将文本多行变成一行

admin

将文本多行变成一行
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文本多行的，解决成一行：
[size=1em]# cat /tmp/name.txt
, n( L# b' p0 ~% i3 {; H[size=1em]ga_10122
* _* v  e4 C; j' x6 [[size=1em]ga_10589
[size=1em]ga_11053
4 q9 z" X5 Q2 k. x# p' z& s/ y[size=1em]ga_11238
[size=1em]ga_11559
/ v9 ?. m( X. E3 V2 Z" }[size=1em]ga_11944
% z0 [+ J4 }  |' \[size=1em]ga_12193
" c4 [; j; Q+ a0 @0 X! R! Y[size=1em]ga_13542
4 d. T4 F- C# b  c8 H[size=1em]ga_35179
[size=1em]ga_36013
[size=1em]ga_36063
6 }1 c4 s+ B' ?1 j  v2 r  w9 l# E. u[size=1em]ga_36575
8 P  F- J) K! c; _[size=1em]ga_36737
! o8 }1 M! D5 a8 g[size=1em]ga_36926
[size=1em]ga_37962
[size=1em]ga_39596
[size=1em]ga_39599
[size=1em]ga_39603
" u' l* C( G7 u- e, ~( |3 d[size=1em]ga_39604
[size=1em]ga_39605
' Q$ k  R3 k. \[size=1em]ga_39608
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! a+ B+ [% `+ d解决有三种
采用awk
( r4 L. @+ F2 p7 H6 C, ?awk BEGIN{RS=EOF}'{gsub(/\n/," ");print }' name.txt
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# U/ M4 o% S: [# Y$ ^5 f  Pga_10122 ga_10589 ga_11053 ga_11238 ga_11559 ga_11944 ga_12193 ga_13542 ga_35179 ga_36013 ga_36063 ga_36575 ga_36737 ga_36926 ga_37962 ga_39596 ga_39599 ga_39603 ga_39604 ga_39605 ga_39608

采用sed
# _4 j9 u. N7 Lsed ':a ; N;s/\n/ / ; t a ; ' name.txt
4 X  {/ x7 K1 R7 c, _4 Oga_10122 ga_10589 ga_11053 ga_11238 ga_11559 ga_11944 ga_12193 ga_13542 ga_35179 ga_36013 ga_36063 ga_36575 ga_36737 ga_36926 ga_37962 ga_39596 ga_39599 ga_39603 ga_39604 ga_39605 ga_39608



采用xargs
: p+ P: A6 n1 n  K8 mcat name.txt |xargs
! H: g4 G$ G( G' m$ D9 r' qga_10122 ga_10589 ga_11053 ga_11238 ga_11559 ga_11944 ga_12193 ga_13542 ga_35179 ga_36013 ga_36063 ga_36575 ga_36737 ga_36926 ga_37962 ga_39596 ga_39599 ga_39603 ga_39604 ga_39605 ga_39608

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admin

awk BEGIN{RS=EOF}'{gsub(/\n/,"");print}' user.txt 这种方式查看的不会产生空格。xargs会产生空格。