05-08-2014
Shell scripting sed Variable substituion problem
Hi All ,
I am setting variables as shown below
PHP Code:
setenv MODULE1 modem_1_3
setenv MODULE2 modem5_1_2
setenv MODULE3 modem5_1
setenv MODULE4 modem5_2_top_a
setenv COUNT 4
I am having another bash script as shown below
########################################################
HTML Code:
#!/bin/bash
for (( c=1; c<=${COUNT}; c++ ))
do
sed -n '/module '${MODULE}'${c} /,/endmodule/p' prescan.v > temp${c}.v
sed -i '0,/o_func_clk /s/o_func_clk/o_func_clk, DFT_ClkEnScanIn1 ,scan_clock_en , DFT_ClkgenScanEnable /' temp${c}.v
#sed -i '0,/i_UDR_DFT_free_running;/i_UDR_DFT_free_running;/i_UDR_DFT_free_running , DFT_ClkEnScanIn1 , DFT_ClkgenScanEnable ;/' temp${c}.v
sed -i 's/i_UDR_DFT_free_running;/i_UDR_DFT_free_running , DFT_ClkEnScanIn1 , DFT_ClkgenScanEnable ;/' temp${c}.v
sed -i '/\[0\:0\] i_func_clk_en/a output scan_clock_en ;' temp${c}.v
sed -i '/scan_clock_en_reg/,+1d' temp${c}.v
sed -i '/endmodule/i M8E35B_SDFF2X1 scan_clock_en_reg (.q ( scan_clock_en ) , .d (pre_scan_clock_en ) , .te ( DFT_ClkgenScanEnable ) , .ti ( DFT_ClkEnScanIn1 ) , .phi ( i_scan_clk ));' temp${c}.v
done
################################################################
This script should go in loop and create different files temp1.v temp2.v temp3.v and temp4.v
My problem is in the first line
sed -n '/module '${MODULE}'${c} /,/endmodule/p' prescan.v > temp${c}.v
variable substition is not happening and temp is not getting created
I tried with double quotes but then also its not working ...
Incrementing the $c in the loop and $Module1 or $Module2 like that should be read as defined in environment variable and substitution should happen but I am getting empty temp files
Please let me know how to tackle this issue ?
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TMPFILE(3) 1 TMPFILE(3)
tmpfile - Creates a temporary file
SYNOPSIS
resource tmpfile (void )
DESCRIPTION
Creates a temporary file with a unique name in read-write (w+) mode and returns a file handle .
The file is automatically removed when closed (for example, by calling fclose(3), or when there are no remaining references to the file
handle returned by tmpfile(3)), or when the script ends.
For details, consult your system documentation on the tmpfile(3) function, as well as the stdio.h header file.
RETURN VALUES
Returns a file handle, similar to the one returned by fopen(3), for the new file or FALSE on failure.
EXAMPLES
Example #1
tmpfile(3) example
<?php
$temp = tmpfile();
fwrite($temp, "writing to tempfile");
fseek($temp, 0);
echo fread($temp, 1024);
fclose($temp); // this removes the file
?>
The above example will output:
writing to tempfile
SEE ALSO
tempnam(3), sys_get_temp_dir(3).
PHP Documentation Group TMPFILE(3)