10-15-2013
hi,
i tried this command it is giving below error:
ls -ld GTDA_Dly_Sls_SS_136_20130917.20130917205418.psv
/bin/ls: cannot access GTDA_Dly_Sls_SS_136_20130917.20130917205418.psv: No such file or directory
but my path contains .xls file which contains many files in it..
/dm/RMDW_LandingZone/dev/work_area/ABaC_reregister> more file_GTDA.xls
GTDA_Dly_Pmix_AT_136_20130917.20130917205418.psv
GTDA_Dly_Pmix_AT_136_20130917.20130917205619.psv
GTDA_Dly_Pmix_AT_66_20130917.20130917205619.psv
GTDA_Dly_Pmix_CA_12_20130917.20130917205619.psv
GTDA_Dly_Sls_SS_136_20130917.20130917205418.psv
---------- Post updated at 02:45 PM ---------- Previous update was at 02:32 PM ----------
hi,
the problem is the files which i am passing to temp folder after below command ...
var1=`cat file_GTDA.xls|grep 'GTDA_Dly_Sls_'`
var4="|"
for i in $var1
do
var3=`cut -d "$var4" -f18,19 $i|sort -u`
var2=$var4""$var3
sed -n 's/'"$var2"'//p' $i> ./temp/$i
# sed -e 's/'"$var2"'//p' $i> ./temp/$i
done
excpected files are passed to temp but with 0 bytes./dm/RMDW_LandingZone/dev/work_area/ABaC_reregister/temp> ls -ltr
total 8
drwxrwxrwx 2 mc25730 dstage 4096 2013-10-15 02:59 renamed_files
-rw-rw-r-- 1 mc25730 dstage 0 2013-10-15 02:59 GTDA_Dly_Sls_SS_136_20130917.20130917205418.psv
-rw-rw-r-- 1 mc25730 dstage 0 2013-10-15 02:59 GTDA_Dly_Pmix_CA_12_20130917.20130917205619.psv
-rw-rw-r-- 1 mc25730 dstage 0 2013-10-15 02:59 GTDA_Dly_Pmix_AT_66_20130917.20130917205619.psv
-rw-rw-r-- 1 mc25730 dstage 0 2013-10-15 02:59 GTDA_Dly_Pmix_AT_136_20130917.20130917205619.psv
-rw-rw-r-- 1 mc25730 dstage 0 2013-10-15 02:59 GTDA_Dly_Pmix_AT_136_20130917.20130917205418.psv
i think problem is coming while i pass variable in cut and sed command ..
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LEARN ABOUT PHP
debug_zval_dump
DEBUG_ZVAL_DUMP(3) 1 DEBUG_ZVAL_DUMP(3)
debug_zval_dump - Dumps a string representation of an internal zend value to output
SYNOPSIS
void debug_zval_dump (mixed $variable, [mixed $...])
DESCRIPTION
Dumps a string representation of an internal zend value to output.
PARAMETERS
o $variable
- The variable being evaluated.
RETURN VALUES
No value is returned.
EXAMPLES
Example #1
debug_zval_dump(3) example
<?php
$var1 = 'Hello World';
$var2 = '';
$var2 =& $var1;
debug_zval_dump(&$var1);
?>
The above example will output:
&string(11) "Hello World" refcount(3)
Note
Beware the refcount
The refcount value returned by this function is non-obvious in certain circumstances. For example, a developer might expect the
above example to indicate a refcount of 2. The third reference is created when actually calling debug_zval_dump(3).
This behavior is further compounded when a variable is not passed to debug_zval_dump(3) by reference. To illustrate, consider a
slightly modified version of the above example:
Example #2
<?php
$var1 = 'Hello World';
$var2 = '';
$var2 =& $var1;
debug_zval_dump($var1); // not passed by reference, this time
?>
The above example will output:
string(11) "Hello World" refcount(1)
Why refcount(1)? Because a copy of $var1 is being made, when the function is called.
This function becomes even more confusing when a variable with a refcount of 1 is passed (by copy/value):
Example #3
<?php
$var1 = 'Hello World';
debug_zval_dump($var1);
?>
The above example will output:
string(11) "Hello World" refcount(2)
A refcount of 2, here, is extremely non-obvious. Especially considering the above examples. So what's happening?
When a variable has a single reference (as did $var1 before it was used as an argument to debug_zval_dump(3)), PHP's engine opti-
mizes the manner in which it is passed to a function. Internally, PHP treats $var1 like a reference (in that the refcount is
increased for the scope of this function), with the caveat that if the passed reference happens to be written to, a copy is made,
but only at the moment of writing. This is known as "copy on write."
So, if debug_zval_dump(3) happened to write to its sole parameter (and it doesn't), then a copy would be made. Until then, the
parameter remains a reference, causing the refcount to be incremented to 2 for the scope of the function call.
SEE ALSO
var_dump(3), debug_backtrace(3), References Explained, References Explained (by Derick Rethans).
PHP Documentation Group DEBUG_ZVAL_DUMP(3)