1. Shell Programming and Scripting

Hi guys, How do I compare two variables using diff? The way I'm thinking: #!/bin/sh a=cat asdf.x | wc -l b=cat asdf.y |cut -d',' -f5 |grep -v '^$' |wc -l diff $a $b How to rewrite the above sciprt using only one line in command prompt? (2 Replies)

2. Shell Programming and Scripting

Hi all- I've been fooling with this for a few days, but I'm rather new at this... I have a bash variable containing a long string of various characters, for instance: JUNK=this that the other xyz 1234 56 789 I don't know what "xyz" actually is, but I know that: START=he other and ... (2 Replies)

3. Shell Programming and Scripting

Hi, My first post to this group... I have a need to to parse a source file which is a capture from a network analyser. I have two fields that need to be checked: - Field 7 represents the packet length (an integer), and Field 4 represents a network address (e.g. 192.168.25.3) - The... (10 Replies)

4. Shell Programming and Scripting

Hi, I have two variables with some values with 5 decimal digits and separated with space, the values of the variables are different, I want to make operations with this two variables. The way was I find to do it it´s with files and paste file1 file2 | awk '{print $1 - $2}' I want to make it... (8 Replies)

5. Shell Programming and Scripting

Sometimes it is handy to protect long scripts in C++. The following syntax works fine for simple commands: #define SHELLSCRIPT1 "\ #/bin/bash \n\ echo \"hello\" \n\ " int main () { cout <<system(SHELLSCRIPT1); return 0; } Unfortunately for there are problems for: 1d arrays:... (10 Replies)

6. Shell Programming and Scripting

I'm relatively new to bash scripting and am trying to use awk inside a bash for loop but am having a problem with the variables. for i in $(seq 30 5 60) do # Define variables up and down in AWK eval $(awk 'BEGIN{ print "up=$((i+1))"}' < /dev/null) eval $(awk 'BEGIN{ print... (2 Replies)

7. Shell Programming and Scripting

Trying to do so echo "111:222:333" |awk -F: '{system("export TESTO=" $2)}'But it doesn't work (2 Replies)

8. Shell Programming and Scripting

I have a file as follows: 0 1056 85540 414329 774485 1208487 1657519 2102753 2561259 3037737 3458144 3993019 4417959 4809964 5261890 5798778 6254146 I want to find all lines between a specified start and end tag. (6 Replies)

9. Shell Programming and Scripting

Hello experts! I have a file1 with the following format (yr,day, month, hour,minute): 201201132435 201202141210 201304132030 201410100110 ... What i want to do is to assign variables and then use them in the curl command to download the text of each event from a web page. What I have... (6 Replies)

10. Shell Programming and Scripting

I have created one file that contains all the necessary info in it to create a download link. In each of the lines /results/analysis/output/Home/Auto_user_S5-00580-6-Medexome_67_032/plugin_out/FileExporter_out.67... (8 Replies)