12-03-2007
formatting a file using shell script
Hi
I have to do the following.I have to format a file test.t
The contents are
# Header 1231
xyz
asdf
asdapsdcsd
//string1 = "pqrs"
//string1 = "abcd"; //info
//string1 = "*pqrs"; //add
string1 = "#123"; //sub
//string1 = "#1234567890"
data = check(string1)
//string1 = "#1234567890"
//string2 = "pqrs"
//string2 = "abcd"; //info
//string2 = "*pqrs"; //add
string2 = "#123"; //sub
print "abcd ";
return xy
I want to modify this as
# Header 1231
xyz
asdf
asdapsdcsd
string1 = "#987";
data = check(string1)
string2 = "#21 43 65 87 59";
print "abcd ";
return xy
The requirement is I have to remove all the lines starting with string1 or //string1 or string2 or //string2 and add two new lines
string1 = "#987"; //mult and string2 = "#21 43 65 87 59"; //sub
in its place. How do i do that using a shell script?
"#987 is a default string , but 21 43 65 87 59 is input to the file as
1234567895,ie, if the script is test.sh, i would call that as
./test.sh 1234567895. and i should get this output.
Please help..
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TR(1) General Commands Manual TR(1)
NAME
tr - translate characters
SYNOPSIS
tr [ -cds ] [ string1 [ string2 ] ]
DESCRIPTION
Tr copies the standard input to the standard output with substitution or deletion of selected characters. Input characters found in
string1 are mapped into the corresponding characters of string2. When string2 is short it is padded to the length of string1 by duplicat-
ing its last character. Any combination of the options -cds may be used: -c complements the set of characters in string1 with respect to
the universe of characters whose ASCII codes are 01 through 0377 octal; -d deletes all input characters in string1; -s squeezes all strings
of repeated output characters that are in string2 to single characters.
In either string the notation a-b means a range of characters from a to b in increasing ASCII order. The character `' followed by 1, 2 or
3 octal digits stands for the character whose ASCII code is given by those digits. A `' followed by any other character stands for that
character.
The following example creates a list of all the words in `file1' one per line in `file2', where a word is taken to be a maximal string of
alphabetics. The second string is quoted to protect `' from the Shell. 012 is the ASCII code for newline.
tr -cs A-Za-z '