44 lines
1.3 KiB
Plaintext
44 lines
1.3 KiB
Plaintext
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#!/bin/csh
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if ( $#argv == 0 || x"$1" == "x-h" ) then
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cat - <<EOF
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Syntax: getlines [-h] [ -af | -bf | -bt | -jaf | -jbf | -bt ] string1 string2
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Copies selected lines of standard input to standard output.
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-h print this help.
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-af print all lines located *after* a line containing string1
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-bf print all lines located *before* a line containing string1
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-bt print all lines located between a line containing string1 and a line containing string2
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(If there are multiple blocks of lines braketed by [begin string]
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and [end string] they are all copied.)
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The prefix j means "just", indicating that the line(s) containing the matching string(s) is (are) ommited.
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Don't forget to quote your strings if they contain spaces.
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EOF
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exit
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endif
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set opt="$1"
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shift
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switch ("$opt")
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case "-af":
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awk -F\\n "/$1/,/imposiible to fffind/"
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breaksw
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case "-bf":
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awk -F\\n '{print $1} $1 ~ '\""$1"\"' {exit}'
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breaksw
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case "-bt":
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awk -F\\n "/$1/,/$2/"
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breaksw
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case "-jaf":
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awk -F\\n "/$1/,/imposiible to fffind/" | tail -n +2
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breaksw
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case "-jbf":
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awk -F\\n '$1 ~ '\""$1"\"' {exit} {print $1}'
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breaksw
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case "-jbt":
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awk -F\\n "/$1/,/$2/" | grep -v "$1" | grep -v "$2"
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breaksw
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default:
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echo Invalid option: use getlines -h for help
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breaksw
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endsw
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