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Full Discussion: Remove a block of Text at regular intervals
Top Forums Shell Programming and Scripting Remove a block of Text at regular intervals Post 302468363 by ctsgnb on Tuesday 2nd of November 2010 01:25:55 PM
Old 11-02-2010
By setting "Frame" as record separator , i must get rid off the leading line "^14$", i must adjust the offset of record, this is why the NR-1 instead of NR

Code:
awk -F"\n" 'BEGIN {RS="Frame" ;ORS="Frame";printf "%s","Frame"} ; ((NR-1)%2!=0)&&((NR-1)%3!=0)' infile

or
Code:
awk -F"\n" -vRS="Frame" -vORS="Frame" 'BEGIN{printf "%s",RS};((NR-1)%2!=0)&&((NR-1)%3!=0)' infile

Code:
# cat infile
14
Frame 1
Ir 0.4482 -1.2980 -0.2902
H -0.8380 -0.5636 2.1141
...
H -1.0869 -0.4380 2.8141
14
Frame 2
Ir 0.4490 -1.2978 -0.2903
P 1.8738 -2.1613 1.4076
...
H -1.2309 -0.4996 2.7795
14
Frame 3
Ir 0.2799 -1.1423 -0.0744
P 1.5830 -2.0634 1.6851
P -1.4956 -0.6824 -1.5757
H -2.5240 0.2145 -1.1716
14
Frame 4
Ir 0.2799 -1.1423 -0.0744
P 1.5830 -2.0634 1.6851
P -1.4956 -0.6824 -1.5757
H -2.5240 0.2145 -1.1716
14
Frame 5
Ir 0.2799 -1.1423 -0.0744
P 1.5830 -2.0634 1.6851
P -1.4956 -0.6824 -1.5757
H -2.5240 0.2145 -1.1716
14
Frame 6
Ir 0.2799 -1.1423 -0.0744
P 1.5830 -2.0634 1.6851
P -1.4956 -0.6824 -1.5757
H -2.5240 0.2145 -1.1716
14
Frame 7
Ir 0.2799 -1.1423 -0.0744
P 1.5830 -2.0634 1.6851
14
Frame 8
Ir 0.2799 -1.1423 -0.0744
P 1.5830 -2.0634 1.6851
14
Frame 9
Ir 0.2799 -1.1423 -0.0744
P 1.5830 -2.0634 1.6851
14
Frame 10
Ir 0.2799 -1.1423 -0.0744
P 1.5830 -2.0634 1.6851
14
Frame 11
Ir 0.2799 -1.1423 -0.0744
P 1.5830 -2.0634 1.6851
.
.
.
14
Frame 72
Ir 0.2799 -1.1423 -0.0744
P 1.5830 -2.0634 1.6851
P -1.4956 -0.6824 -1.5757
H -2.5240 0.2145 -1.1716
H -2.2321 -1.8577 -1.8841
H -1.2106 -0.1808 -2.8791
H 2.8807 -2.5381 1.3446
H 0.9971 -3.2308 2.2364
H 1.8734 -1.3013 2.8541
C 1.7346 -0.5673 -1.1992
O 2.6174 -0.1436 -1.8621
Cl 0.2051 -3.5805 -0.9057
H 0.1695 0.2982 0.6158
H -0.9713 -1.5095 0.9427
# awk -F"\n" -vRS="Frame" -vORS="Frame" 'BEGIN{printf "%s",RS};((NR-1)%2!=0)&&((NR-1)%3!=0)' infile
Frame 1
Ir 0.4482 -1.2980 -0.2902
H -0.8380 -0.5636 2.1141
...
H -1.0869 -0.4380 2.8141
14
Frame 5
Ir 0.2799 -1.1423 -0.0744
P 1.5830 -2.0634 1.6851
P -1.4956 -0.6824 -1.5757
H -2.5240 0.2145 -1.1716
14
Frame 7
Ir 0.2799 -1.1423 -0.0744
P 1.5830 -2.0634 1.6851
14
Frame 11
Ir 0.2799 -1.1423 -0.0744
P 1.5830 -2.0634 1.6851
.
.
.
14
#

Last edited by ctsgnb; 11-02-2010 at 02:43 PM..
This User Gave Thanks to ctsgnb For This Post:
marcozd
 

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