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How can i delete a keyword starting with x in unix

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# 1  
Old 07-23-2009
How can i delete a keyword starting with x in unix
I am trying to delete key word starting with x in a unix text file.
example, I am trying to delete the words like xaa,xabxbb,xbd and so on....

my input file is some thing like this
Code:
xaaa w 1234 5678
rwsd ravi xw123
xbc3 ohrd

want to delete words xaaa,xw123 and xbc3 from the above file...Please help
# 2  
Old 07-23-2009
try ..
Code:
awk 'gsub("x*","")' file

# 3  
Old 07-23-2009
It's not working Ryan...giving syntax error :-(
# 4  
Old 07-23-2009
Code:
sed 's/\(.*\)\(x[a-z]*[0-9]*\)\(.*\)/\1\3/'  file_name.txt

# 5  
Old 07-23-2009
Panyam, Its working gud..but i need to delete that line untill i find some space.for example i have input
Code:
xaa=grpsor29bb4:shelf=1:slot=1:pport=1:channel=1-4-4 aaaa

the output should be just aaaaPlease let me know how should i change the command that you have provided.
# 6  
Old 07-23-2009
Quote:
Originally Posted by rdhanek
It's not working Ryan...giving syntax error :-(
i'm not sure i'm using ubuntu.
Code:
ryandegreat25@ryandegreat25-desktop:~$ cat scrt
#!/bin/sh
awk 'gsub("x*","")' test 
ryandegreat25@ryandegreat25-desktop:~$ ./scrt
aaa w 1234 5678
rwsd ravi w123
bc3 ohrd
ryandegreat25@ryandegreat25-desktop:~$

try
Code:
awk 'gsub{"x*",""}' test



---------- Post updated at 09:57 PM ---------- Previous update was at 09:54 PM ----------
Quote:
Originally Posted by rdhanek
Panyam, Its working gud..but i need to delete that line untill i find some space.for example i have input
Code:
xaa=grpsor29bb4:shelf=1:slot=1:pport=1:channel=1-4-4 aaaa

the output should be just aaaaPlease let me know how should i change the command that you have provided.
well i'm not sure but maybe
Code:
awk '{print $NF}' file

# 7  
Old 07-23-2009
A small change will do the work :

Code:
sed 's/\(.*\)\(x[^ ]*\)\(.*\)/\1\3/'
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