用法及参数:
-f, --format=格式 使用printf 样式的浮点格式,默认是g%
-s, --separator=字符串 使用指定字符串分隔数字(默认使用:\n)
-w, --equal-width 在列前添加0 使得宽度相同
-f,指定打印格式
seq默认的格式输出是g%,如果省略了首数,则默认从1开始
[root@Director test]# seq
指定整型宽度
[root@Director test]# seq -f %03g
指定浮点数
[root@Director test]# seq -f %0.3f
1.000
2.000
3.000
-w,使输出数字同宽
[root@Director test]# seq -w ...
[root@Director test]# seq -w 02
03
...
[root@Director test]# seq -w 002
003
.....
-s ,指定分隔符,默认是换行
[root@Director test]# seq -s " " [root@Director test]# seq -s ,
,,,,,
[root@Director test]# seq -s \|
|||||5
[root@Director ~]# seq -s "+" 10|bc
55
seq的逆序输出
aaarticlea/png;base64,iVBORw0KGgoAAAANSUhEUgAAATwAAAAzCAIAAACFRiMwAAAEQUlEQVR4nO2dzXGDMBBG6SEduAJmuGVogAK4cXYdlOAe6MEdUAVn6nAOAqM/A1qEDc57wyGDWLEQfVohkDdJAAAA4F9zuZfl47nll0/7A/Dvuebloyy71Fs4KFaV2kde8oeu52HLr1ZRkf4ayi9uP8o+7RzzF27swCXvivx9p4OvxW7r72BGtL9pYUbXtCuKznFM1XC3YrC6Fi0ym4cpxY4CHi88kop+bsVMR2COHVzP/x1V0/dtnVRN3/dN9T5bZa1o6yzUeIGsbsW1htgObTe/mrsH8ZTlo8xv09+mnOYa4otSf6h89hdD079fzBpiiPY3Lbqi0OXk7tnM4L9Vp3LjUZZdUTi3cZmpmfV92zZWQ9VLnTac1a1e2jTeo0TMe7XCuK2zrG6lmpXZJlndxtfq5Je0Kwi0fSFaVXZ/IZtR0vawUzXW+dJkTi2q0Re3n8Hkftkt0u7ComiDh8dZ3WpN02qpdsMd2rO/VOk3imDnvVqmavq2Vi4F+7PFdupp4twGX/XSPiHEdo1o7bCg9lutX+3MrwulSbJGtOlTfuGidTbtMDv+r5WQUbO6tGe34vrvqVYbuYQNyLOZxll54tu0r2qcRhDa0LU4bdrNebXM4GNWt239TlutDklIfHk3jIqPIVq3yCskLUjOlSZJQKTNrzGfab3nWjNS1fVpyN65hJeiVe5tHx7r/1dz7KsfMpQ6zdqncimvvDoHW+S1T617i3a/SDvJTA9NrvDCRWv0GiP+HmEDi6LNu2Lmhi9jTFfMazBCpBV5dQ528fjIoo3wTKura3zky6+e2WM/UtHql7M+0q7HK9rxJVahRdq1PUXVWGMxU4q+4n4MsPs90y54dXz26WWyuhWLNsjWL1r7FUXA/PCqUuMFiakc4z3tC2+tTVP7JAnjErrUOWP44+UK/JHWGjWEhFljEOp9nLKOcJ89zdnj6DPHe07sxGbv1z3SykNt5yLtp7C7jPN8kLBiePzJa4n5TAufw4hdh5LuuZj/uOIgIFqA02AOkxEuAAAAAAAAAAAAAMAXsvU7EdnKxi3LpKYXGLK3Fyf8VhZgYuuy4Ez2Teu0xCrUdvrOtWokHc2WxcoAB2DjsuCq6dumEUXa5+k3LcwUme+zMAvgnQiXBatwKRweb/8ZAalmES18B+ENefySVSraZLSV/66OUHmIFr6D0MkZZ32WULeSSSGldfG4GtHCN7BhQlWw9ncyEZzXnH+qGpnkES2clBjLgiUakJ/XCfCBP/C1ZbEyAAAAAAAAAAAAAMDnecxuAHA4EC2cBTLBDyBaOApkgl8JogUfZII/cCZ4RAs+yAR/4EzwiBZ8kAk+JpEzwSNa8EEm+DV8KBM8ogUfZII/cCZ4RAs+yAR/4EzwiBZ8kAn+wJngES34IBN8TCJngke04INM8DGJnAke0YIPMsHHYZdM8IgW4GQgWoCTgWgBAM7IH9+LEoHhRyI0AAAAAElFTkSuQmCC" alt="" />