1. Shell Programming and Scripting

Hello would appreciate if somebody can post a bash script that checks if the first character of the given string is equal to, say, "a" thnx in advance (2 Replies)

2. Shell Programming and Scripting

can anyone tell me why this doesn't work? I've been trying to play with character classes and I seem to be missing something here..! echo "./comparecdna.summary" | awk '/^compare+]summary$/' # returns nothing echo "./compare_cdna.summary" | awk '/^compare_+]summary$/' # returns nothing echo... (5 Replies)

3. Shell Programming and Scripting

Hi! If I want to extract a character from a specific position of a string, I can use ${string:1:1} (if I want character at the position 1). How can I do the same thing, when the number of position is contained in the variable? ${string:$var:1}doesn't work, unfortunately. Thanks in advance. (2 Replies)

4. Shell Programming and Scripting

In bash, how can one remove the last character of a string? In perl, the chop function would remove the last character. However, I do not know how to do the same job in bash. Many thanks in advance. (12 Replies)

5. Shell Programming and Scripting

Hi I need a bash script that can search through a text file and when it finds 'FSS1206' I need to put a Letter F 100 spaces after the second instance of FSS1206 The format is the same throughout the file I need to repeat this on every time it finds the second 'FSS1206' in the file I have... (0 Replies)

6. Shell Programming and Scripting

Hi, I want to check out a word in the text file and generate a clear report for me to see... The text file content: Content: ............ 20120608: 20120608: ............ 20120608: .......... 2012031201: , hime] End of the file My expected output is: Full TXT: manatsu TXT:... (3 Replies)

7. Shell Programming and Scripting

I am writing a bash script that will find all references to the “Well_List” in the “Comp_File”. I am filtering a Well_List that contains the following: TEST_WELL_01 TEST_WELL_02 TEST_WELL_11 TEST_WELL_22 GOV_WELL_1 GOV_WELL_201 PUB_WELL_57 PUB_WELL_82 . . Comparison... (5 Replies)

8. Shell Programming and Scripting

Hello. I have a string variable named L_TEMP to test a very simple filter. L_TEMP="50AwL.|KWp9jk" I want to insert a non printable character between K and W. I have try this : linux-g65k:~ # a='50AwL.|K' linux-g65k:~ # b='Wp9jk' linux-g65k:~ # L_TEMP="$a$'\x07'$b" linux-g65k:~ # echo... (6 Replies)

9. UNIX for Beginners Questions & Answers

Hi, I am new in bash scripting. In my work, I provide support to several users and when I connect to their computers I use the same admin and password, so I am trying to create a script that will only ask me for the IP address and then connect to the computer without having me to type the user... (5 Replies)

10. Shell Programming and Scripting

Anybody have an explanation for why \s doesn't match ' ' in a character class? Here are 3 examples with the final example showing that \s in a character class (demonstrated by using egrep -o) fails: \s works outside of class.. # echo " FOO " | egrep -o '\s+\s' FOO Here is a... (6 Replies)