Regex SED-当特定字符串不存在时,在特定模式后插入保存的值';文件中不存在
我有与此类似的文件:Regex SED-当特定字符串不存在时,在特定模式后插入保存的值';文件中不存在,regex,linux,bash,sed,Regex,Linux,Bash,Sed,我有与此类似的文件: LET: DimX (2660.0) LET: DimZ (1050.0) LET: DimS (0.8) LET: DREHEN (20) DIM: X DimX Z DimZ+0.5 S DimS REF: X1 FOD-23.24 X2 FOD-23.24 Z1 FOD-24.86 Z2 FOD-24.86 POS: CENT_FUNC 1 QSU 10 QSD 10
LET: DimX (2660.0)
LET: DimZ (1050.0)
LET: DimS (0.8)
LET: DREHEN (20)
DIM: X DimX
Z DimZ+0.5
S DimS
REF: X1 FOD-23.24
X2 FOD-23.24
Z1 FOD-24.86
Z2 FOD-24.86
POS: CENT_FUNC 1
QSU 10 QSD 10
TURN_AROUND
LET: DimX (2660.0)
LET: DimZ (1050.0)
LET: DimS (0.8)
LET: DREHEN (20)
DIM: X DimX
Z DimZ+0.5
S DimS
MAT: '0.8 correction'
REF: X1 FOD-23.24
X2 FOD-23.24
Z1 FOD-24.86
Z2 FOD-24.86
POS: CENT_FUNC 1
QSU 10 QSD 10
TURN_AROUND
像这样-注意第二张图中的不锈钢:
LET: DimX (2660.0)
LET: DimZ (1050.0)
LET: DimS (0.7)
LET: DREHEN (20)
DIM: X DimX
Z DimZ+0.5
S DimS
STAINLESS
REF: X1 FOD-23.24
X2 FOD-23.24
Z1 FOD-24.86
Z2 FOD-24.86
POS: CENT_FUNC 1
QSU 10 QSD 10
TURN_AROUND
我想将值保存在匹配行的括号中
LET:DimS(XX)
并插入新行
MAT:“XX更正”-其中XX是保存值。
在黑暗之后
- 但仅当整个文件不包含字符串时
LET: DimX (2660.0)
LET: DimZ (1050.0)
LET: DimS (0.8)
LET: DREHEN (20)
DIM: X DimX
Z DimZ+0.5
S DimS
REF: X1 FOD-23.24
X2 FOD-23.24
Z1 FOD-24.86
Z2 FOD-24.86
POS: CENT_FUNC 1
QSU 10 QSD 10
TURN_AROUND
LET: DimX (2660.0)
LET: DimZ (1050.0)
LET: DimS (0.8)
LET: DREHEN (20)
DIM: X DimX
Z DimZ+0.5
S DimS
MAT: '0.8 correction'
REF: X1 FOD-23.24
X2 FOD-23.24
Z1 FOD-24.86
Z2 FOD-24.86
POS: CENT_FUNC 1
QSU 10 QSD 10
TURN_AROUND
第二例的结果应保持原样,因为它含有不锈钢:
LET: DimX (2660.0)
LET: DimZ (1050.0)
LET: DimS (0.7)
LET: DREHEN (20)
DIM: X DimX
Z DimZ+0.5
S DimS
STAINLESS
REF: X1 FOD-23.24
X2 FOD-23.24
Z1 FOD-24.86
Z2 FOD-24.86
POS: CENT_FUNC 1
QSU 10 QSD 10
TURN_AROUND
我尝试过在S DimS图案后添加线条:
sed -i -E '/S DimS/I a \\t MAT: "'"0.8 correction"'"'
但这给了我:
LET: DimX (2660.0)
LET: DimZ (1050.0)
LET: DimS (0.8)
LET: DREHEN (20)
DIM: X DimX
Z DimZ+0.5
S DimS
MAT: "0.8 correction"
REF: X1 FOD-23.24
X2 FOD-23.24
Z1 FOD-24.86
Z2 FOD-24.86
POS: CENT_FUNC 1
QSU 10 QSD 10
TURN_AROUND
以及:
而且显然不会保存括号中的值
有人能帮我吗
谢谢。如果您愿意接受awk解决方案,这通常比sed更容易,因为除了简单的字符串操作,还需要执行逻辑
# Capture the correction amount
/LET: DimS/ { correction = $3; gsub(/[()]/, "", correction) }
# Get ready to print
$1 == "DIM:" { f = 1 }
# Abort print!!
$1 == "STAINLESS" { f = 0 }
# Now is the time to print the extra line if the flag is still set
NF == 0 && f { printf " MAT: '%s correction'\n", correction; f = 0 }
# Output the original lines of the file
{ print }
测试第一个示例:
$ awk -f a.awk file
LET: DimX (2660.0)
LET: DimZ (1050.0)
LET: DimS (0.8)
LET: DREHEN (20)
DIM: X DimX
Z DimZ+0.5
S DimS
MAT: '0.8 correction'
REF: X1 FOD-23.24
X2 FOD-23.24
Z1 FOD-24.86
Z2 FOD-24.86
POS: CENT_FUNC 1
QSU 10 QSD 10
TURN_AROUND
尝试第二个“不锈钢”示例,您将看到没有打印额外的行。这可能适合您(GNU-sed):
将整个文件收集到内存中,测试它是否包含单词不锈钢
。如果是这样的话,就不要这样做:使用模式匹配插入所需的文本