are returned:

       0     Successful completion.

       >0    An error occurred.

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

   /usr/bin
       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWcsu			   |
       +-----------------------------+-----------------------------+

   /usr/xpg4/bin
       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWxcu4			   |
       +-----------------------------+-----------------------------+
       |Interface Stability	     |Standard			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       expr(1), basename(3C), attributes(5), environ(5), standards(5)

SunOS 5.11							    18 Mar 1997 						       basename(1)
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