Hello, ./my_script.sh works without brackets. I want to modify ./my_script.sh when in the server.log the date and hour are between brackets like that [24/01/2013 09:10] I tried in vain certains modifications. Can you help me ? Thank you for your help. Code: [COLOR="Sienna"]cat server.log[/COLOR] Code: error jonas aaaaaaaaaaaaaa bbbbbbbbbbbbb cccccccccccc [COLOR="Green"]24/01/2013 09:10[/COLOR] sssssssss sssssssssssssss cccccccccccccc nnnnnnnnnnnnn 24/01/2013 10:10 uuuuuuuuu uuuuuuuuuuuuuuu jjjjjjjjjjjjjj ttttttttttttttt mmmmmmmmmmmmm 24/01/2013 10:30 oooooooooo oooooooooooo sssssssssssss qqqqqqqqqqq 24/01/2013 10:45 vvvvvvvvv vvvvvvvvv sssssssss wwwwwwwwww my_script.sh Code: file=$1 if [ -f $file.gz ] then command="gunzip -c" else command=cat fi $command $file | awk -F"[/ ]" -v S="24/01/2013 10:10" -v E="24/01/2013 10:30" ' function dcmp(b) { if($3>b[3])return 1; if($3<b[3])return -1; if($2>b[2])return 1; if($2<b[2])return -1; if($1>b[1])return 1; if($1<b[1])return -1; if($4>b[4])return 1; if($4<b[4])return -1; return 0; } BEGIN{split(S, ds, "[/ ]"); split(E, de, "[/ ]") } /^[0-9][0-9]\/[0-1][0-9]\/[0-9][0-9][0-9][0-9] / { if(s&&dcmp(de)>=0) {print; exit} if(!s&&dcmp(ds)<=0) {f=x;w=1} if(!s&&dcmp(ds)>=0) {printf "%s",f; f=x; s=1 } } !w&&!s {f=f $0 "\n"} s'