将文本多行变成一行

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将文本多行变成一行

2 l% ^9 s0 C; m% Q8 c文本多行的，解决成一行：
( j) n# I, f/ d; ~' K& p, h[size=1em]# cat /tmp/name.txt
' W, K' l. a1 n; T0 u6 f[size=1em]ga_10122
, b$ L% E: M+ n9 @0 K& F[size=1em]ga_10589
[size=1em]ga_11053
7 m" e! y0 Y) w/ n% H' ^  k- c[size=1em]ga_11238
[size=1em]ga_11559
[size=1em]ga_11944
[size=1em]ga_12193
. z- \% b( Q, y7 F; G[size=1em]ga_13542
3 W7 d0 f4 O  m1 D3 ?& ~" s& @[size=1em]ga_35179
[size=1em]ga_36013
[size=1em]ga_36063
[size=1em]ga_36575
[size=1em]ga_36737
$ g: B# Q9 j' @, L- e[size=1em]ga_36926
2 [/ [3 G4 s  ~7 c[size=1em]ga_37962
7 d* R* b5 p: x& Q[size=1em]ga_39596
0 I8 Y1 |8 K* I0 f& C9 x[size=1em]ga_39599
[size=1em]ga_39603
[size=1em]ga_39604
[size=1em]ga_39605
[size=1em]ga_39608
/ Q" E' O3 {6 {2 p8 f) D* I9 I- e
解决有三种
6 p& j, E. _/ Q) K4 y采用awk
3 s/ |; v" P# O$ \' x! dawk BEGIN{RS=EOF}'{gsub(/\n/," ");print }' name.txt
' K$ k* q% \9 \9 N

  K; a" V# F0 g) p5 e( ega_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

( P* g& r& j; O$ P采用sed
1 W2 P' R- s$ E, J5 |+ Y' ysed ':a ; N;s/\n/ / ; t a ; ' name.txt
4 H/ r1 N6 z1 S* u/ vga_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

/ y4 `7 D2 n# w1 r, e4 t2 ^

" q, w; ]+ S2 ~3 j- F采用xargs
% t! o5 K, [$ ~cat name.txt |xargs
ga_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

" n8 B/ V2 h: ^" K3 j: v$ c

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。