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09-28-2009
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Awk replacement
Hi all, I need help in replacing awk with sed for the below. 1 ) Code:
cat list | awk -F" |," '/MATH/ {sub(/[[:alpha:]]*/,"",$3); print $3}'
Eg: file : list Sno Subno Name 1 SUB1 ENG 2 SUB2 MATH 2) Eg:result Total No of Students: 2 Sno ID Sub ------------------ 1 120 ENG 2 2 ENG 3 10 MATH Here I need no of students Code:
cat result | awk '/Total/ {print $5}'
the o/p would be : 2 other case , I need the IDs alone Code:
cat result| awk '{print $2}' | grep '[[:digit:]]' | tr '\n' ' '
The o/p would be : 120 2 10 For the above what can be the possible sed replacements ? Thanks, Priya. |
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09-28-2009
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09-29-2009
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one way.. Code:
-bash-3.2$ cat file Total No of Students: 2 -bash-3.2$ cut -d" " -f5 file 2 -bash-3.2$ -bash-3.2$ cat file2 Sno ID Sub ------------------ 1 120 ENG 2 2 ENG 3 10 MATH -bash-3.2$ grep [[:digit:]] file2 | cut -d" " -f2 120 2 10 -bash-3.2$ |
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