linux – 在一个文件中搜索另一个模式_系统运维

$awk '{a=substr(

#!/bin/awk -f{ # This is executed for every input line (both files)        a=substr(awk -f file.awk fileA fileB
,8) # put characters 4 through 11 to variable a        b=substr([+++],2) # put characters 12 and 13 to variable b}NR==FNR{  # This is executed only for the first file         c[a]=b  # store into map c index a,value b        next # Go to the next record (remaining commands ignored)}# The remaining is only executed for the second file (due to the next command)(a in c) && (c[a] != b) # if a is an index of the map c,and the value                        # we prevIoUsly stored is not the same as the current b value                        # then print the current line (this is the default acttion)

,4,8);b=substr([+++],12,2)}NR==FNR{c[a]=b;next}a in c&&c[a]!=b' fileA fileB948banjo...04

$awk '{a=substr(

#!/bin/awk -f{ # This is executed for every input line (both files)        a=substr(awk -f file.awk fileA fileB
,8) # put characters 4 through 11 to variable a        b=substr(,2) # put characters 12 and 13 to variable b}NR==FNR{  # This is executed only for the first file         c[a]=b  # store into map c index a,value b        next # Go to the next record (remaining commands ignored)}# The remaining is only executed for the second file (due to the next command)(a in c) && (c[a] != b) # if a is an index of the map c,and the value                        # we prevIoUsly stored is not the same as the current b value                        # then print the current line (this is the default acttion)

,4,8);b=substr([+++],12,2)}NR==FNR{c[a]=b;next}a in c&&c[a]!=b' fileA fileB948banjo...04

$awk '{a=substr(

#!/bin/awk -f{ # This is executed for every input line (both files)        a=substr(awk -f file.awk fileA fileB
,8) # put characters 4 through 11 to variable a        b=substr(,2) # put characters 12 and 13 to variable b}NR==FNR{  # This is executed only for the first file         c[a]=b  # store into map c index a,value b        next # Go to the next record (remaining commands ignored)}# The remaining is only executed for the second file (due to the next command)(a in c) && (c[a] != b) # if a is an index of the map c,and the value                        # we prevIoUsly stored is not the same as the current b value                        # then print the current line (this is the default acttion)

,4,8);b=substr(,12,2)}NR==FNR{c[a]=b;next}a in c&&c[a]!=b' fileA fileB948banjo...04

$awk '{a=substr(

#!/bin/awk -f{ # This is executed for every input line (both files)        a=substr(awk -f file.awk fileA fileB
,8) # put characters 4 through 11 to variable a        b=substr(,2) # put characters 12 and 13 to variable b}NR==FNR{  # This is executed only for the first file         c[a]=b  # store into map c index a,value b        next # Go to the next record (remaining commands ignored)}# The remaining is only executed for the second file (due to the next command)(a in c) && (c[a] != b) # if a is an index of the map c,and the value                        # we prevIoUsly stored is not the same as the current b value                        # then print the current line (this is the default acttion)

,4,8);b=substr(,12,2)}NR==FNR{c[a]=b;next}a in c&&c[a]!=b' fileA fileB948banjo...04

概述我正在为 linux shell中的这个问题寻找一个紧凑/优雅的解决方案(如果可能,请使用ksh). 给定2个文件,两个文件都包含具有常量结构的行,例如：档案A. 354guitar..06948banjo...05123ukulele.04 文件B. 354bass....04948banjo...04 我想在文件A上循环,并在文件B中搜索位置4-11中具有相同内容的行,但是在位置12- 我正在为 linux shell中的这个问题寻找一个紧凑/优雅的解决方案(如果可能,请使用ksh).

给定2个文件,两个文件都包含具有常量结构的行,例如：

档案A.

354guitar..06948banjo...05123ukulele.04

文件B.

354bass....04948banjo...04

我想在文件A上循环,并在文件B中搜索位置4-11中具有相同内容的行,但是在位置12-13中搜索不同的内容.

对于上面的情况,我希望文件B的第二行作为输出,具有“banjo …”匹配文件A和05的第二行！= 04.

我当时想用awk,但找不到自己的解决方案:(

谢谢！

解决方法用awk真的很简单：

$awk '{a=substr(#!/bin/awk -f{ # This is executed for every input line (both files)        a=substr(awk -f file.awk fileA fileB
,8) # put characters 4 through 11 to variable a        b=substr(,2) # put characters 12 and 13 to variable b}NR==FNR{  # This is executed only for the first file         c[a]=b  # store into map c index a,value b        next # Go to the next record (remaining commands ignored)}# The remaining is only executed for the second file (due to the next command)(a in c) && (c[a] != b) # if a is an index of the map c,and the value                        # we prevIoUsly stored is not the same as the current b value                        # then print the current line (this is the default acttion)
,4,8);b=substr(,12,2)}NR==FNR{c[a]=b;next}a in c&&c[a]!=b' fileA fileB948banjo...04

或者以更易读的格式,您可以在脚本名称file.awk中保存以下内容

并执行如下：

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